NB2800
User Manual for NRSW version 4.5.0.100
3.4.10. RS-232
The RS-232 port is specified as follows (bold characters show the default configuration):
Feature Specification
Protocol 3-wire RS-232: GND, TXD, RXD
Baud rate 300, 1 200, 2 400, 4 800, 9 600, 19 200, 38 400,
57 600, 115 200, 230 400, 460 800
Data bits 7 bit, 8 bit
Parity none, odd, even
Stop bits 1, 2
Software flow control none, XON/XOFF
Hardware flow control none
Galvanic isolation to enclosure none
Max. cable length 10 m
Cable shield not required
Table 3.16.: RS-232 Port Specification
For connector type and pin assignment check chapter 3.4.11.
3.4.11. 6 Pin Terminal Block
The power supply and the serial interface shares the 6 pin terminal block.
Feature Specification
Connector type 6 pin terminal block header 5.0 mm
Table 3.17.: Terminal block connector
Pin Assignment
Pin Name Description
PWR
1 VGND Power Ground
2 V+ Power Input (12 VDC to 48 VDC)
3 IGN Ignition Input (12 VDC to 48 VDC)
RS232
4 RxD RS-232 RxD (non-isolated)
5 TxD RS-232 TxD (non-isolated)
6 GND RS-232 GND (non-isolated)
Table 3.18.: Pin Assignments of Terminal Block
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