01-09-09
Written by Darren Bagshaw v1.1 1
Configuring the Siemens TC35 modems for
use with the MI2292
The following instruction describe how to set up GSM communication between an MI2292 Power
Quality Analyser Plus and a computer
1. Equipment Required
o 2 x Siemens TC35 modems
o 2 x Siemens power adaptors
o 2 x Aerial for TC 35 modem
o 2 x GSM enabled SIM cards
o 1 x Male to Female Serial cable
(RS232 standard with MI2292)
o 1 x Male to Male Serial Cable
(RS232 standard with MI2292)
o 1 x MI2292 Power Quality Analyser
Plus
o 1 x PC with 9 pin serial (RS232) connection
2. Inserting the SIM cards into the Siemens modems
In order for the GSM modems to operate, a GSM enabled SIM card
must be inserted into the GSM modems. In order to perform this task:
2.1.Locate the SIM card slot on the front of the modem.
2.2.Ensure the Modem is unplugged and switched off.
2.3.Using a pen, push in the yellow button next to the SIM card
slot and, at the same time, slide out the tray for the SIM chip
(a pair of tweezers may also be required. At no point should
force should be applied to remove the tray).
2.4.Insert the SIM into the tray so that the gold contacts face up, away from the black plastic.
2.5.Reinsert the tray back into the modem and ensure that the tray is firmly closed.
3. Connecting the modem to the computer
3.1.Connect the male to female serial (RS232) cable to the serial port of the computer. Connect
the other end of the Siemens TC35 GSM modem.
3.2.Connect the aerial to the modem and ensure this is screwed in tightly
3.3.Connect the power to the back port of the TC35 modem (the port next to the serial
connector) and switch the unit on.
3.4.Switch on the computer
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