HT G11 / G12 GSM Terminal Instruction Manual
5
1.2 Technical Features
Microprocessor based.
HT G11 GSM Terminal operates with 85-265 V AC supply.
HT G12 GSM Terminal operates with 10-30 V DC supply.
It has RS-485, RS-232 and optical port communication channels.
It must be able to communicate with all meters supporting TS EN 62056-
21 protocol.
It can read 32 meters or 247 Modbus devices via RS-485.
It has LEDs that indicate RS-485/Optical/RS-232 (Communication),
GSM connection and internet status.
The data transmission period can be set between 1-240 minutes.
It has a system architecture which does not require static IP.
For the locations of weak GSM network signal, it has wired GSM antenna
support.
It is compatible with M2M SIM Cards of all GSM operators.
The operating ambient temperature of the device is between -10
°C and
+55 °C
.
The power consumption is less than 1 VA.
It has IP40 protection class.
The dimensions of the device (width-length-depth) are 35×110×80mm.
1.3 Terminal Connections
Chart 1.1
SIM Card
SIM Card Slot
Antenna
GSM Antenna Connector (SMA)
AC 85/265 V
DC 10/30 V
AC/DC Power Supply Input
VDD
Optical Reader Supply (6.2 V DC)
RS-232
TX
Optical / RS-232 Data Transmit
RX
Optical / RS-232 Data Receive
GND
Optical / RS-232 Ground
RS-485
A
RS-485 Data +
B
RS-485 Data -