ADCP-61-498 Issue 2, April 1997
HDSL Remote Network Interface Installation and Operation Manual Content
Page
INTRODUCTION ........................................................................... 1 Revision History ....................................................................... 2 List of Changes ....................................................................... 2 Trademark Information .................................................................. 2 Related Publications ................................................................... 2 Admonishments ....................................................................... 2 Safety Information ..................................................................... 3 FCC Compliance Statement .............................................................. 3 Certification: UL Listed.................................................................. 3 1. INSTALL HDSL NID..................................................................... 4 A. B.
Unpack HDSL NID Unit ............................................................... 4 Mounting a HDSL NID Enclosure ...................................................... 4 Surface Mounting ................................................................... 4 Conduit Mounting .................................................................. 6
C. D.
Install New Cover with HDSL Module .................................................... 6 Telephone Company Wiring........................................................... 8 Earth Ground Wiring ............................................................... 10
E.
Subscriber/Customer Wiring ......................................................... 11 DS1 Wiring ....................................................................... 13 POTS Wiring...................................................................... 13
2. OPERATION ......................................................................... 15 A.
Front Panel Indicators and Controls ................................................... 15
B.
Network Loopback Functions ........................................................ 17
C.
Customer Loopback Functions ....................................................... 19
D.
Loopback Functions with the HDSL Repeater Unit ........................................ 19
3. SYSTEM INTEGRATION SERVICES ....................................................... 20 4. CUSTOMER SUPPORT SERVICES ........................................................ 20
INTRODUCTION The ADC Soneplex® HDSL Remote Network Interface Enclosure is an outdoor demarcation point between telephone company equipment/wiring and subscriber or customer equipment/ wiring. The enclosure is designed to support delivery of two POTS lines and one DS1 signal to the subscriber. The enclosure contains a test point that is used to determine if faults are in the subscriber or telephone wiring. The enclosure also contains protectors and the HDSL remote module. HDSL service may either be added to an existing SIECOR® CAC® 7600 Network Interface Demarcation (NID) or installed as a complete preassembled unit.
2-70000-1544
Page 1 © 1997, ADC Telecommunications, Inc.
ADCP-61-498 Issue 2, April 1997
Revision History ISSUE
DATE
REASON FOR CHANGE
1
3/96
Original
2
4/97
Add new label, cable tie down, and update format.
List of Changes PAGE
IDENTIFIER
All
DESCRIPTION OF CHANGE Format changes
Trademark Information Soneplex is a registered trademark of ADC Telecommunications, Inc. T-TERM is a registered trademark of ADC Telecommunications, Inc. SIECOR and CAC are registered trademarks of Siecor Corporation
Related Publications This manual is one of several manuals for the Soneplex System. Listed below are all of the related manuals and their publication numbers. Copies of these publications can be ordered by contacting the ADC Technical Assistance Center at 1-800-366-3891 (in U.S.A. or Canada) or 612-946-3000, extension 3223 (outside U.S.A. and Canada). Title
ADCP Number
T-Term Version B HLX220 HDSL Module User Manual B1 HLX 319 HDSL Operation and Maintenance Manual HDSL Repeater (HRX) Installation Instructions Soneplex Broadband System Operation and Maintenance Manual (Version 5) Soneplex Broadband System Operation and Maintenance Manual (Version 5) HLX Plus HDSL Operation and Maintenance Manual Soneplex Broadband System Operation and Maintenance Manual (Version 6)
ADCP-61-062 ADCP-61-063 ADCP-61-315 ADCP-61-467 ADCP-61-471 ADCP-61-480 ADCP-61-494
Admonishments Important safety admonishments are used throughout this manual to warn of possible hazards to persons or equipment. An admonishment identifies a possible hazard and then explains what may happen if the hazard is not avoided. The admonishments — in the form of Dangers, Warnings, and Cautions — must be followed at all times. These warnings are flagged by use of the triangular alert icon (seen below), and are listed in descending order of severity of injury or damage and likelihood of occurrence. Danger: Danger is used to indicate the presence of a hazard that will cause severe personal injury, death, or substantial property damage if the hazard is not avoided.
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ADCP-61-498 Issue 2, April 1997
Warning: Warning is used to indicate the presence of a hazard that can cause severe personal injury, death, or substantial property damage if the hazard is not avoided. Caution: Caution is used to indicate the presence of a hazard that will or can cause minor personal injury or property damage if the hazard is not avoided. Safety Information Danger: To avoid electric shock, be careful when working near HDSL Loop connections or Telecommunication circuits. A electrical potential of ± 130 volts (relative to Earth ground) exists on the HDSL Loop connections or Telecommunication circuits. Coming in contact with this high electrical potential will result in death or severe personal injury. To avoid electric shock be certain the HDSL loop is not powered at the CO. Warning: To prevent electrical shock, never install telephone equipment in a wet location or during a lightning storm. When installing or modifying telephone lines, disconnect lines on the network side before working with uninsulated lines or terminals. Caution: Electronic modules can be damaged by static electrical discharge. Before handling electronic modules, wear an anti-static discharge wrist strap to prevent damage to electronic components. Place electronic modules in anti-static packing material when transporting or storing. When working on electronic modules, always place them on an approved anti-static mat that is electrically grounded. FCC Compliance Statement Class B The HDSL NID complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions; (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Warning: This equipment generates, uses, and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual, may cause interference to radio communications. It has been tested and found to comply with limits for a Class B digital device pursuant to Subpart B of Part 15 of FCC Rules, which are designed to provide reasonable protection against such interference when operated in a residential environment. If interference to TV and radio reception does occur relocate or reorient the antenna of the affected radio or TV. This equipment does not exceed Class B limits for radio emission for digital apparatus, set out in the radio interference regulation of the authorization methods of Industry Canada. Certification: UL Listed The HDSL NID has been tested and found to comply with the requirements of UL 1459.
Page 3 © 1997, ADC Telecommunications, Inc.
ADCP-61-498 Issue 2, April 1997
1. INSTALL HDSL NID Caution: Electronic modules can be damaged by static electrical discharge. Before handling electronic modules, wear an anti-static discharge wrist strap to prevent damage to electronic components. Place electronic modules in anti-static packing material when transporting or storing. When working on electronic modules, always place them on an approved anti-static mat that is electrically grounded.
A. Unpack HDSL NID Unit At the Central Office (CO) verify that the CO equipment is not connected to the HDSL 1.01 NID unit (telephone company wiring). Danger: To avoid electric shock, be careful when working near HDSL Loop connections or Telecommunication circuits. A electrical potential of ± 130 volts (relative to Earth ground) exists on the HDSL Loop connections or Telecommunication circuits. Coming in contact with this high electrical potential will result in death or severe personal injury. To avoid electric shock be certain the HDSL loop is not powered at the CO. Open the shipping carton and carefully unpack the equipment from the protective 1.02 packing material. Check each component for broken or missing parts. If there are any damages, file a claim with the commercial carrier. Warning: To prevent electrical shock, never install telephone equipment in a wet location or during a lightning storm. When installing or modifying telephone lines, disconnect lines on the network side before working with uninsulated lines or terminals. 1.03
Are you installing a HDSL NID Enclosure? If YES, go to Step B, Mounting a HDSL NID Enclosure. If NO, and you are converting an existing CAC 7600 Enclosure to provide HDSL service go to Step C, Install New Cover with HDSL Module.
B. Mounting a HDSL NID Enclosure Choose a suitable location to mount the enclosure. Select a vertical surface near an 1.04 approved ground. The location should be away from gutter down spouts, permanent water sprinklers, or other water sources. Always allow easy access to the enclosure for testing by either the customer or telephone company. The enclosure can either be mounted directly on a flat vertical surface or secured to a vertical conduit. Surface Mounting Use a standard screwdriver to open the enclosure outside door. Open the inside protector 1.05 compartment door using a standard telephone company KS, 216B or Robertson tool.
Page 4 © 1997, ADC Telecommunications, Inc.
ADCP-61-498 Issue 2, April 1997
Make certain the enclosure sits flat on the mounting surface to prevent warping. Use 1.06 washers or other shims to square the enclosure on uneven surfaces. Use the knockouts provided in the back plate to secure the enclosure. There are four 1.07 knockouts located behind the top protector, four knockouts located below the bottom protector location, and one behind the bottom subscriber bridge. Use a screw driver to punch out the knockouts that you are going to use. Knockout locations and mounting ear locations are shown in Figure 1.
EXTERNAL MOUNTING EAR
8397-B
UNIVERSAL KNOCKOUT
EXTERNAL MOUNTING EAR
#6 SCREW
ENTRANCE GROMMETS
CABLE TIE MOUNT
Figure 1. Knockout Locations and Mounting Ears
Page 5 © 1997, ADC Telecommunications, Inc.
ADCP-61-498 Issue 2, April 1997
Conduit Mounting Enclosures can be secured to a vertical conduit with metal straps wrapped around the 1.08 mounting ears located on the top and bottom of the enclosure. Mount enclosure only in a vertical position to prevent water from entering. 1.09
Proceed to Step D.
C. Install New Cover with HDSL Module The enclosures outside door is secured with a snap lock and slotted screw. Customer 1.10 locks can be defeated using a standard telephone company KS, 216B or Robertson tool. The same tool is used to open the inside protector compartment door. 1.11
Open outside enclosure and inside protector compartment doors.
a)
Snap the old cover off the enclosure base.
b)
Snap the new cover, with the HDSL NID unit installed in it, on to the enclosure base.
c)
When adding a HDSL NID unit to an existing enclosure make certain that there are two empty adjoining protector blocks available. If there are not two adjoining spaces available, install new protector blocks and move the POTS connections and associated subscriber bridges to create two empty adjoining protector blocks.
d)
Install a new HDSL NID subscriber bridge in the proper position for the two protector blocks installed or selected in step above. Note: The top protector block installed in Step C above is used to make the DS1 connections, this is not the place to make subscriber/customer connections. The lower protector block is used to make the HDSL loop connections. Caution: Do not connect subscriber wiring to the DS1 protector block screws. All subscriber/customer connections must be made at the subscriber bridge located on the right side of the enclosure.
e)
Position tie mount in the back plate at approximately a 45° degree angle relative to the bottom of the back plate. See Figure 1. Secure tie mount to the back plate using the #6 (8-32 × ¼ inch) thread forming Philips head screw provided.
f)
Locate cable coming from the HDSL NID unit. Route cable around the inside cover and through the opening at the lower left corner of the inside cover. When cable is located properly the protective sleeve provided, is adequate to protect the cable pairs from being pinched or damaged by closing the cover. Use cable tie provided to secure cable to one side of the tie mount installed in Step f as shown in Figure 2.
g)
Observing the wire color codes make the connections to the protector blocks as shown in Figure 2. Wires should be secured under the lower nut and washer. Wire color code and signal name are listed in Table 1.
Page 6 © 1997, ADC Telecommunications, Inc.
ADCP-61-498 Issue 2, April 1997
Table 1. Cable Color Code and Signal COLOR
SIGNAL
White/Blue
Loop 1 TIP
Blue
Loop 1 RING
White/Orange
Loop 2 TIP
Orange
Loop 2 RING
Not used
No connection
White/Green
DS1 RCV T
Green
DS1 RCV R
White/Brown
DS1 XMT T1
Brown
DS1 XMT R1
Green (18 gauge)
Chassis Ground
PROTECTOR BLOCKS
DS1 CONNECTIONS WHITE/ BROWN
WHITE/ GREEN
TIP
TIP
RING
RING
BROWN
GREEN
XMT (OUT)
RCV (IN)
HDSL LOOP CONNECTIONS WHITE/ BLUE
WHITE/ ORANGE
TIP
TIP
RING
RING
BLUE
ORANGE
LOOP 1
LOOP 2
8398-D
Figure 2. Connect HDSL NID Unit to Protector Blocks
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ADCP-61-498 Issue 2, April 1997
h)
Connect HDSL NID subscriber bridge to DS1 connections/protector blocks. See Figure 3. Connect TIP XMT to T1, RING XMT to R1, TIP RCV to T, and RING RCV to R. The subscriber bridge RJ48C and screw terminals are wired in parallel. Place both wires of the same color under the upper nut and washer on the corresponding protector block screw. Connect green wire #10 to the ground stud in the enclosure base.
i)
Record all terminations at the network interface. SUBSCRIBER BRIDGES
CUSTOMER DS1 CONNECTIONS BINDING POSTS
RJ48C T1
R1
XMT (OUT)
T
R
RCV (IN))
8399-D
Figure 3. Connect Subscriber Bridge to DS1 Connections/Protector Blocks
D. Telephone Company Wiring Obtain the materials and tools listed below:
1.12 •
Wire crimping tool
•
Wire cutters
Page 8 © 1997, ADC Telecommunications, Inc.
ADCP-61-498 Issue 2, April 1997
1.13
•
22 AWG shielded twisted pair cable (4-wire) with drain.
•
No. 10 Ring Tongue Terminal(s). Remove the left-hand grommet and punch a small hole in the center of it using a pencil point. Caution: Do not use a knife to punch a hole or cut the grommet. Doing so creates too large of an opening in the grommet allowing moisture into the enclosure. Do not cut or break through the edge of the grommet, doing so may compromise grommets holding ability.
Route the HDSL and POTS twisted pair cables to the left opening on the bottom of the 1.14 enclosure. Make POTS connections following local practices. Thread telephone company wiring (HDSL) through the grommet. See Figure 4. Strip 1.15 back each cable jacket 10 to 12 inches to expose the two wire pairs, the metallic sheath, and drain wire (if present). Danger: To avoid electric shock, be careful when working near HDSL Loop connections or Telecommunication circuits. A electrical potential of ± 130 volts (relative to Earth ground) exists on the HDSL Loop connections or Telecommunication circuits. Coming in contact with this high electrical potential will result in death or severe personal injury. To avoid electric shock be certain the HDSL loop is not powered at the CO.
HDSL LOOP CONNECTIONS WHITE/ BLUE
WHITE/ ORANGE
TIP
TIP
LOOP 1
LOOP 2 RING
RING
BLUE
ORANGE
DRAIN WIRE
TELEPHONE COMPANY WIRING
8400-A
Figure 4. Telephone Company Wiring
Page 9 © 1997, ADC Telecommunications, Inc.
ADCP-61-498 Issue 2, April 1997
Cut off metallic sheath (if present) so that it is even with the outer jacket of the cables. 1.16 Cut drain wire (if present) so that it reaches the ground stud. The length of the drain wire should be as short as possible. Attach a No. 10 ring tongue terminal to each drain wire then attach the terminals to the ground stud. See Figure 5. Following local practice label protector block posts LOOP 1 TIP, LOOP 1 RING, 1.17 LOOP 2 TIP, and LOOP 2 RING. Secure HDSL Loop wiring using the top nut and washer on each protector block post. GROUND STUD GROUND WIRE GROUND LUG
HDSL LOOP CONNECTIONS WHITE/ BLUE
WHITE/ ORANGE
TIP
TIP
LOOP 1
LOOP 2 RING
RING
BLUE
ORANGE
DRAIN WIRE TELEPHONE COMPANY WIRING
TO EARTH GROUND
8401-B
Figure 5. Ground Stud
Earth Ground Wiring This procedure provides instructions for connecting a earth ground wire to the Enclosure. 1.18 The earth ground wire is installed between the enclosure and an earth ground source. a)
Obtain the supply materials listed below: • •
8 AWG solid copper wire (uninsulated) Wire cutters
b)
Locate ground wire with lug in the enclosure as shown in Figure 5. Secure ground wire to the ground lug by tightening the screw.
c)
Position the ground wire and lug in the lower portion of the enclosure away from the HDSL connections.
d)
Route the ground wire to an earth ground reference point.
Page 10 © 1997, ADC Telecommunications, Inc.
ADCP-61-498 Issue 2, April 1997
e)
At the earth ground reference point, cut the wire to the required length.
f)
Connect ground wire to earth ground reference point as specified by local practice.
E. Subscriber/Customer Wiring There is a subscriber entrance grommet located on the lower right bottom corner of the 1.19 enclosure base. See Figure 6. EXTERNAL MOUNTING EAR
8397-A
UNIVERSAL KNOCKOUT
EXTERNAL MOUNTING EAR
ENTRANCE GROMMETS
Figure 6. Subscriber Entrance Grommet Location
Remove the right-hand grommet and punch a small hole in the center of it using a pencil 1.20 point. Caution: Do not use a knife to punch a hole or cut the grommet. Doing so creates too large of an opening in the grommet allowing moisture into the enclosure. Do not cut or break through the edge of the grommet, doing so may compromise grommets holding ability.
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ADCP-61-498 Issue 2, April 1997
Obtain the materials and tools listed below:
1.21
1.22
•
Wire crimping tool
•
Wire cutters
•
22 AWG shielded twisted pair cable (4-wire) with drain.
•
No. 10 Ring Tongue Terminal(s). Thread subscriber wiring through the entrance grommet. See Figure 7.
RJ48C PLUG
8402-D
TO CUSTOMER EQUIPMENT
Figure 7. Subscriber Wiring with RJ48C Plug
Page 12 © 1997, ADC Telecommunications, Inc.
ADCP-61-498 Issue 2, April 1997
DS1 Wiring Strip back each cable jacket 10 to 12 inches to expose the two wire pairs, the metallic 1.23 sheath, and drain wire (if present). Cut off metallic sheath and drain wire (if present) so that it is even with the outer jacket of the cables. Interface point for subscriber wiring is the subscriber bridge (per ANSI T1.403). 1.24 Subscriber DS1 connections may be made to either the RJ48C jack or to the screw terminals. The subscriber bridge RJ48C jack and screw terminals are wired in parallel. If installation requires a RJ48C plug follow instructions given in the next step. If 1.25 installation does not require a RJ48C, connect subscriber wiring directly to the screw terminals on the subscriber bridge (See Figure 3). Install a RJ48C plug on to the subscriber wiring. See Figure 8 for RJ48C jack wiring 1.26 diagram and pin numbers. Plug RJ48C plug into RJ48C jack on subscriber bridge.
PIN 1
PIN 8 RJ-48
6927-A
RJ48C JACK (8) (7) (6) RJ48C JACK AND PLUG
(5)
T RECEIVE FROM CUSTOMER
(4)
R
(3) (2)
T1
(1)
R1
TRANSMIT TO CUSTOMER 8618-B
Figure 8. Wiring Diagram for RJ48C Jack
POTS Wiring 1.27
Strip subscriber inside wire insulation (POTS line wiring).
Page 13 © 1997, ADC Telecommunications, Inc.
ADCP-61-498 Issue 2, April 1997
Terminate subscriber POTS line(s), tip to green and ring to red, on the appropriate 1.28 subscriber bridge(s). Plug the RJ11 connector into the appropriate subscriber bridge RJ11 receptacle. Route DS1 line and POTS line(s) along the right side of the enclosure base. When 1.29 installing subscriber wiring, route wires under individual locking door support. Placing wires in this location allows installation of optional individual locking doors if required. Close inside protector compartment door and secure screw using a standard telephone 1.30 company KS, 216B or Robertson tool. If converting an existing CAC 7600 Enclosure to provide HDSL service, place high 1.31 voltage Danger label on the inside protector compartment door as shown in Figure 9.
WARNING: To avoid shock, remove the plug from test jack before wiring.
Telephone Company Access Only.
DANGER RISK OF ELECTRICAL SHOCK. VOLTAGES UP TO 260 VOLTS MAY BE PRESENT ON TELECOMMUNICATIONS CIRCUITS.
8624-A
Figure 9. Install Danger Label
Page 14 © 1997, ADC Telecommunications, Inc.
ADCP-61-498 Issue 2, April 1997
Use appropriate cable wire ties to secure telephone company and customer wiring to 1.32 enclosure using the slots provided. Carefully close enclosure outside door. Make certain HDSL cable is not pinched in the 1.33 door. Secure door with screw provided.
2. OPERATION Figure 10 provides a basic configuration diagram of a telco HDSL transmission facility 2.01 and a Soneplex HDSL NID unit. The HDSL unit in the Central Office receives the DS1 signal from the network equipment. The network DS1 signal is converted into two full duplex HDSL signals which are transmitted over the HDSL loops to the HDSL NID unit. The HDSL NID unit converts the HDSL signals back into a DS1 signal which is passed to the CPE per ANSI T1.403. The Soneplex HDSL NID unit also receives the DS1 signal coming from the CPE. The 2.02 DS1 signal from the CPE is converted into two full duplex HDSL signals which are transmitted over the HDSL loops to the HDSL unit in the telco facility. The telco facility HDSL unit converts the HDSL signals back into a DS1 signal which is passed to the network equipment per TR-TSY-000499.
TELCO FACILITY
CARRIER SERVING AREA
UP TO 12 KFT FOR 24 AWG CABLE UP TO 9 KFT FOR 26 AWG CABLE
HLX PLUS, HLX 220, HLX 319, OR HLXC
HDSL LOOPS
NETWORK INTERFACE
CUSTOMER PREMISES
SONEPLEX REMOTE HDSL SYSTEM
HDSL NID
DS1 SIGNAL
CPE
DS1 SIGNAL
HDSL SIGNALS
8619-A
Figure 10. HDSL Transmission System
The HDSL NID unit provides two DS1 loopbacks: one toward the network and one 2.03 toward the CPE. These loopbacks are facilitated in the DS1 line interface of the HDSL NID unit. The only source for HDSL NID unit provisioning is the HLXC. All provisioning values 2.04 which can be altered by the Craft Interface remain in the state that was last set at the HLXC. A. Front Panel Indicators and Controls The primary function of the indicators provided on the HDSL NID unit front panel are 2.05 described in Table 2. Refer to Figure 11 for the location of each indicator described.
Page 15 © 1997, ADC Telecommunications, Inc.
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When the HDSL NID unit is in a circuit with an HRX, the front panel HDSL related 2.06 indicators provide information about the loops between the HDSL NID unit and the HRX. Table 2. HDSL NID Unit Front Panel Indicators INDICATOR
COLOR
DESCRIPTION
STATUS
Green
Unit operating normally.
Yellow
Unit initializing or performing self test diagnostics. During selftest diagnostics, all other LEDs on front panel stay off.
Red
Fault detected during diagnostics.
Off
No power to the unit or blown fuse.
Yellow
Flashes yellow momentarily when intermittent BPV errors are detected. Steady yellow if DS1 signal has reached error rate (BPV) threshold value. (Default is 10–7.)
Red
DS1 Loss of Signal.
Off
DS1 signal normal.
Yellow
Signal to noise ratio on either of the HDSL loops is below the threshold value. (Default is 3 dB equivalent noise margin.)
Off
Signal to noise ratio is above threshold value in both HDSL loops.
Green
Loop 1 is active and HDSL signal is normal.
Yellow
Flashes yellow momentarily when intermittent HDSL CRC errors are detected on either end of loop 1. Steady yellow if bit error rate on HDSL loop 1 exceeds threshold value. (Default is 10 –7.)
Red
Loop 1 transceiver has lost frame synchronization.
Green
Loop 2 is active and HDSL signal is normal.
Yellow
Flashes yellow momentarily when intermittent HDSL CRC errors are detected on either end of loop 2. Steady yellow if bit error rate on HDSL loop 2 exceeds threshold value. (Default is 10–7.)
Red
Loop 2 transceiver has lost frame synchronization.
Off
Loop 2 inactive because CO HDSL unit is provisioned for single loop operation.
Yellow
Loopback condition is active at HDSL NID unit.
Off
Loopback at the HDSL NID unit is inactive.
Yellow
Alarm condition exists at the HLXC or the HRX.
Off
Remote alarms and customer loopback inactive.
DS1 LOS BER
SNR
L1 LOSW / BER
L2 LOSW / BER
LPBK CO ALM
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CUSTOMER DS1 CONNECTIONS RJ-48C 1 8
BINDING POSTS T1
R1
1
R
XMT (OUT) RCV (IN)
CABLE CODE COLOR CODE WHITE/BLUE BLUE WHITE/ORANGE ORANGE WHITE/GREEN GREEN WHITE/BROWN BROWN GREEN (18 GAUGE)
SIGNAL NAME LOOP 1 TIP LOOP 1 RING LOOP 2 TIP LOOP 2 RING DS1 RCV TIP (IN) DS1 RCV RING (IN) DS1 XMT TIP1 (OUT) DS1 XMT RING1 (OUT) EARTH GROUND
DANGER
RISK OF ELECTRICAL SHOCK. VOLTAGES UP TO 260 VOLTS MAY BE PRESENT ON TELECOMMUNICATIONS CIRCUITS.
WARNING WIRE 10 OF THE CABLE MUST BE CONNECTED TO EARTH GROUND. FAILURE TO DO SO MAY RESULT IN DAMAGE TO THE UNIT AND RISK OF ELECTRICAL SHOCK.
Tested To Comply With FCC Standards FOR HOME OR OFFICE USE
MODEL NO. PART NO. SERIAL NO.
UL
LISTED 21x5 TELEPHONE EQUIPMENT
VOLTS
AMPS
HERTZ
PH
L2 L1 LOSW LOSW CO ALM LPBK
BER
CAT # S/N INMADE USA
BER
DS1 LOS SNR
BER STATUS
DATE CODE
9523-A
Figure 11. HDSL NID Unit Front Panel
B. Network Loopback Functions The HDSL NID unit supports network loopback shown in Figure 12. The network 2.07 loopback may be activated or deactivated by standard smart-jack loopback codes, by programmable inband loopback codes, through the craft interface, or by TL1 command. Note: To activate the network loopback with TL1 commands, the HDSL NID unit must be used with the Soneplex Broadband or Loop Extender System.
Page 17 © 1997, ADC Telecommunications, Inc.
ADCP-61-498 Issue 2, April 1997
B1 HLX 220, B1 HLX 319, HLX PLUS, OR HLXC
HDSL NID
LOOPED DS1 SIGNAL
DS1 SIGNAL FROM CPE DS1
HDSL
HDSL
DS1
HDSL LOOPS DS1 SIGNAL FROM NETWORK (LOOPBACK SIGNAL)
AIS TO CPE
NETWORK LOOPBACK
8620-A
Figure 12. Network Loopback at HDSL NID Unit
By default, the HDSL NID unit is provisioned to function as a NID. As a NID, the HDSL 2.08 NID unit supports the standard smart-jack loopback codes defined in TR-TSY-000312. Transmitting the inband (SF format) or out of band (ESF format) smart-jack loopup code at the network DS1 input activates the network loopback. Transmitting the smart-jack loopdown code deactivates the network loopback. If required, the NID function may be disabled through the craft interface. When the programmable loopback function is enabled, the HDSL NID unit will arm for 2.09 a network loopback when the smart-jack loopup code is sent. Once in the armed state, the network loopback is activated by transmitting a unique 16 bit activation code for at least three seconds. The network loopback is deactivated by transmitting a unique 16 bit deactivation code for three seconds. The various HDSL NID unit loopback codes are shown in Table 3. Table 3. Loopback Codes Applicable to the HDSL NID Unit CODE FUNCTION
BINARY CODE
In-Band Loopup or Arming Code
11000 (SF)
In-Band Loopdown or Disarming Code
11100 (SF)
Out-of-Band Loopup or Arming Code
0001001011111111 (ESF)
Out-of-Band Loopdown or Disarming Code
0010010011111111 (ESF)
Programmable Loopback Activate Code
1100 0111 0100 0010 (default)
Programmable Loopback Deactivate Code
1001 0011 1001 0011 (default)
Programmable Loopup Timeout Disable Code
1101 0101 1101 0011 (default)
When a programmable loopback is activated, the HDSL NID unit will send a loopback 2.10 signature consisting of 20 logic errors in the looped signal. This signature is sent approximately five seconds after the loopback is established. During loopback, the DS1 signal is looped back towards the network and an Alarm 2.11 Indication Signal (AIS) is sent to the CPE. A yellow LED on the HDSL NID unit front panel indicates when the loopback is activated.
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C. Customer Loopback Functions The HDSL NID unit supports the customer loopback function shown in Figure 13. When 2.12 the customer loopback is activated, the network signal is returned to the network at the HDSL NID unit DS1 interface as a keep-alive signal. When the HDSL NID unit Remote System is used in conjunction with the Soneplex Broadband or Soneplex Loop Extender System, the customer and network loopbacks can be activated by an MPU Craft Interface menu command or TL1 command. The standard inband (SF format) and out of band (ESF format) loopback codes will not activate or deactivate the customer loopback. T-TERM 220, HLX319, HLX PLUS OR D1 HLXC
HDSL NID
LOOPED DS1 SIGNAL FROM NETWORK
DS1
DS1
DS1 SIGNAL FROM CPE
HDSL
HDSL
HDSL LOOPS LOOPED DS1 SIGNAL
DS1 SIGNAL FROM NETWORK
8621-A
LOOPBACKS
Figure 13. Customer Loopback at Remote HDSL Unit
D. Loopback Functions with the HDSL Repeater Unit In a system with a Soneplex Version D HLXC, B HLX 220, B HLX 319 module, and 2.13 HDSL repeater, several loopback scenarios can be initiated through the Craft Interface, TL1, or by programmable loopback commands for installation and trouble analysis of the circuit. Figure 14 provides a summary of the loopback capabilities of the system. Note: TL1 activation method only applies to the Soneplex System CO installation.
D1 HLXC
1
HDSL
HDSL
DS1
DS1 SIGNAL FROM CPE
HDSL REPEATER
2
HDSL LOOPS
DS1
4
HDSL NID
HDSL
3
HDSL HDSL LOOPS
DS1
5
DS1 SIGNAL FROM CPE
6 LOOPED DS1 SIGNAL
DS1 SIGNAL FROM NETWORK
LOOPBACK TYPE
ACTIVATE/DEACTIVATE BY
REVERSE DIRECTION SIGNAL
1.) 2.) 3.) 4.) 5.) 6.)
CRAFT/TL1/HLXR FRONT PANEL SWITCH CRAFT/TL1/16 BIT CODE CRAFT/TL1 CRAFT/TL1/16 BIT CODE CRAFT/TL1 CRAFT/TL1/16 BIT CODE/NID CODE
CPE RCV → CPE XMT AIS → CPE NETWORK RCV → NETWORK XMT AIS → CPE NETWORK RCV → NETWORK XMT AIS → CPE
HLXC CUSTOMER HLXC NETWORK REPEATER CUSTOMER REPEATER NETWORK HLXR CUSTOMER HLXR NETWORK
8622-A
Figure 14. Network and Customer Loopbacks with the HRX
Page 19 © 1997, ADC Telecommunications, Inc.
ADCP-61-498 Issue 2, April 1997
3. SYSTEM INTEGRATION SERVICES ADC offers the following system integration services. For calls originating in the U.S.A. 3.01 or Canada, dial 1-800-366-3891, extension 3000. For calls originating outside the U.S.A. or Canada, dial 612-946-3000. Technical Assistance Center
• • • • •
Product Management Project Engineering Project Administration System Turn-Up and Test Support Service/Maintenance Agreements
Technical Training
• Product Technology • Custom Designed Training
Technical Operations
• Detail Engineering • End-to-End Installation • Drafting Services
4. CUSTOMER SUPPORT SERVICES ADC offers the following customer support services. For calls originating in the U.S.A. 4.01 or Canada, dial 1-800-366-3891, then request the extension listed. For calls originating outside the U.S.A. or Canada, dial 612-946-3000 or 612-946-3223. NSD Technical Assistance Center Extension 3223
• • • • • • • • •
Technical Information System/Network Configuration Product Specification Product Application Proposals Training Installation and Operation Assistance Troubleshooting and Repair Field Assistance
Sales Administration Extension 3000
• • • •
Quotation Ordering Delivery General Product Information
Product Return Department Extension 3000
• ADC Return Authorization number and instructions must be obtained before returning products.
Product information and service can also be obtained by writing ADC Telecommunications, 4.02 Inc., 4900 West 78th Street, Minneapolis, Minnesota 55435, U.S.A.
Page 20 © 1997, ADC Telecommunications, Inc.
ADCP-61-498 Issue 2, April 1997
Contents herein are current as of the date of publication. ADC reserves the right to change the contents without prior notice. In no event shall ADC be liable for any damages resulting from loss of data, loss of use, or loss of profits and ADC further disclaims any and all liability for indirect, incidental, special, consequential or other similar damages. This disclaimer of liability applies to all products, publications and services during and after the warranty period. This publication may be verified at any time by contacting ADC’s Technical Assistance Center at 1-800-366-3891, extension 3223 (in U.S.A. or Canada) or 612-946-3223 (outside U.S.A. and Canada), or by writing to ADC Telecommunications, Inc., Attn: Technical Assistance Center, Mail Station #77, 4900 West 78th Street, Minneapolis, MN 55435, U.S.A.
© 1997, ADC Telecommunications, Inc. All Rights Reserved Printed in U.S.A.
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