Fig. 24: Rs485/422 Connector; Fig. 25: Connection To The Router With Data Cable Length Less Than 10 M; Table 12: Connector Pinout In Rs-485 Mode - B&B Electronics SPECTRE User Manual

B&B Electronics, Inc.
Connector Pinout
RS-485 Mode
Pin
Signal mark
number
1 GND
2 GND
3 TxRx-
4 TxRx+
5 TxRx-
6 TxRx+
7 +12 V EXT External power supply
8 +12 V EXT External power supply
ATTENTION! The
the jumpers.
Note: In RS-485 mode, pins 3 and 5 and pins 4 and 6 are internally shorted together.
If galvanic separation is required, the converter must use an external power supply.

Fig. 25: Connection to the router with data cable length less than 10 m

Fig. 24: RS485/422 connector

Description
Signal and supply ground
Signal and supply ground
RS485 B (-)
RS485 A (+)
RS485 B (-)
RS485 A (+)

Table 12: Connector Pinout in RS-485 Mode

power supply is selected on the
26
SPECTRE User Manual
Data flow direction
Input/Output
Input/Output
Input/Output
Input/Output
module board using
SPECTRE_User_Manual_2912m
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