 60 pin Cisco DB connector | 60 Pin1 | Signal | Description | Direction | 34 Pin | Signal | J1-49 J1-48 | MODE_1 GND | Shorting group | - | - | - | J1-50 J1-51 | MODE_0 GND | Shorting group | - | - | - | J1-53 J1-54 J1-55 J1-56 | TxC/NIL RxC_TxCE RxD/TxD GND | Shorting group | - | - | - | J1-46 | Shield_GND | Single | - | J2-A | Frame GND | J1-45 Shield | Circuit_GND - | Twisted pair no. 12 | - - | J2-B Shield | Circuit GND - | J1-35 Shield | CTS/RTS - | Twisted pair no. 8 |  - | J2-C Shield | RTS - | J1-42 Shield | RTS/CTS - | Twisted pair no. 9 |  - | J2-D Shield | CTS - | J1-43 Shield | DTR/DSR - | Twisted pair no. 10 |  - | J2-E Shield | DSR - | J1-44 Shield | LL/DCD - | Twisted pair no. 11 |  - | J2-F Shield | RLSD - | J1-34 Shield | DSR/DTR - | Twisted pair no. 7 |  - | J2-H Shield | DTR - | J1-33 Shield | DCD/LL - | Twisted pair no. 6 |  - | J2-K Shield | LT - | J1-28 J1-27 | RxD/TxD+ RxD/TxD- | Twisted pair no. 5 | 
 | J2-P J2-S | SD+ SD- | J1-18 J1-17 | TxD/RxD+ TxD/RxD- | Twisted pair no. 1 | 
 | J2-R J2-T | RD+ RD- | J1-26 J1-25 | RxC/TxCE+ RxC/TxCE- | Twisted pair no. 4 | 
 | J2-U J2-W | SCTE+ SCTE- | J1-22 J1-21 | NIL/RxC+ NIL/RxC- | Twisted pair no. 3 | 
 | J2-V J2-X | SCR+ SCR- | J1-20 J1-19 | TxCE/TxC+ TxCE/TxC- | Twisted pair no. 2 | 
 | J2-Y J2-AA | SCT+ SCT- | Arrows indicate signal direction: indicates DTE to DCE,
and indicates DCE to DTE. 1 Any pin not referenced is not
connected. |  15 pin V.35 Cisco connector |