User's Manual GSM Terminal GT340
Device Description
3 Device Description
GSM Terminal GT340 is enclosed in 88x58x28mm aluminum desktop housing. By obtaining
optional adapter, it can be mounted on DIN 35 mm rail.
Front panel contains slot for micro SIM card, SMA connector for GSM antenna and LEDs for
indication of power supply and activity of GSM network.
Rear panel contains DB9 female connector for RS232 DCE serial interface and pluggable screw
clamp connector for DC power supply.
3.1 SIM card
Device supports standard Micro SIM card designed for 1.8V/3.0V voltage. SIM card holder is
push-push type.
Please pay attention to the direction of the card when inserting into the slot. Follow the
drawing on the front panel of the device.
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Fig. 2: Front and rear panel connectors
Fig. 3: Micro SIM card