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LEDs
Appendix B
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.
Express 30 10
LED
Color
TD
Green
RD
Green
1 or 2
Slow Green
Flash
Fast Green Flash
Solid Green
Off
Amber Flash
Solid Amber
PWR/
Green (On
LINE
Solid)
Off
Flashing
61200239L1-20
Express 3010/3110 User Manual
1
TD
RD
PHONE
Figure B-1. Front Panel LEDs
Description
Transmit Data (TxD)
Received Data (RxD)
Attempting SPID registration.
Attempting TEI registration.
POTS 1 or 2 in use.
Ready. No data traffic.
B channel 1 or 2 passing data.
Remote test originate.
Link Established. Calls can be placed.
No Power.
Link is not established. Calls cannot be
placed.
2
PWR
LINE
B-1
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