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Trimble ThunderBolt E GPS Disciplined Clock User Guide 29
Hardware Integration 3
I/O connector pin-out
The RS-232 serial port uses a DB-9 connector. This configuration supports connections
to the RS-232 serial port on a computer. The pinout functions are as follows.
Power supply and connector
The ThunderBolt E starter kit includes a 24 V power supply regulator. The module
requires a locally supplied +24 VDC. Power consumption is 15 Watts cold and 10 Watts
steady state.
Use the following to connect to the ThunderBolt E power input:
Pin Function Signal / Protocol
1 Not used
2 TxD Transmit out/RS-232
3 RxD Receive in RS-232
4 Not used
5 Signal ground
6 Not used
7 Not used
8 Not used
9 Not used
MOLEX part number Item Quantity
MLX 39-01-2020 Connector plug 1
MLX 44476-112 Contact pin 2