Hardware
TransPort WR21 hardware
Digi TransPort WR Routers User Guide
38
TransPort WR21 serial pinout
Note that
all TransPort serial ports are DCE
.
RS232 pinout
RS422/ RS485 pinout
Notes
▪
For true RS485 mode (2-wire half-duplex mode), the
TD+
and
RD+
pair and
TD-
and
RD-
pair
should be connected together.
▪
The
CTS
and
RTS
signals are optional and not normally needed for RS485.
Pin #
Direction
RS232 DCE
Description
1
Out
DCD
Data Carrier Detect
2
Out
RXD
Receive Data
3
In
TXD
Transmit Data
4
In
DTR
Data Terminal Ready
5
N/A
GND
Ground
6
Out
DSR
Data Set Ready
7
In
RTS
Ready To Send
8
Out
CTS
Clear To Send
9
Out
RI
Ring Indicate
Pin #
Direction
RS422/ RS485
Description
1
Out
CTS-
Clear To Send -
2
Out
RD+
Receive Data +
3
In
TD+
Transmit Data +
4
In
RTS_B RTS-
Ready To Send -
5
N/A
GND
Ground
6
Out
RD-
Receive Data -
7
In
RTS+
Ready To Send +
8
Out
CTS+
Clear To Send +
9
In
TD-
Transmit -
WWAN
SECONDARY
SERIAL 0
9-30VDC
2A MAX
WWAN
PRIMARY
LAN 1
LAN 0
SERIAL 0
Pin 1
Pin 9
Summary of Contents for TransPort WR11
Page 1: ...User Guide Digi TransPort WR Routers ...
Page 650: ...Configure system settings NTP parameters Digi TransPort WR Routers User Guide 650 ...
Page 661: ...Configure system settings General system parameters Digi TransPort WR Routers User Guide 661 ...
Page 662: ...Configure system settings General system parameters Digi TransPort WR Routers User Guide 662 ...
Page 663: ...Configure system settings General system parameters Digi TransPort WR Routers User Guide 663 ...
Page 682: ...Configure Remote Management SNMP parameters Digi TransPort WR Routers User Guide 679 ...
Page 683: ...Configure Remote Management SNMP parameters Digi TransPort WR Routers User Guide 680 ...
Page 813: ...Manage networks and connections Top Talkers Digi TransPort WR Routers User Guide 808 ...
Page 814: ...Manage networks and connections Top Talkers Digi TransPort WR Routers User Guide 809 ...
Page 815: ...Manage networks and connections Top Talkers Digi TransPort WR Routers User Guide 810 ...
Page 816: ...Manage networks and connections Top Talkers Digi TransPort WR Routers User Guide 811 ...
Page 817: ...Manage networks and connections Top Talkers Digi TransPort WR Routers User Guide 812 ...
Page 818: ...Manage networks and connections Top Talkers Digi TransPort WR Routers User Guide 813 ...
Page 855: ...Device administration Reboot the router Digi TransPort WR Routers User Guide 844 ...