Error Codes - AT&T MERLIN LEGEND Release 3.1 Maintenance And Troubleshooting Manual

Index
DN, see Directory Number (DN)
E
Electromagnetic interference
information, A-2
Equal Access Codes, A-7
Error code display, 1-19
Error codes, 2-5–2-23
Error events, 4-102–4-4
Error log
checking, 1-23–1-24, 2-2–2-5
interpreting error codes, 2-5–2-23
last 10 errors, 2-5
overview, 2-1
permanent errors, 2-4
printing, 2-2
transient errors, 2-4
trouble accessing, 1-24
Error messages
B-Channel Loopback Test, 4-60
Board Controller Test, 4-55
CSU Loopback Test, 4-100
firmware upgrade, 4-70–4-74
forced installation, 4-25–4-28
Internal Loopback Test, 4-51
NI-BRI Provisioning Test, 4-80–4-86
Error threshholds, 2-2
ESF T1 Channel Service Unit (CSU),
4-92
ESF T1 CSU DTE Loopback Test, 4-92–
4-100
Exchange Codes, A-7
Extension
busy-out, 5-16–5-18
maintenance-busy status, 5-10–5-12
restoring, 5-22–5-24
F
Feature Access Code, 3-6
Feature module, replacing
diagram, 4-32
procedure, 4-31–4-33
Federal Communication Commision
(FCC), A-2
Forced installation
codes displayed during, 4-25–4-26
error conditions during, 4-25–4-29
procedure, 4-20–4-25
summary, 4-19–4-20
Frigid start, 1-22, 4-17–4-19, see System
Erase
Front cover
MERLIN II communication system,
1-15–1-16
Release 2.1 or later, 1-15–1-16,
5-37, 5-39
H
Hardware vintage, 2-25
Helpline, AT&T, A-1
Housing
installing
Release 2.1 or earlier, 5-40–5-42
Release 2.1 or later, 5-36–5-39
removing, 1-15–1-16
Hybrid/PBX mode, 1-27
I
ICLID, see Incoming Call Line
Identification
Incoming Data Call Test, 4-89–4-90
Incoming trunk, 5-4–5-5
Incoming Voice Call Test, 4-87–4-88
Maintenance and Troubleshooting
IN–3