AirLink Raven II CDPD Modem
Page 2 AirLink Communications, Inc.
The Raven's rugged form factor is ideal for industrial and commercial
applications that require real-time communications. The Raven provides
wireless data communications for a variety of applications, such as oil and
gas monitoring, public safety, automated signs, financial transac tions, and
security systems. It works with Remote Telemetry U nits (RTUs) from several
manufacturers (configuration instructions are detailed in the
Raven/PinPoint User’s Manual).
Front of Raven II Back of Raven II
1.2 Modem LEDs: What They Mean
When the modem is operating, the LEDs on the front panel provide the
following information. (see Finding CDPD Service for more info):
LED Description
Chan The unit has acquired a valid CDPD channel (solid), or is
scanning for CDPD channels (flashing).
Link A link has been established and a TEI (Temporary
Equipment Identifier) has been assigned.
Reg The unit is registered on the CDPD network (solid), or has
switched to a non-preferred side (flashing).
RSSI Flash patterns ident ify different RSSI levels in dBm:
-69 and up
-70 to -79
-80 to -89
-90 to -99
-100 to -113
Solid ON [best reception]
300 ms (fast blink)
600 ms (medium blink)
1200 ms (slow blink)
Off [worst reception]
TxRx The unit is transmitting/receiving blocks of data.
Err Block errors on the forward or reverse channels.
Pwr The unit is powered on.