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Interface Pinouts
98
T1/E1 Module:
The T1/E1 interface module use a standard RJ45 service connector, pinout
specification RJ48C.
Figure D-5 Rear View of the T1/E1 Connector
When two T1/E1 routers are to be connected in a back to back set-up, a null-modem
crossover cable used for the connection.
A T1/E1 crossover cable would be constructed as follows:
1 --> 4
2 --> 5
5 --> 2
4 --> 1
Pins 1 and 2 are receive (1 = ring, 2= tip)
Pins 4 and 5 are transmit (4 = ring, 5= tip)
T1/E1
Содержание P1705
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