ADTRAN Express XRT - Manual (Page 85)

61202.153L3-1 Express XRT User Guide 71
Appendix B
LEDs
LEDs
The Express XRT front panel contains five LEDs associated with
the DTE port and the ISDN interface as shown in Figure B-1 and
described in Table B-A.
Figure B-1
Front Panel LEDs
Table B-A
Express XRT LEDs
LED Color Description
B1 or B2 Slow Green Flash
Fast Green Flash
Off
Solid Green
Solid Amber
Amber Flash
Attempting SPID registration.
Attempting TEI registration.
Ready. No data traffic.
B Channel passing data (in use).
Loopback protocol test (one or both
channels).
Remote test originate.
TD RD B1 B2
TEST
PWR
LINE Express XRT