Cisco X.21 DCE Cable Pinout -
|
60 Pin1 | Signal | Description | Direction | 15 Pin | Signal |
|---|---|---|---|---|---|
| J1-48 J1-47 | GND MODE_2 | Shorting group | - | - | - |
| J1-46 | Shield_GND | Single | - | J2-1 | Shield GND |
| J1-28 J1-27 | RxD/TxD+ RxD/TxD- | Twisted pair no. 6 | <-- <-- | J2-2 J2-9 | Transmit+ Transmit- |
| J1-1 J1-2 | CTS/RTS+ CTS/RTS- | Twisted pair no. 1 | <-- <-- | J2-3 J2-10 | Control+ Control- |
| J1-11 J1-12 | TxD/RxD+ TxD/RxD- | Twisted pair no. 3 | --> --> | J2-4 J2-11 | Receive+ Receive- |
| J1-9 J1-10 | RTS/CTS+ RTS/CTS- | Twisted pair no. 2 | --> --> | J2-5 J2-12 | Indication+ Indication- |
| J1-24 J1-23 | TxC/RxC+ TxC/RxC- | Twisted pair no. 4 | --> --> | J2-6 J2-13 | Timing+ Timing- |
| J1-15 Shield | Control_GND - | Twisted pair no. 5 | - - | J2-8 Shield | Control GND - |
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