 60 pin Cisco DB connector | | 60 Pin1
| Signal
| Description
| Direction
| 37 Pin
| Signal |
|---|
J1-49
J1-48 | MODE_1
GND | Shorting group | - | - | - |
J1-51
J1-52 | GND
MODE_DCE | Shorting group | - | - | - |
| J1-46 | Shield_GND | Single | _ | J2-1 | Shield GND |
J1-11
J1-12 | TxD/RxD+
TxD/RxD- | Twisted pair no. 6 | 
| J2-4
J2-22 | SD+
SD- |
J1-24
J1-23 | TxC/RxC+
TxC/RxC- | Twisted pair no. 9 | 
| J2-5
J2-23 | ST+
ST- |
J1-28
J1-27 | RxD/TxD+
RxD/TxD- | Twisted pair no. 11 |
| J2-6
J2-24 | RD+
RD- |
J1-9
J1-10 | RTS/CTS+
RTS/CTS- | Twisted pair no. 5 |
| J2-7
J2-25 | RS+
RS- |
J1-26
J1-25 | RxC/TxCE+
RxC/TxCE- | Twisted pair no. 10 |
| J2-8
J2-26 | RT+
RT- |
J1-1
J1-2 | CTS/RTS+
CTS/RTS- | Twisted pair no. 1 |
| J2-9
J2-27 | CS+
CS- |
J1-44
J1-45 | LL/DCD
Circuit_GND | Twisted pair no. 12 |
_ | J2-10
J2-37 | LL
SC |
J1-3
J1-4 | DSR/DTR+
DSR/DTR- | Twisted pair no. 2 |
| J2-11
J2-29 | DM+
DM- |
J1-7
J1-8 | DTR/DSR+
DTR/DSR- | Twisted pair no. 4 |
| J2-12
J2-30 | TR+
TR- |
J1-5
J1-6 | DCD/DCD+
DCD/DCD- | Twisted pair no. 3 |
| J2-13
J2-31 | RR+
RR- |
J1-13
J1-14 | TxCE/TxC+
TxCE/TxC- | Twisted pair no. 7 |
| J2-17
J2-35 | TT+
TT- |
J1-15
J1-16 | Circuit_GND
Circuit_GND | Twisted pair no. 9 | -
- | 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 |
