Telect DNI-1B Manuel utilisateur
®
CONNECTING THE FUTURE ®
DIGITAL NETWORK INTERFACE-1B
USER MANUAL
108891
Issue A Rev 2
MON
OUT
IN
MON
OUT
IN
MON
OUT
IN
MON
OUT
IN
NE-2
32 36 40 44 48 52 56 60 64
28
24
20
16
12
8
4
1
NE-1
ii
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.
Telectand Connecting the Futureare 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.
INSIDE OF BACK COVER
Issue A Rev 2 108891 Telect, Inc.
iii
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
iv
Telect, Inc. 108891 Issue A Rev 2
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
Issue A Rev 2 108891 Telect, Inc.
1-1
1Descriptions
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
Descriptions DNI-1B User Manual
1-2
Telect, Inc. 108891 Issue A Rev 2
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
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.
DS-1 Cables
DS-1
Cables
DS-3
Cable Fiber Optic
Transmission System
(FOTS)
DNI-3
DNI-1B
3:1 DCS
Office Repeater Bays
(ORBs)
Loop Multiplexers
Digital Switch
1:0 DCS
Channel Banks
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
MON
OUT
IN
14 8 12
MON
OUT
IN
DDJ
Tri-Jack
SPOKANE, WA.
L
abe
lH
o
l
de
r
®
Front
Panel
DNI-1B User Manual Descriptions
Issue A Rev 2 108891 Telect, Inc.
1-3
PHYSICAL SPECIFICATION
Termination Point
Tie-Down Bar
SPOKANE, WA.
SPOKANE, WA.
T
64
64
60
60
56
56
52
52
48
48
R
T
R
T
R
T
R
OUT
IN
OUT
IN
NE-2
NE-1
®
®
15 lb
(6.8 kg)
Issue A Rev 2 108891 Telect, Inc.
2-1
2Installation
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:
DCS
Terminations Panels Total Cables
Cable Space
Needed per Side
of Bay (in.2)EIA Bay Spaces
Required
128 112
1–64 1–56 1 8 2.48 2
65–128 57–112 2 16 4.96 4
129–192 113–168 3 24 7.44 6
193–256 169–224 4 32 9.92 8
257–320 225–280 5 40 12.40 10
321–384 281–336 6 48 14.88 12
385–448 337–392 7 56 17.36 14
449–512 393–448 8 64 19.84 16
513–576 449–504 9 72 22.32 18
577–640 505–560 10 80 24.80 20
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