Specifications
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057-179 ISSUE: 3
3.6 RS485 CONNECTOR
This socket provides support for connection to a maximum of five DSE controllers in a daisy chain
RS485 network.
Ensure termination resistors (120
) are fitted as shown to the ends of the link as per RS485
standard.
PIN No
NOTES
A (-)
Two core screened twisted pair cable.
120
impedance suitable for RS485 use.
Recommended cable type - Belden 9841
Max distance 1200 m (1.2 km) when using Belden 9841 or direct equivalent.
B (+)
SCR
DSE892