Chapter 1 – Product Description and Specifications
Front Panel
The front panel contains a Power and Status LEDs, two Ethernet LEDs, two modem LEDs, and three signal LEDs. The Power
and Status LEDs indicate that DC power is present and the Status LED blinks when the unit is functioning normally. The two
Ethernet LEDs indicate transmit and receive data on the Ethernet link. The two modem LEDs indicate carrier detection and
link status. The three signal LEDs display the signal strength level of the wirless connection. The SIM door on the right side of
the router provides access to the SIM card holder.
Multi-Tech Systems, Inc. MultiModem rCell User Guide
7
LED Indicators
PWR
Power.
Indicates presence of DC power when lit.
Status
Status.
When functioning normally, the LED blinks. The LED is a solid light when the rCell is booting up, saving
the configuration, restarting, or updating the firmware.
LNK
Link.
Blinks when there is transmit and receive activity on the Ethernet link. It shows a steady light when there is a
valid Ethernet connection.
SPD
Speed.
Lit when the Ethernet is linked at 100 Mbps. If it is not lit, the Ethernet is linked at 10 Mbps.
CD
Carrier Detect.
Lit when data connection has been established.
LS
Line Status Dependent on Model
MTCBA-H-EN2 MTCBA-E-EN2
Continuous “on” state
indicates that the wireless
modem is registered on the
network.
Flashing state
Indicates
attempted registration on
network.
Off state.
Modem could not
register
Permanently off.
ME is in one of the following modes: Power Down mode,
Airplane mode Non-Cyclic Sleep mode with no temporary wake-up event in
progress.
600 ms on/600 ms off
Limited Network Service: No SIM card inserted or no PIN entered, or network
search in progress or ongoing user authentication, or network login in progress.
75 ms on/3 sec off
Idle mode: The mobile is registered to the GSM network (monitoring control
channels and user interactions). No call is in progress.
75 ms on/ 75 ms off/75 ms on/3 sec off
One or more GPRS contexts activated.
500 ms on/ 25 ms off
Packet switched data transfer in progress.
Permanently on
Depending on type of call:
Voice call – Connected to remote party
Data call – Connected to remote party or exchange of parameters while
setting up or disconnecting a call.
Signal
Indicates the wireless signal strength. Refer to Signal Strength LEDs below.
Signal LEDs
In order to verify signal strength, you must use a terminal application such as HyperTerminal. Refer to AT Command for
verifing signal Strength in Chapter 3 of this guide.