beautypg.com

Connections – Westermo DR-250 User Manual

Page 11

background image

11

6622-2211

SIM Card Sockets
The two sockets at the left side of the front panel are for the GSM SIM card(s)
that you will receive from your service providers. Details of how to insert these
correctly are given on page 13.

Antenna

interface

Connections

Power interface cord

Cable

Description

Black

– VDC

Red

+ VDC

Ethernet interface

Ethernet interface

RS-232
interface**

USB Host Connectors*

LED Indicators

(for details

see next page)

*

The USB host connectors may be used

to connect compatible USB 2.0 client
devices such as memory sticks, serial
adapters, etc. Note that the total cur-
rent available to power USB devices is
collectively 0.5A (i.e. for both ports).

**

RS-232 D-sub

25-position

Direction

Description

No. 2

In

Transmit Data (TD)

No. 3

Out

Receive Data (RD)

No. 4

In

Request To Send (RTS )

No. 5

Out

Clear To Send (CTS)

No. 6

Out

Data Set Ready (DSR)

No. 7

Signal ground (SG)

No. 8

Out

Data Carrier Detect (DCD) )

No. 15

In

Transmitter Clock (TxC)

No. 17

Out

Receiver Clock (RxC)

No. 20

In

Data Terminal Ready (DTR)

No. 24

In

External Transmitter Clock (ETC)

Antenna

interface