Lucent Technologies LambdaUnite, Руководство по установке, Страница: 234 / 628

Cable data (TI-E1 input, 120
Ω
)
Length of pre-fabricated cables, shielded twisted pair, 120
Ω
+ overall screen:
•
10 m [32.808 ft] Station clock input cable, TI–E1 (120
Ω
) — CC109155812
•
25 m [82.021 ft] Station clock input cable, TI–E1 (120
Ω
) — CC109155820
•
50 m [164.042 ft] Station clock input cable, TI–E1 (120
Ω
) — CC109155838
•
75 m [246.063 ft] Station clock input cable, TI–E1 (120
Ω
) — CC109164301
•
100 m [328.084 ft] Station clock input cable, TI–E1 (120
Ω
) — CC109164319.
Connector data (TI-E1 input, 120
Ω
)
The 120
Ω
E1 station clock input cables have a 9-pin SUB-D connector (female).
Table 4-17 Pin assignment (E1 station clock input cables, 120
Ω
)
Point on
connector Signal name Wire Wire color *1
2 Station-Clock Input Positive a-wire / Tip White
3 Station-Clock Input Negative b-wire / Ring Blue
4 Ground Screen
Routing
The upper and lower subracks have the cabling on the rear side: the B cabling
(IN/OUT) to the left and the A cabling (IN/OUT) to the right.
Figure 4-43 Connector of the 120
Ω
E1 station clock input cables
System cabling and final assembly TI-E1 Station clock I/O interface (120
Ω
)
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4-68 Lucent Technologies - Proprietary
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Issue 1, December 2005