User guide

Chapter 1 – Product Description and Specifications
Multi-Tech Systems, Inc. MultiModem rCell User Guide 7
15B15BFront Panel
The front panel contains Power and Status LEDs, two Ethernet LEDs, two modem LEDs, and three signal LEDs. The Power
LED indicates that DC power is present and the Status LED blinks when the unit is functioning normally. The two Ethernet LEDs
indicate transmit and receive activity and connection speed of 10 or 100Mbps 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 wireless connection. The
SIM door on the right side of the router provides access to the SIM card holder.
LED Indicators
Power
Indicates presence of DC power when lit.
Status
The LED is a solid light when the rCell is booting up, saving the configuration, restarting, or updating the
firmware. When the Status LED begins to blink, the router is ready.
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.
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
Signal
ALL OFF - Unit is off, not registered on network, or extremely week signal (0 < = RSSI < 6).
1 Bar “ON” – Very weak signal (7 < = RSSI <14)
1 Bar and 2 Bar “ON” – Weak signal (15 < = RSSI <23)
1 Bar, 2 Bar, and 3 Bar “ON” – Good signal (24 <= RSSI > = 31)