User guide

LEDS, CONNECTORS, AND SPECIFICATIONS
LEDs, Connectors, and Specifications
Front
MTCMR-E1, -G2, -H5 MTCMR-C1, -C2, -EV2, -EV3
LEDs
LED Description
TD Transmit Data: Lights when device transmits data. Not valid while in USB mode.
RD Receive Data: Lights when device receives data. Not valid while in USB mode.
CD Carrier Detect: Lights when there is a data connection. Not valid while in USB mode.
LS Link Status: LED behavior depends on model.
H5, C2, EV3, and EV2 G2 and C1 models E1 model
models Note: Set AT^SSYNC to 1 for
the following default LED
timings:
Continuous ON indicates Continuous ON indicates Continuous ON indicates connected to
device is powered on and device is not registered on the remote party (CSD call).
registered on the network. network.
Slow flashing (5 seconds) Flashing at 200 ms on / 2 sec Flashing at 600 ms on/600 ms off is
indicates device is on and indicates registration on limited network service: No SIM card
searching for a network. network. inserted or no PIN entered, or network
search in progress or ongoing user
authentication, or network login in
progress.
Fast flashing (0.3 seconds) Flashing at 200 ms on / 600 Flashing at 75 ms on/3 sec off is idle
indicates device is ms off indicates it is registered mode: Registered to the GSM network
transmitting or receiving. on a network and (monitoring control channels and user
communication is in progress. interactions). No call is in progress.
MultiModem
®
iCell MTCMR User Guide 11