Farallon Communications 612 User Manual
Page 103

Troubleshooting
7-3
B2
Yellow
or
green
B-2 Channel Indicator. The activity state of the B-2 channel. Green indicates
a data call. Yellow indicates an analog (voice) call.
■
If a call is in a dialing state, the LED flashes.
■
When a call is active, the LED stays lit. (The color of the LED (green or
yellow) indicates if the call is a data call or an analog call.)
■
When the call is disconnected, the LED goes off.
Send
Green
Send Data. Indicates that information is being transmitted over the serial
data por t from the computer to the ISDN modem.
Receive
Green
Receive Data. Indicates that information is being transmitted over the serial
data por t to the computer from the ISDN modem.
Ready
Green
Data Terminal Ready. Indicates that communication between the ISDN
modem and the computer has been established.
LED
Color
Description