INSTALLATION GUIDE FOR SR-1910
SR-1910 QI
Copyright - refer to title page
Page 27
ENU Status : 1-1-1
3.6 PREPARATION FOR REMOTE CONTROL OF EQUIPMENT USING
WIRELESS MODEM
Wireless Modem
For the equipment variant equipped with wireless modem, the modem provides the option of remote
connection of the equipment via the OMT. The wireless (GSM) modem implements the link for data and
SMS functions.
Note: When CDMA modem is used, only SMS function is supported to retrieve alarm information and to
provide remote control.
The power and data cables have been factory-connected to the wireless modem. User only needs to insert
the SIM / UIM card to the GSM / CDMA modem.
To insert or replace the SIM /UIM card, locate and press down the recessed button (yellow) to eject the SIM
/ UIM card carrier (refer to the following figure). Insert the SIM / UIM card and push back the carrier until it is
latched in place.
SIM card
SIM card carrier
Yellow button
Indicator LED
Modem RF output
(SMA connector)
RS232 port
Power port
SIM card
SIM card carrier
Yellow button
Indicator LED
Modem RF output
(SMA connector)
RS232 port
Power port
Figure 12: Wireless modem
The LED indicator of the wireless modem displays the state of the modem:
z
LED OFF: equipment power off
z
LED ON: equipment power on, no SIM / UIM card or no connection to antenna
z
LED flash slowly: equipment power on, in SMS mode
z
LED flash quickly: equipment power on, in data link mode
Note: Data link mode is dependent on service availability from service operator. If it is required, the
operator’s SIM card must be data-enabled (Circuit Switch Data) and without PIN code.
