A SERVICE OF

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A. Connectors and Pin Assignments
2600-A2-GN20-40 March 2005
A-5
E1 and T1 Uplink Connectors
The E1 and T1 connectors on T1/E1 MLPPP models are single, RJ48C, unkeyed,
shielded, 8-pin modular jacks. The shield is connected to ground via the module.
Console Port Connector
The CONSOLE port connector is a DB9 socket connector that supports an
EIA-232-E circuit as shown in Table A-6.
Table A-5. E1 Uplink Connectors
Signal Direction Pin
Receive Ring In 1
Receive Tip In 2
NC 3
Transmit Ring Out 4
Transmit Tip Out 5
NC In 6
NC 7
NC 8
Table A-6. Console Port Connector
RS-232 Signal Direction Pin
Data Carrier Detect Out 1
Receive Data Out 2
Send Data In 3
Data Terminal Ready In 4
Ground 5
Data Set Ready Out 6
Request to Send In 7
Clear to Send In 8
Ring Indicator 9