
Chapter 5. Connector pin-out
5.1 Instrument connector
This is a SubConn MCBH21M-Titanium. Suitable mating connectors are available from GSL or from SubConn and their distributors. |
Pin | Function | Pin | Function |
1 | Power supply +V | 12 | Z velocity non-inverting |
2 | Power supply 0V | 13 | Z velocity inverting |
3 | Calibration enable | 14 | N/S velocity non-inverting |
4 | Calibration signal | 15 | N/S velocity inverting |
5 | Centre (see text) | 16 | E/W velocity non-inverting |
6 | Response 0 (see text) | 17 | E/W velocity inverting |
7 | Response 1 (see text) | 18 | Signal ground |
8 | Busy (active high, 3.3V via 1kΩ) | 19 | Z mass position |
9 | Digital ground | 20 | N/S mass position |
10 | RS232 transmitted data | 21 | E/W mass position |
11 | RS232 received data |
Wiring details for the compatible socket, as seen from the cable end (i.e. when assembling). |
5.2 CMG-DM24S3EAM/OBS Input connector
This is a SubConn MCBH21F-Titanium. Suitable mating connectors are available from GSL or from SubConn and their distributors. |
Pin | Function | Pin | Function |
1 | Power supply +V | 12 | Z velocity + (non-inverting) |
2 | Power supply 0V | 13 | Z velocity - (inverting) |
3 | Calibration enable | 14 | N/S velocity + (non-inverting) |
4 | Calibration signal | 15 | N/S velocity - (inverting) |
5 | Centre (see text) | 16 | E/W velocity + (non-inverting) |
6 | Not connected | 17 | E/W velocity - (inverting) |
7 | Not connected | 18 | Signal ground |
8 | Busy (active high, 3.3V via 1kΩ) | 19 | Z mass position |
9 | Digital ground | 20 | N/S mass position |
10 | PortSA1 TxD | 21 | E/W mass position |
11 | PortSA1 RxD |
Wiring details for the compatible plug, as seen from the cable end (i.e. when assembling). |
5.3 CMG-DM24S3EAM/OBS Digital connector
This is a Teledyne MHDXL-12-FCR plug. Suitable mating connectors are available from GSL or from Teledyne and their distributors. |
Pin | Function |
1 | Power ground |
2 | PPS + (non-inverting) |
3 | Digital ground |
4 | Rx - (eth0 or RS422) |
5 | Tx - (eth0 or RS422) |
6 | NMEA - (inverting) |
7 | NMEA + (non-inverting) |
8 | Tx + (eth0 or RS422) |
9 | Rx + (eth0 or RS422) |
10 | Power +ve (18-75 V DC) |
11 | PPS - (inverting) |
12 | Not connected |
Wiring details for the compatible socket, as seen from the cable end (i.e. when assembling). |