Airlink user manual Front of Raven IIBack of Raven Modem LEDs What They Mean, Description

AirLink Raven II CDPD Modem

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 transactions, and security systems. It works with Remote Telemetry Units (RTUs) from several manufacturers (configuration instructions are detailed in the Raven/PinPoint User’s Manual).

Front of Raven IIBack 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 identify different RSSI levels in dBm:
	-69 and up	Solid ON [best reception]
	-70 to -79	300 ms (fast blink)
	-80 to -89	600 ms (medium blink)
	-90 to -99	1200 ms (slow blink)
	-100 to -113	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.

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