Lucent Technologies LambdaUnite, Руководство по установке, Страница: 233 / 628

TI-E1 Station clock I/O interface (120
Ω
)
.................................................................................................................................................................................................................................
Cable quantity
One input cable and one output cable are needed for each Timing Interface (TI).
Cable data (TI-E1 Output, 120
Ω
)
Length of pre-fabricated cables, shielded twisted pair, 120
Ω
+ overall screen:
•
10 m [32.808 ft] Station clock output cable, TI–E1 (120
Ω
) — CC109155556
•
25 m [82.021 ft] Station clock output cable, TI–E1 (120
Ω
) — CC109155564
•
50 m [164.042 ft] Station clock output cable, TI–E1 (120
Ω
) — CC109155572
•
75 m [246.063 ft] Station clock output cable, TI–E1 (120
Ω
) — CC109164244
•
100 m [328.084 ft] Station clock output cable, TI–E1 (120
Ω
) — CC109164251.
Connector data (TI-E1 Output, 120
Ω
)
The 120
Ω
E1 station clock output cables have a 9-pin SUB-D connector (male).
Table 4-16 Pin assignment (E1 station clock output cables, 120
Ω
)
Point on
connector Signal name Wire Wire color *1
2 Station-Clock Output Positive a-wire / Tip White
3 Station-Clock Output Negative b-wire / Ring Blue
7 Ground Screen
5, 6 Strap
Figure 4-42 Connector of the 120
Ω
E1 station clock output cables
System cabling and final assembly
.................................................................................................................................................................................................................................
365-374-187
Issue 1, December 2005 Lucent Technologies - Proprietary
See notice on first page
4-67