Instruction manual

61200239L1-20 Express 3010/3110 User Manual B-1
Appendix B
LEDs
LEDS
The Express 3010 front panel contains five LEDs associated with the
DTE port and the ISDN interface as shown in Figure B-1 and described
below.
Figure B-1. Front Panel LEDs
LED Color Description
TD Green Transmit Data (TxD)
RD Green Received Data (RxD)
1 or 2 Slow Green
Flash
Attempting SPID registration.
Fast Green Flash Attempting TEI registration.
Solid Green POTS 1 or 2 in use.
Off Ready. No data traffic.
Amber Flash B channel 1 or 2 passing data.
Solid Amber Remote test originate.
PWR/
LINE
Green (On
Solid)
Off
Flashing
Link Established. Calls can be placed.
No Power.
Link is not established. Calls cannot be
placed.
TD RD
12
PHONE
PWR
LINE
Express 30 10