User`s manual

OnCell G3111/G3151/G3211/G3251 Series User’s Manual Introduction
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Product Features
All models in the G3111/G3151/G3211/G3251 have the following features:
 Quad-band 900/1800, 850/1900 MHz GSM/GPRS.
 Versatile operation modes, including Real COM, Reverse Real COM, RFC2217, TCP Server,
TCP Client, UDP, Ethernet Modem, and SMS Tunnel.
 Private IP management software.
 Port buffering function to prevent loss of serial data when communication is disrupted.
 Adjustable baudrate feature for easy configuration of custom baudrates.
 LED indicators for status and signal level.
Product Specifications
Cellular Interface
Standards GSM/GPRS
Band Options Quad-band 850/900 and 1800/1900 MHz
GPRS Multi-slot Class Class 10
GPRS Terminal Device Class Class B
GPRS Coding Schemes CS1 to CS4
Tx Power 1 watt GSM 1800/1900, 2 watts EGSM 850/900
SIM Control 3 V
LAN Interface
Number of Ports 1 (for configuration only)
Ethernet 10/100 Mbps, RJ45 connector, Auto MDI/MDIX
Magnetic Isolation Protection 1.5 KV built-in
SIM Interface
Number of SIMs 1
SIM Control 3 V
Serial Interface
Number of Ports 1 or 2
Serial Standards G3111: 1 RS-232 port
G3151: 1 RS-232/422/485 port
G3211: 2 RS-232 ports
G3251: 2 RS-232/422/485 ports
ESD Protection 15 KV
Power EFT/
Surge Protection
2 KV
Serial Communication Parameters
Parity None, Even, Odd, Space, Mark
Data Bits 5, 6, 7, 8
Stop Bit(s) 1, 1.5, 2 (when parity = None)
Flow Control RTS/CTS, XON/XOFF
Baudrate 50 bps to 921.6 Kbps