Alcatel-Lucent 1645 AMC Installation Manual page 90

System cabling
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Option card cable installation
Overview
Purpose
This section provides information about the cabling of the option cards for 1645 AMC.
Contents
E1 interfaces (Main board/X16E1-V3 card)
DS1 interfaces (Main board/X16DS1 card)
SHDSL interfaces (X12SHDSL-V2 card)
E3/DS3 interfaces (X3E3DS3 card)
LA interfaces (X8PL, and X5IP cards)
E1 interfaces (Main board/X16E1-V3 card)
Purpose
2048 kbit/s E1 inputs and outputs can be connected to these interfaces either via 120 Ω
cables (symmetrical) or 75 Ω cables (coaxial).
Connector data
The E1 connectors located on the main board and/or on the X16E1-V3 option card are
RJ45 connectors with metal shell for grounding. It must be ensured that the connector
metal shell has good contact with the cable shield.
Figure 4-22 E1 connector
1
Table 4-11
Point on
connector
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4-22
8
Pin assignment (E1 cables)
(120 , symmetrical)
1 TX positive (a-wire)
2 TX negative (b-wire)
3 nc
Alcatel-Lucent – Internal
Proprietary – Use pursuant to Company instruction
Signal name
Option card cable installation
Signal name
(75 , coaxial)
Braid of TX coaxial
nc
Inner conductor of TX coaxial
Overview
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365-313-103R8.0
Issue 2 July 2009