cnReach N500 User Guide
Technical Reference
phn-4673_002v000 (March 2018)
3-40
Connections for RS-232
cnReach uses the EIA/TIA-561 standard for RS-232 signals on the serial RJ-45 Port. With the serial port
on the radio configured as RS-232, the following table applies:
Serial RJ-45
Pin #
RS-232 Signal Pinout
EIA/TIA-561
T568B
Wire Color
Connect to these lines on
Serial End Device
1
Data Set Ready (DSR)
White/Orange Data Terminal Ready (DTR)
2
Data Carrier Detect
(DCD)
Orange
DSR/DTR line
3
Data Terminal Ready
(DTR)
White/Green
Data Set Ready (DSR)
4
Signal Ground* (GND)
Blue
Signal Ground* (GND)
5
Receive Data* (RXD)
White/Blue
Transmit Data* (TXD)
6
Transmit Data* (TXD)
Green
Receive Data* (RXD)
7
Clear to Send (CTS)
White/Brown Request To Send (RTS)
8
Request To Send (RTS)
Brown
Clear to Send (CTS)
Note
*
TXD
,
RXD
and
GND
are required as a bare minimum for interfacing most serial end devices to the Ethernet Bridge.
Connections for 4-Wire RS-422/RS-485
When the serial port on the radio is configured to 4-wire RS-422 or RS-485, the following table applies:
Serial RJ-45
Pin #
RS 422/485 Signal
Pinout
T568B
Wire Color
Connect to these lines on
Serial End Device
1
White/Orange
2
Orange
3
White/Green
4
Signal Ground (GND) Blue
Signal Ground (GND)
5
R (A)
White/Blue
Tr (Y)
6
Tr (Y)
Green
R (A)
7
Transmit – (Z)
White/Brown
Receive – (B)
8
Receive – (B)
Brown
Transmit – (Z)
Connections for 2-Wire RS-485
When the serial port on the radio is configured to 2-wire RS-485, the following table applies:
Summary of Contents for cnReach N500
Page 1: ...User Guide cnReach N500 System Release 01 30 900 MHz 700 MHz 450 MHz 220 MHz ...
Page 17: ...Chapter 1 Product Description cnReach N500 Radio Module ...
Page 70: ...cnReach N500 User Guide System Configuration phn 4673_003v000 November 2018 2 38 ...
Page 77: ...cnReach N500 User Guide System Configuration phn 4673_003v000 November 2018 2 45 ...
Page 82: ...cnReach N500 User Guide System Configuration phn 4673_003v000 November 2018 2 50 ...
Page 117: ...cnReach N500 User Guide Technical Reference phn 4673_002v000 March 2018 3 5 ...
Page 122: ...cnReach N500 User Guide Technical Reference phn 4673_002v000 March 2018 3 10 ...
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