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System cabling
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Table 4-11
Point on
connector
Cable data (120 , symmetrical)
Preferably shielded twisted pair cables should be used (22 or 26 AWG).
Cable data (75 , coaxial)
Preferably MiniCoax 75 Ω, 2.5 mm cables should be used.
Inner conductor of Rx-coaxial
Inner conductor of Tx-coaxial
Cable connection
Please connect the E1 cables as shown in the figure below:
Figure 4-23 E1 cables
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365-313-103R8.0
Issue 2 July 2009
Pin assignment (E1 cables) (continued)
(120 , symmetrical)
4
RX positive (a-wire)
5
RX negative (b-wire)
6
nc
7
G D
8
G D
Stranded wire AWG 26
GND
GND
Braid of Rx-coaxial
Braid of Tx-coaxial
Proprietary – Use pursuant to Company instruction
Signal name
Tinned copper braid
Alcatel-Lucent – Internal
Option card cable installation
E1 interfaces (Main board/X16E1-V3 card)
Signal name
(75 , coaxial)
Braid of RX coaxial
nc
Inner conductor of RX coaxial
G D
G D
4-23
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