GSM100 U
SERS
M
ANUAL
2.4 Connect the modem to external device
You can use the optional ‘Y’ cable to connect the modem’s Sub-D connector to external controller/computer. Note :
The modem CANNOT be connected to the ‘Line’ jack of a landline telephone directly.
Connection example using optional ‘Y’ cable:
4p4c
pl ug
Handset of phone
Maestro 100 /
Maestro 20
Sub-D 15 pin
c o n n e c to r
DB-9
c o n n e c t or
RS-232 port of PC
2.5 Connecting the DC power supply
Connect the open ending of the included power cord to a DC supply. Refer to the following for power supply
requirement.
Input voltage range
5V – 32V
650mA
Rated current
AC-DC Adaptor
o r b a tte r y
(not included)
Solder wire
e n d i ng s
Connect the connector to the modem. The modem will turn on automatically.
The status indicator on the modem will be lit when power on. After a few seconds it will go flashing slowly
(registered to the network successfully, refer section 1.2.1).
Chapter 3 describes how to communicate with the modem in Microsoft Windows
TM
environment.
DS020-7 Oct ‘06
©2006
REG No 277 4001, ENGLAND.
Page 10
RFSOLUTIONS [ RFSOLUTIONS.LTD ]
