
B&B Electronics, Inc. SPECTRE User Manual
SPECTRE_User_Manual_2912m
www.bb-elec.com
www.bb-europe.com
Fig. 26: Connection to the router with data cable length more than 10 m
With a RS-485 data cable more than 10m, it is necessary to use overvoltage protection
on the router side!
RS-422 Mode
Signal and power supply ground
Signal and power supply ground
Table 13: Connector Pinout in RS-422 Mode
ATTENTION! The power supply is selected on the module board using
the jumpers.
If galvanic separation is required, the converter must use an external power supply.
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