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CHAPTER 1
INTRODUCTION
Fargo Maestro 100 / Fargo Maestro 20 is a ready-to-use GSM modem for voice, data, fax and SMS
services. It also supports GPRS Class 10(Fargo Maestro 100) or Class 2(Fargo Maestro 20) for hi-
speed data transfer. Fargo Maestro 100 / Fargo Maestro 20 can be easily controlled by using AT
command for all kinds of operations. With standard 9-pin RS232 port and telephone-like audio plug (via
optional cable) the Maestro 100 / Fargo Maestro 20 can be set up with minimal effort.
1.1. Package
The Fargo Maestro 100 / Fargo Maestro 20 package should include the following:
1.Fargo Maestro 20 or Fargo Maestro 100 x 1
2. Power cord with fuse x 1
3. Safety note x 1
1.2. Interfaces
1.2.1. Status indicator
The LED will indicate different status of the modem:
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off
Modem switched off
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on
Modem is connecting to the network
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flashing slowly Modem is in idle mode
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flashing rapidly Modem is in transmission/communication (GSM only)
1.2.2. SMA female antenna connector
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Connect this to an external antenna with SMA male connector. Make sure the antenna is for the
GSM900/1800 frequency with impedance of 50ohm, and also connector is secured tightly.
SIM holder eject button
Status indicator
SIM holder
4-PIN connector (Power, Input / Output)
15 pin Sub-D Female Connector
(RS232/Audio)
SMA female antenna connector
