Sprint Nextel 550 - Manual (Page 138)

Section 5: Technical Specifications
132 5A: Technical Specifications
LED Operation
The PCS Connection Card has a single red/green LED on the antenna
end of the card. The LED operates as follows:
*Both red and green are lit.
Table 1: LED Operation
LED Behavior Indicates
Solid amber* The card is powering up.
Blinking amber The card is searching for a channel.
Solid green A call is in progress.
Blinking green The card has acquired a channel and is in idle mode (no
call is in progress).
Solid red An error has occurred.