Siemens M20 Terminal User Manual

Application notes
Version 8 dated 15.03.00 160
Siemens Information and Communication Products
A
8.2.3 Starting up and logging into the GSM net
LED
1) Insert the SIM card into the M20T. Off
2) Connect the serial cable between the M20 Terminal and the PC. Off
3) Connect the antenna cable and antenna to the M20 Terminal connector. Off
4) Connect the handset to the M20 (optional) Off
5) Connect the M20 Terminal to the power supply and ignition circuit, connect power supply to
mains Off
6) Activate the M20 Terminal by pressing the ignition button on the ignition circuit.
for AT LEAST 1 SECOND (Ignition can be set high before, at the same time, or after power
supply of the M20T)
Blinking LED indicates: M20 ON, searching for Network / Waiting for PIN Blink
Note
: Some Power supplies provided with the M20T have the Ignition signal internally connec-
ted to HIGH. In this case no extra ignition line and circuit is necessary. In this case the green
LED on the M20T starts blinking when the power supply is connected.
Depending on the Terminal program used (Procomm Plus or Hyperterminal) please see the relevant chapter
Ignition Box
When using M20
80 pole SMD Connector:
Power supply DC IN: 6V
Pins:
DC_IN(6V):
IGNITION:
GND
18-22, 58-62
8
17, 23-25, 38, 43, 56,
57, 63-65
When using M20T
Implement as shown
Power supply: 8-24V
To M20T
GND
IGN
+
1
4
6
To M20T
From Power supply
GND
GND
4
1
WESTERN PLUGS
+
IGN
1
4
6
To
M20T
GND
DC IN
POWER
SUPPLY
GND
DC IN
1
4
4 Pole
6 Pole

Siemens M20 Terminal Specifications

General

Brand	Siemens
Model	M20 Terminal
Category	Engine
Language	English