Allied Motion Spectrum Controls 2706-P22-SC User Manual page 144

B-10 Appendix B: Installing InView Marquee 2706-P4xC2-SC Message Displays
Comms Module with power and
RS-485 communications wiring
Display with power
and RS-485
communications
wiring from
Comms Module
(serial)
1. Connect the incoming serial wires from the Comms module to the following terminal
connection points:
Display Pin Number
1
2
3
4
Jumper between 4 and
5
2. Shielded RS-485 cable is recommended. Connect the shield of the cable to the SHIELD
terminal.
3. Terminate both ends of all RS-485 buses. The last sign in an RS-485 bus should be
terminated by placing a jumper between the RS-485T and RS-485-(B) terminals. The jumper
User's Manual 0300277-03 Rev. A
RS-485 Communication:
Terminal Connection Point
Green: EGROUND
Blue: SHIELD
White: RS485-(A)
Brown: RS485-(B)
Yellow: RS485T/RS485-(B)