Connecting The Antenna, Serial Or Usb Cable, Power, Optional Power Or Voice Cable - Multitech MultiModem Cell MTCBA-E1 User Manual

Connecting the Antenna, Serial or USB Cable, Power, Optional
Power or Voice Cable
MTCBA-H5 models do not support voice. The Voice jack is not included on MTCBA-H5 models.
Connect a suitable antenna to the ANT connector on the right side of the unit. See antenna specifications in Chapter
1.
1.
If you are connecting to a serial interface, connect a serial cable to the RS232 connector on the back of the unit and
2.
connect the other end of the serial cable to the serial port on your PC.
If you are connecting to an USB interface, connect an USB cable to the USB connector on the back of the unit and the
other end to the USB port on your PC.
Set the 4-position DIP Switch on the back of the unit to the configuration of your unit.
3.
Note: DIP switch not supported on H5 models.
Switch Position
Position 1
Position 1
Positions 2-4
Position 2
Position 2
Position 3
Position 3
Position 4
Position 4
Note: Positions 2 and 3 should only be used in RS422 Mode. Enabling TXD/RTS termination may be required
to avoid errors at high bit rates or long cable lengths. The cable is tested up to 1,000 feet but the maximum
may be more with termination enable and lower data rates.
If you are connecting a hand set to the unit for voice communication, connect an RJ11 cable from the hand set to the
4.
VOICE connector on the back of the unit. To adjust the volume of the hand set, refer to the appropriate AT
Command Reference Guide.
Depending on the power source, connect either the power supply module with the appropriate blade or the optional
5.
DC power cable. If you are using the power supply module, remove the protective shipping cover. Attach the
appropriate interchangeable blade piece to the power supply module.
Screw-on the power lead from the power supply module to the power connection on the modem. Now, plug the
power supply into your power source.
MultiModem Cell User Guide
Up/On
Description
Down/Off
Off DTR Reset Disabled
On DTR Reset Enabled
Only valid for serial builds
Off No TXD Terminiation
On TXD Diff Pair Terminated
Off No RTS Termination
On RTS Diff Pair Terminated
Off RS232 Mode
On RS422 Mode
Chapter 2 – Activating and Installing
17