Westermo MRD-315 User Manual
Page 17
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6623-2250
SIM card 2 drawer
eject button
Connections MRD-355 and MRD-455
Serial Port (DCE Female)
Position
Name
Direction
Description
5
1
9
6
1
DCD
Out
Data Carrier Detect
2
RxD
Out
Receive Data
3
TxD
In
Transmit Data
4
DTR
In
Data Terminal Ready
5
SG
–
Signal Ground
6
DSR
Out
Data Set Ready
7
RTS
IN
Request to Send
8
CTS
Out
Clear to Send
9
RI
Out
Ring Indicator
Led indicators
Antenna
Protective earth
SIM card drawers
Factory default
reset switch
Power connector
SIM card 1 drawer
eject button
Ethernet TX Connections
(RJ-45 connector) LAN1-2
Position Direction
Description
1
In/Out
TD+
2
In/Out
TD–
3
In/Out
RD+
4
–
Not Connected
5
–
Not Connected
6
In/Out
RD–
7
–
Not Connected
8
–
Not Connected
Antenna
connection