Installation – Terminal Description
45
4.1.9
RS485 CONNECTOR
PIN No NOTES
A (-)
Two core screened twisted pair cable.
120
Ω
impedance suitable for RS485 use.
Recommended cable type - Belden 9841
Max distance 1200m (1.2km) when using Belden 9841 or direct equivalent.
B (+)
SCR
4.1.10 RS232 CONNECTOR
PIN No NOTES
1
Received Line Signal Detector (Data Carrier Detect)
2
Received Data
3
Transmit Data
4
Data Terminal Ready
5
Signal Ground
6
Data Set Ready
7
Request To Send
8
Clear To Send
9
Ring Indicator
View looking into the male connector on the module
Location of RS232
connector
Location of RS485 connector
Содержание DSE7410
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