Westermo GD-01 - Manual (Page 6)

6 6196-2211
Specifications
GSM services
Circuit Switched Data Asynchronous transparent or non-transparent
up to 14 400 bit/s
MNP2 error correction and V.42 bis data compression
Fax Fax group 3 (Class 1 and Class 2)
SMS 160 characters text or PDU
Point to point (MT/MO)
Cell broadcast
GPRS (optional) GPRS Class 2, Class B
Coding scheme: CS1 to CS4
Connections
Power interface
Rated voltage 12–36 V DC
Rated current @12 V DC: 200 mA / 40 mA
on line mode/ @24 V DC: 100 mA / 20 mA
idle mode @36 V DC: 67 mA / 17 mA
Connection Screw connector
Circuit type Power network
Special factors Reverse polarity protected
Communication and service interface, RS-232
Electrical specification RS-232
Data rate 300–115 200 bit/s
Data format 7 or 8 databits, Odd, Even, None, Mark or Space parity
Connection 9-pin D-sub and 5-pin screw connector
Circuit type SELV, max 15 m length, shielding not required
Communication interface, RS-422/RS-485 (only in GD-02)
Electrical specification RS-422/485
Data rate 300–115 200 bit/s
Data format 7 or 8 databits, Odd, Even or None parity
Connection 5-position screw block
Circuit type TNV-1, twisted pair, shielding not required
Special factors Bus turning time < 1.5 bit time