Pinouts
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This page contains pinout information for the connectors on the LabSat 4 (P) units.
Connector 1 - POWER (2-pin Lemo)
Connector | Pin | I/O | Function | Range |
---|---|---|---|---|
1 | I | Power + | 8 to 30 V | |
2 | I | Ground | 0 V |
Connector 2 - RF OUT (SMA)
Connector | Pin | I/O | Function | Range |
---|---|---|---|---|
Center | O | RF Signal Output | - | |
Chassis | - | Ground | - |
Connector 3 - RF IN/OUT (SMA)
Connector | Pin | I/O | Function | Range |
---|---|---|---|---|
Center | I | RF Signal Input (DC bias for active antenna) | Bias output 2.8 to 3 V | |
Chassis | - | Ground | - |
Connector 4 - REF (SMA)
Connector | Pin | I/O | Function | Range |
---|---|---|---|---|
Center | I/O | 10 MHz Reference Clock Input/Output | - | |
Chassis | - | Ground | - |
Connector 5 - Expansion Port (36-way MDR)
Pin | Name | I/O | Function | Range |
---|---|---|---|---|
1 | 1PPS | O | Signal from internal GNSS monitor that becomes active when the monitor is locked. | 5 V level - max 25 mA |
2 | DIGO 1 | O | Digital Output for User. | 5 V level - max 25 mA |
3 | DIGI 1 | I | Digital Input for User. | Up to 12 V input level. Detection threshold=2.5 V |
4 | - | - | - | - |
5 | - | - | - | - |
6 | DIGO 2 | O | Digital Output for User. | 5 V level - max 25 mA |
7 | - | - | - | - |
8 | DIGI 2 | I | Digital Input for User. | Up to 12 V input level. Detection threshold=2.5 V |
9 | - | - | - | - |
10 | CAN 1 H | I/O | CAN bus - High - Channel 1 . | Standard ISO11898 voltage signal levels for CAN |
11 | CAN 1 L | I/O | CAN bus - Low - Channel 1. | Standard ISO11898 voltage signal levels for CAN |
12 | CAN 2 H | I/O | CAN bus - High - Channel 2. | Standard ISO11898 voltage signal levels for CAN |
13 | CAN 2 L | I/O | CAN bus - Low - Channel 2. | Standard ISO11898 voltage signal levels for CAN |
14 | I2C SDA | I/O | I2C bus data - Reserved for future use. | - |
15 | I2C SCL | I/O | I2C bus data - Reserved for future use. | - |
16 | I2C VCC | I/O | I2C bus data - Reserved for future use. | - |
17 | RS232 Tx | O | RS232 data output. NMEA data from GNSS monitor or user-specified RS232 data if enabled. | Standard RS232 level. |
18 | RS232 Rx | I | User-specified RS232 data that is recorded if RS232 is enabled in the Digital configuration menu. | Standard RS232 level. |
19 | Ground | O | Ground connection. | - |
20 | Ground | O | Ground connection. | - |
21 | Ground | O | Ground connection. | - |
22 | - | |||
23 | - | |||
24 | - | |||
25 | - | |||
26 | - | |||
27 | - | |||
28 | IO_0 | I/O | Reserved. | |
29 | IO_1 | I/O | Reserved. | |
30 | IO_2 | I/O | Reserved. | |
31 | IO_3 | I/O | Reserved. | |
32 | - | |||
33 | Ground | O | Ground connection. | |
34 | Ground | O | Ground connection. | |
35 | Power | O | Connected to input power. | Max 250 mA. |
36 | Power | O | Connected to input power. | Max 250 mA. |