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
ATLA S
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