ADTRAN ATLAS 800PLUS user manual Appendix B. Troubleshooting

Appendix B. Troubleshooting

Table B-1.Troubleshooting (Continued)

SYMPTOM	POSSIBLE CAUSES	TROUBLESHOOTING TIPS
Switched calls are	Misconfiguration	• Verify that the end point has proper call accept/
not working		reject criteria. For RBS applications, check sig-
		naling bit status on the terminal interface for
		proper operation.
		• Verify that the end point is set up for correct sig-
		naling.
Cannot communi-	Misconfiguration, improper	• Verify that ATLAS is receiving commands (press
cate with ATLAS	cabling	keys on terminal and verify that the received byte
with VT 100 con-		count in the front panel increments).
nected to the Con-		• Check cabling, verify that the chain port rate
trol/Chain In Port		matches that of the attached terminal; check
		chain port status leads on the front panel.
Cannot establish	Max Telnet sessions set to	• Verify that the ethernet connection is in place,
Telnet session with	0, IP address of ATLAS	check IP addresses programmed in ATLAS and
ATLAS	does not match remote host	in the Telnet client, verify that session time-out
	IP address	value is not set too low.
		• Check for ethernet port activity on the front pan-
		el. Make sure the link is up, and data is being
		transmitted and received.

B-2 ATLAS 800 PLUS User Manual 61200226L1-1