Telect Network Card DNI 1B User Manual

®
®
CONNECTING THE FUTURE  
1
4
MON  
OUT  
8
12  
16  
IN  
20  
24  
28  
32  
36  
40  
MON  
OUT  
44  
IN  
48  
52  
NE-2  
NE-1  
56  
60  
64  
MON  
OUT  
IN  
MON  
OUT  
IN  
DIGITAL NETWORK INTERFACE-1B  
USER MANUAL  
108891  
Issue A Rev 2  
 
Digital Network Interface 1-B User Manual  
Document Number 108891  
Issue A Rev 2  
Copyright© Telect, Inc., 1998, All Rights Reserved.  
Telect and Connecting the Future are registered trademarks of Telect, Inc., 2111 N. Molter Rd., Liberty Lake,  
Washington 99019  
Note:  
Telect assumes no liability from the application or use of these products. Neither does Telect convey any license un-  
der its patent rights nor the patent rights of others. This document and the products described herein are subject to  
change without notice.  
ii  
108891  
Issue A Rev 2  
 
 
Contents  
Section 1 Descriptions  
DNI-1B ........................................................................................ 1-1  
Capabilities ............................................................................ 1-1  
Features.................................................................................. 1-2  
System-Level Applications.......................................................... 1-2  
Main Assemblies.......................................................................... 1-2  
Physical Specification.................................................................. 1-3  
Section 2 Installation  
Installation Considerations .......................................................... 2-1  
Location and Space................................................................ 2-1  
Tools and Equipment............................................................. 2-3  
Inspection..................................................................................... 2-3  
Installation Procedure .................................................................. 2-4  
Mounting the DNI-1B............................................................ 2-4  
Cabling Procedure.................................................................. 2-4  
Section 3 Electrical Operation  
Section 4 User Functions  
Patching ....................................................................................... 4-1  
Loopback ..................................................................................... 4-2  
Monitoring ................................................................................... 4-2  
Drop-And-Insert Test................................................................... 4-3  
Issue A Rev 2  
108891  
Telect, Inc.  
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Section 5 Service  
Owner Maintenance..................................................................... 5-1  
In Case Of Difficulty ................................................................... 5-1  
In-Warranty Service..................................................................... 5-1  
Out-Of-Warranty Service............................................................. 5-2  
Repacking For Shipment ............................................................. 5-2  
iv  
Telect, Inc.  
108891  
Issue A Rev 2  
 
1 Descriptions  
DNI-1B  
Telect’s Bantam Digital Network Interface Panel—the DNI-1B, PN 010-  
7128-5001 (128 circuit) and 010-7112-5001 (112 circuit)—is a central in-  
terface point for networks that connect DS-1 signals from digital cross-  
connect system (DCS) circuits to network element (NE) circuits. As an ex-  
tension to the backplane of DCS equipment, the DNI-1B allows circuit  
configuration changes, maintenance, and troubleshooting without disrupt-  
ing DCS operation.  
Capabilities  
High circuit densities  
Circuit migration, system expansion  
Compatibility with all E-1/T-1 signal types and system software  
Circuit patching, troubleshooting, and monitoring  
Installation verification  
Integrated cable management  
Issue A Rev 2  
108891  
Telect, Inc.  
1-1  
 
Descriptions  
DNI-1B User Manual  
Features  
DDJ™ tri-jacks for IN, OUT, and MON ports  
Each circuit has two tri-jacks—one for DCS (NE-1) and one for net-  
work element (NE-2) circuits  
Circuit designation labels  
Hinged designation holders  
Four wire-wrap termination points for both NE-1 and NE-2  
Two wire-management tie-down bars  
SYSTEM-LEVEL APPLICATIONS  
DNI-1B  
Digital Switch  
1:0 DCS  
Office Repeater Bays  
(ORBs)  
DS-1  
Cables  
DS-1 Cables  
3:1 DCS  
DS-3  
Cable  
Channel Banks  
Fiber Optic  
Transmission System  
(FOTS)  
DNI-3  
Loop Multiplexers  
MAIN ASSEMBLIES  
The DNI-1B allows maximum circuit density in EIA and WECO racks/  
bays. The 112-circuit version fits 19" (48.3 cm) racks/bays; the 128-circuit  
version fits 23" (58.4 cm) racks/bays. There are 56 sets of rear termination  
points in the 112-circuit version and 64 sets in the 128-circuit version.  
1
4
8
12  
MON  
1
2
DDJ  
Tri-Jack  
3
OUT  
IN  
4
5
6
7
Front  
Panel  
®
8
SPOKANE, WA.  
9
10  
11  
12  
13  
14  
15  
16  
MON  
OUT  
IN  
Label  
Holder  
1-2  
Telect, Inc.  
108891  
Issue A Rev 2  
 
DNI-1B User Manual  
Descriptions  
Termination Point  
®
64  
60  
56  
52  
48  
SPOKANE, WA.  
T
R
T
R
OUT  
IN  
NE-2  
®
64  
60  
56  
52  
48  
SPOKANE, WA.  
T
R
T
R
OUT  
IN  
NE-1  
Tie-Down Bar  
PHYSICAL SPECIFICATION  
15 lb  
(6.8 kg)  
Issue A Rev 2  
108891  
Telect, Inc.  
1-3  
 
 
2 Installation  
INSTALLATION CONSIDERATIONS  
Location and Space  
DNI-1B mounts flush into both unequal flange and equal flange (EIA or  
WECO) racks/bays—the 112-circuit version in 19" (48.3 cm) bays, the  
128—circuit version in 23" (58.4 cm) bays. Rack configuration is limited  
mainly by the number of cables a bay can accommodate. Telect recom-  
mends a maximum of 22 DNI-1B panels per bay:  
Allows easy access for maintenance.  
Keeps the panels within reach.  
Provides enough room for cable routing.  
Here are the DNI-3 space requirements:  
Cable Space  
Needed per Side  
of Bay (in.2)  
DCS  
Terminations  
EIA Bay Spaces  
Required  
Panels Total Cables  
128  
112  
1–64  
1–56  
1
2
8
2.48  
4.96  
2
65–128  
57–112  
16  
24  
32  
40  
48  
56  
64  
72  
80  
4
129–192  
193–256  
257–320  
321–384  
385–448  
449–512  
513–576  
577–640  
113–168  
169–224  
225–280  
281–336  
337–392  
393–448  
449–504  
505–560  
3
7.44  
6
4
9.92  
8
5
12.40  
14.88  
17.36  
19.84  
22.32  
24.80  
10  
12  
14  
16  
18  
20  
6
7
8
9
10  
Issue A Rev 2  
108891  
Telect, Inc.  
2-1  
 
Installation  
DNI-1B User Manual  
Cable Space  
Needed per Side  
DCS  
Terminations  
EIA Bay Spaces  
Required  
Panels Total Cables  
of Bay (in.2)  
128  
112  
641–704  
705–768  
769–832  
833–896  
897–960  
961–1024  
1025–1088  
561–616  
617–672  
673–728  
729–784  
785–840  
841–896  
897–952  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
24  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
88  
27.28  
29.76  
32.24  
34.72  
37.20  
39.68  
42.16  
44.64  
47.12  
49.60  
52.08  
54.56  
57.04  
59.52  
62.00  
64.48  
66.96  
69.44  
71.92  
74.40  
76.88  
79.36  
81.84  
84.32  
86.80  
89.28  
91.76  
22  
24  
26  
28  
30  
32  
34  
36  
38  
40  
42  
44  
46  
48  
50  
52  
54  
56  
58  
60  
62  
64  
66  
68  
70  
72  
74  
96  
104  
112  
120  
128  
136  
144  
152  
160  
168  
176  
184  
192  
200  
208  
216  
224  
232  
240  
248  
256  
264  
272  
280  
288  
296  
1089–1152 953–1008  
1153–1216 1009–1064  
1217–1280 1065–1120  
1281–1344 1121–1176  
1345–1408 1177–1232  
1409–1472 1233–1288  
1473–1536 1289–1344  
1537–1600 1345–1400  
1601–1664 1401–1456  
1665–1728 1457–1512  
1729–1792 1513–1568  
1793–1856 1569–1624  
1857–1920 1625–1680  
1921–1984 1681–1736  
1985–2048 1737–1792  
2049–2112 1793–1848  
2113–2176 1849–1904  
2177–2240 1905–1960  
2241–2304 1961–2016  
2305–2368 2017–2072  
In the above table, the first shaded row is the capacity for a 7-ft bay. The  
second shaded row is the capacity for an 8-ft bay; the last shaded row is for  
an 11.5-ft bay.  
2-2  
Telect, Inc.  
108891  
Issue A Rev 2  
 
DNI-1B User Manual  
Installation  
Network Bay Extender Panel  
Telect recommends net-  
work bay extender panels  
for cable management—  
two for each fully provi-  
sioned DNI-1B bay. The  
extender provides 81  
square inches (522.6  
square cm) of routing  
space (enough for 135  
Extender  
Cable  
Management  
Bracket  
(Inside the  
Extender)  
30-pair ABAM cables)  
and 9 cable management  
brackets to secure and  
channel the cables.  
Tools and Equipment  
Back View of  
Network Bay  
No special tools or equip-  
ment are required.  
INSPECTION  
Compare the contents of the DNI-1B shipping container with the packing  
list. Call Telect if you are missing anything.  
NOTE  
Telect is not liable for shipping damage.  
If the shipping container is damaged, keep it for the carriers inspection.  
Notify the carrier and call Telects Customer Service Department:  
1-800-551-4567 or 1-509-926-6000  
Keep the container until you have checked equipment operation. If you ex-  
perience any kind of problem, call Telects Customer Service Department.  
Use the original, undamaged container if you are instructed to return the  
DNI-1B to Telect.  
Issue A Rev 2  
108891  
Telect, Inc.  
2-3  
 
Installation  
DNI-1B User Manual  
INSTALLATION PROCEDURE  
Mounting the DNI-1B  
Step Action  
1.  
2.  
3.  
Align the DNI-1B chassis mounting holes with the mounting holes  
of the network bay/rack.  
Install four mounting screws (two on each side) into the mounting  
holes but do not completely tighten them.  
Attach the hinged label holders to the  
front of the panel.  
a. Slip the eyehole in the center of the  
holder over the head of the top  
mounting screw.  
b. Slide the holder down on the shaft of  
this screw so that the slot in the bot-  
tom fits over the shaft of the bottom  
screw.  
c. Tighten both screws.  
Cabling Procedure  
Step Action  
1.  
Route the DCS IN cables to one side of the network bay. Tie-wrap  
the cables in place within the extender panel cable management  
brackets.  
2.  
3.  
Route the DCS OUT cables to the opposite side of the network bay;  
tie-wrap them the same way.  
Starting at the lowest DNI-1B panel in the bay/rack, lay the DCS IN  
cables over the lower tie-down bar and connect them to the NE-1  
IN termination points.  
4.  
5.  
Secure the DCS IN cables to the tie-down bar.  
Go to the next DNI1-B panel up and connect those DCS IN cables.  
Continue the procedure, connecting all DCS IN cables.  
2-4  
Telect, Inc.  
108891  
Issue A Rev 2  
 
DNI-1B User Manual  
Installation  
6.  
Repeat Steps 2–5 for the DCS OUT cables, connecting them to the  
NE-1 OUT termination points.  
7.  
Route the NE IN cables to the same side of the network bay as the  
DCS IN cables and the NE OUT cables to the same side as the DCS  
OUT cables. Tie-wrap the cables in place within the extender panel  
cable management brackets.  
8.  
9.  
Repeat steps 2–6 for the NE cables, connecting the NE IN cables to  
the NE-2 IN termination points and the NE OUT cables to the NE-2  
OUT termination points.  
Identify circuits on the designation labels.  
Issue A Rev 2  
108891  
Telect, Inc.  
2-5  
 
 
3 Electrical Operation  
DCS wires attach to the lower four wire-wrap termination points on the  
rear of the DNI-1B panel (NE-1); the network element wires attach to the  
upper four points (NE-2). OUT (transmit) circuits attach to the upper pair  
of termination points; IN (receive) circuits attach to the lower pair.  
Inside the DNI-1B, the DCS IN circuits are hard-wired to the NE OUT cir-  
cuits and the NE IN circuits to the DCS OUT circuits (internal cross-con-  
nect, Tip-to-Tip and Ring-to-Ring):  
DCS Out to NE In  
Remaining Circuits Are Similarly Wired  
T
M
O
Out  
In  
R
T
N
NE-2  
(NE)  
N
E
2
O
U
T
R
I
N
Ground  
(Green Wire)  
Termination Points  
T
Internal  
Cross-  
Connect  
M
O
N
Out  
R
NE-1  
(DCS)  
T
N
E
1
Resistors  
R
In  
O
U
T
I
N
All internal con-  
nections are wired,  
not just chassis  
ground and the  
termination points.  
Cutaway Side View of DNI1-B  
Issue A Rev 2  
108891  
Telect, Inc.  
3-1  
 
Electrical Operation  
DNI-1B User Manual  
Inserting a Bantam plug into the jack does the following:  
Plug  
Single  
Jack  
Function  
NE-1 MON  
NE-2 MON  
Accesses DCS OUT circuit  
Accesses NE OUT circuit  
Dual Patch  
NE-1 OUT/IN Patches DCS or NE circuit  
NE-2 OUT/IN Patches DCS or NE circuit  
Insulators  
Ground  
Out  
Tip  
Ring  
In  
3-2  
Telect, Inc.  
108891  
Issue A Rev 2  
 
4 User Functions  
PATCHING  
Step Action  
1.  
Partially insert a dual Bantam patch-cord in the OUT and IN jacks  
of the appropriate NE-2 circuit on the front of the DNI1-B panel:  
OUT  
Side View of  
DNI1-B Panel  
Curved Side  
IN  
2.  
Twist the plug on the other end of the cord so that its curved side is  
in the opposite orientation—if the first plug’s curved side is up, the  
second plug’s must be down. This is how you connect the IN of one  
circuit to the OUT of another.  
Out  
In  
Out  
In  
Issue A Rev 2  
108891  
Telect, Inc.  
4-1  
 
User Functions  
DNI-1B User Manual  
3.  
4.  
Partially insert the second plug in the OUT and IN jacks of the ap-  
propriate NE-1 circuit.  
Simultaneously push both plugs fully into the jacks.  
LOOPBACK  
To temporarily loop an NE or DCS OUT port to its IN port, fully insert a  
Bantam looping plug into the jacks of the appropriate circuit.  
OUT  
Side View of  
Signal Path  
DNI1-B Panel  
IN  
MONITORING  
You can monitor NE and DCS circuit outputs from the front of the DNI-1B  
panel.  
Fully insert a single Bantam patch-cord plug into the monitor jack of the  
appropriate circuit. Insert the cord’s other plug into the test set you are us-  
ing to monitor the circuit.  
To Test  
Set  
Side View  
of DNI1-B  
MON  
4-2  
Telect, Inc.  
108891  
Issue A Rev 2  
 
DNI-1B User Manual  
User Functions  
DROP-AND-INSERT TEST  
Terminate a T-1 signal at the panel with a 100 ohm DNI-1B terminating  
plug. Fully insert the plug into the jack of the appropriate NE-1 or NE-2  
circuit.  
Side View  
of DNI1-B  
Jack  
Issue A Rev 2  
108891  
Telect, Inc.  
4-3  
 
 
5
Service  
OWNER MAINTENANCE  
Telect’s DNI-1B does not need preventive maintenance.  
IN CASE OF DIFFICULTY  
If problems occur after initial installation, check all cable connections and  
the installation instructions in Section 2.  
IN-WARRANTY SERVICE  
Contact your Telect equipment distributor, or call a Telect Customer Ser-  
vice Representative:  
1-800-551-4567  
1-509-926-6000  
Telect will repair or replace defective products within the limits of the war-  
ranty. See “Repacking for Shipment” in this section.  
NOTE  
Call a Customer Service Representative for a Return Material Authoriza-  
tion (RMA) before returning any equipment.  
Issue A Rev 2  
108891  
Telect, Inc.  
5-1  
 
Service  
DNI-1B User Manual  
OUT-OF-WARRANTY SERVICE  
The procedure for out-of-warranty service is the same as for in-warranty  
service, except that Telect charges a processing fee, and you must submit a  
Purchase Order along with a Return Material Authorization (RMA) before  
returning equipment. Call a Customer Service Representative for help get-  
ting these forms.  
The processing fee guarantees a repair estimate and is credited against ac-  
tual material and labor costs.  
REPACKING FOR SHIPMENT  
Step Action  
1.  
Tag the equipment showing owner’s name, address, and telephone  
number, together with a detailed description of the problem.  
2.  
Use the original shipping container if possible. If you do not have  
it, package the equipment in a way to prevent shipping damage. In-  
clude the RMA inside the container.  
3.  
Insure the package.  
NOTE  
Telect is not liable for shipping damage.  
5-2  
Telect, Inc.  
108891  
Issue A Rev 2  
 

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