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D2.1.2 Configuring the MultiTech Modem (MT9234SMI)
PC
9-Pin Female
"D" Connector
P1
5 = GND
4 = DTR
8 = CTS
3 = TXD
7 = RTS
2 = RXD
6 = DSR
1 = DCD
Figure D2. Internal Modem Configuration P/N 392843-01-3 Full-duplex Null Modem
Cable Diagram
Revised Dec-2013
Mount the MultiTech Modem to the ECOM Module making sure
3.
that the interface connectors (J6, J7, J9 & J10 on the ECOM
Module) align.
Plug the antenna cable(s) (if present - removed in Step 2) into the
4.
appropriate RF connector of an installed radio module(s).
Snap the cover panel onto the ECOM Module PCB and insert the
5.
ECOM Module into the appropriate backplane slot, i.e., Slot 3 or 4.
Apply power and test the unit.
6.
To configure a model MT9234SMI Modem (installed on an ECOM
Module), perform the following steps:
If required, remove the ECOM Module from the controller (see
1.
Figure D1).
Place the modem into configuration mode by setting ECOM
2.
Module jumper JP2 onto pins 2 and 3. This enables
configuration of the modem through Comm. Port 4 for modem
on ECOM1 or through COMM. Port 8 for modem on ECOM2.
Connect a full duplex ControlWave null modem cable (see
3.
Figure D3) between a PC and Comm. Port 4 (ECOM1) to
configure modem on ECOM1 or Comm. Port 8 (ECOM2) to
configure modem on ECOM2.
To P2 Pin-5
Wire T erminal S ide
To P2 Pin-6
Cable Connectors)
To P2 Pin-2
To P2 Pin-1
To P2 Pin-3
To P2 Pin-4
To P2 Pin-7
Open HyperTerminal on the PC and set the PC communication
4.
port settings as follows:
Modem Installation
ControlWave EFM Instruction Manual
(Looking into
of
or
vice
versa
CW u/CW EFM
9-Pin Female
"D" Connector
P2
1 = DCD
6 = DSR
2 = RXD
7 = RTS
3 = TXD
8 = CTS
4 = DTR
5 = GND
D-3
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Troubleshooting
