Issue 5 November 2000
363-206-208
Equipment and Rear Access Cabling for the DDM-2000 OC-12 Multiplexer
Lucent Technologies - Proprietary
See Notice on first page
Table 2-6
DS1
Timing Cable Assemblies
Description
ED-8C727-20 Group
Cable
Length(ft.)
Cable
Type
DDM-2000 Backplane
Connections
DS1 Timing Reference
Input
151
100
BF†
J66/J65
152
300
182
150
183
450
153 (D.A.)*
As Reqd.
DS1 Timing MULT
for Additional OC-12
Shelves
154
5
745AS‡
J66 toJ65
(Lower Shelf)
155 (D.A.)*
As Reqd.
BF†
J66 toJ65
(None adjacent)
184
50
DS1 Timing MULT
for Additional OC-3 Shelf
ED-8C724-20 G380
4
BF†
P65 (OC-12 Shelf) to
P37 (OC-3 Shelf Pos.
1)
Sync Input Timing
(Prevents Timing Loop)
ED-8C724-20
G394‡
3
BF†
J65 to P237(OC-12
Shelf), J237 to
Incoming external
reference cable
DS1 Timing Termination
Plug
ED-8C724-20 G397
J65
DS1 Timing from FT-2000 ED-8C724-22 G29
75
BF†
J66 to FT-2000
ED-8C724-22 G71
50
ED-8C724-22 G72
150
ED-8C724-22 G30
(D.A.)*
655
Table 2-6 Notes:
* Discontinued Availability means cable can no longer ordered.
† The BF type cable is 22 gauge.
‡ 745AS cable is 26 gauge
** The ED-8C724-20 Group 394 sync input cable is required ONLY if the DDM-2000 OC-12 shelf is
equipped with BBF2B/BBF4 circuit packs configured for providing a sync output for the BITS clock and
the BBF2B/BBF4 circuit packs are externally timed to a DS1 reference. The Group 394 cable connects
to P66 on the DDM-2000 OC-12 shelf in series with the cable that is providing the incoming external ref-
erence signal.
Содержание DDM-2000 OC-12
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Страница 52: ... LL Issue 3 June 2000 363 206 310 Introduction Lucent Technologies Proprietary See Notice on first page ...
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Страница 314: ... Issue 3 June 2000 363 206 310 Troubleshooting Lucent Technologies Proprietary See Notice on first page ...
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Страница 381: ...363 206 208 Index 1 WARNING warning YL wrist strap YLLL wrist straps YLL X 25 Zero Code Suppression ...
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