Leds; Back Panel Connections - Logic Data Systems L-5500 Manual

2.4.2.

LEDs

There are five LEDs on the front panel of the L-5500 unit. Each can display three colors:
Red, Green, and Amber. The definition for each LED is as follows:
LED OFF
No Power
RSSI
SVC No Service
NET No Power
GPS No Power or
Module
Disabled
No Power or
WiFi
Interface
Disabled
2.4.3.

Back Panel Connections

The L-5500 radio modem's back panel connections include:
I/O: I/O interface connector
COM 2: Second serial port (optional, not pictured)
SIM: SIM card slot
GREEN FLASHING
GREEN
Strong RSSI N/A
EV-DO RevA N/A
Network Tx/Rx
Connected Activity
GPS Fix N/A
Valid
Interface N/A
Enabled
Figure 2 - L-5500 radio modem's back panel
Page 5
RED FLASHING
RED
Very Low N/A
RSSI
1xRTT N/A
No Network N/A
Connection
No Fix or N/A
Invalid Fix
N/A N/A
AMBER
Medium or
Low RSSI
EV-DO Rev0
Attempting
Connection
Time Sync
N/A