Westermo DR-250 User's Guide download pdf (Page 10)

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Interface specifications

Power

Rated voltage 10 – 28 VDC

Rated current 1500 mA @ 12 VDC

Rated frequency DC

RS-232

Electrical specification RS-232 V.24

Data rate 300 bit/s – 115.2 kbit/s

Data format 7 or 8 data bits, Odd, even or no parity, 1 or 2 stop bits

Transmission range 2 m

Connection 25-pin D-sub female (DCE)

Ethernet

Electrical specification IEEE std 802.3. 2000 Edition

Data rate 10 Mbit/s or 100 Mbit/s, auto-negotiated

Protocol UDP, TCP, ICMP, HTTP and ARP

Duplex Full- or half duplex, auto-negotiated

Circuit type TNV-1

Transmission range 100 m

Connection RJ-45 shielded, auto MDI/MDI-X

Antenna (option)

Frequency bands GSM1800 TX 1710 – 1785 and RX 1805 – 1880 MHz

UMTS2100 TX 1920 – 1980 RX 2110 - 2170

Data rate CSD: up to 14.4 kbit/s

GPRS: up to 85.6 kbit/s

Connection SMA female, impedance: 50 ohm

SIM (option)

Electrical specification 3 volts SIM supported

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Westermo DR-250 User's Guide Page 10