ADTRAN 336048VUR-2, 3360.9VU01, 1200153L2, XRT Appendix B LEDs, Table B-A, Led, Color Description

Appendix B. LEDs

Appendix B

LEDs

LEDs

The Express XR/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.

TD	RD	B1	B2	PWR
Express XRT		TEST		LINE

Figure B-1

Front Panel LEDs

		Table B-A
		Express XR/XRT LEDs
LED	Color	Description
B1 or B2 Slow Green Flash		Attempting SPID registration.
	Fast Green Flash	Attempting TEI registration.
	Off	Ready. No data traffic.
	Solid Green	B channel passing data (in-use).
	Solid Amber	Loopback protocol test
		(one or both channels).
	Amber Flash	Remote test originate.
PWR/Line	Green (On Solid)	Link established.
		Calls can be placed.
	Off	No Power.
	Flashing	Link is not established.
		Calls cannot be placed.
TD	Green	Transmit Data (TxD).
RD	Green	Received Data (RxD).

61200.153L1-13 Express XR/XRT Quick Start Guide 63