60 pin Cisco DB connector | 60 Pin1
| Signal
| Description
| Direction
| 37 Pin
| Signal |
J1-49 J1-48 | MODE_1 GND | Shorting group | - | - | - |
J1-46 | Shield_GND | Single | - | J2-1 | Shield GND |
J1-28 J1-27 | RxD/TxD+ RxD/TxD- | Twisted pair no. 11 |
| J2-4 J2-22 | SD+ SD- |
J1-13 J1-14 | TxCE/TxC+ TxCE/TxC- | Twisted pair no. 7 |
| J2-5 J2-23 | ST+ ST- |
J1-11 J1-12 | TxD/RxD+ TxD/RxD- | Twisted pair no. 6 |
| J2-6 J2-24 | RD+ RD- |
J1-1 J1-2 | CTS/RTS+ CTS/RTS- | Twisted pair no. 1 |
| J2-7 J2-25 | RS+ RS- |
J1-24 J1-23 | TxC/RxC+ TxC/RxC- | Twisted pair no. 9 |
| J2-8 J2-26 | RT+ RT- |
J1-9 J1-10 | RTS/CTS+ RTS/CTS- | Twisted pair no. 5 |
| J2-9 J2-27 | CS+ CS- |
J1-29 J1-30 | NIL/LL Circuit_GND | Twisted pair no. 12 | - | J2-10 J2-37 | LL SC |
J1-7 J1-8 | DTR/DSR+ DTR/DSR- | Twisted pair no. 4 |
| J2-11 J2-29 | DM+ DM- |
J1-3 J1-4 | DSR/DTR+ DSR/DTR- | Twisted pair no. 2 |
| J2-12 J2-30 | TR+ TR- |
J1-5 J1-6 | DCD/DCD+ DCD/DCD- | Twisted pair no. 3 |
| J2-13 J2-31 | RR+ RR- |
J1-26 J1-25 | RxC/TxCE+ RxC/TxCE- | Twisted pair no. 10 |
| J2-17 J2-35 | TT+ TT- |
J1-15 J1-16 | Circuit_GND Circuit_GND | Twisted pair no. 8 | _ _ | J2-19 J2-20 | SG RC |
Arrows indicate signal direction:
indicates DTE to DCE, and
indicates DCE to DTE. 1
Any pin not referenced is not connected. | 37 pin Cisco DB connector |