ADTRAN ATLAS 800PLUS, User Manual

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Appendix B. Troubleshooting
B-2 ATLAS 800
PLUS
User Manual 61200226L1-1
Switched calls are
not working Misconfiguration • Verify that the end point has proper call accept/
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-
cate with ATLAS
with VT 100 con-
nected to the Con-
trol/Chain In Port Misconfiguration, improper
cabling • Verify that ATLAS is receiving commands (press
keys on terminal and verify that the received byte
count in the front panel increments).
• Check cabling, verify that the chain port rate
matches that of the attached terminal; check
chain port status leads on the front panel.
Cannot establish
Telnet session with
ATLAS Max Telnet sessions set to
0, IP address of ATLAS
does not match remote host
IP address • Verify that the ethernet connection is in place,
check IP addresses programmed in ATLAS and
in the Telnet client, verify that session time-out
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.
Table B-1.
Troubleshooting (Continued)
SYMPTOM POSSIBLE CAUSES TROUBLESHOOTING TIPS