Digital Multiline Terminal Fault - NEC UNIVERGE SV8300 System Maintenance Manual

Digital Multiline Terminal Fault

This troubleshooting procedure covers faults with Digital Multiline Terminal function only. For other
faults, see "Station Line
START
All Keys on the Digital Multiline
Terminal are ineffective.
Speech Path Trouble:
No Connection/One Way Connec-
tion
Hands Free Operation is not
available.
LCD does not display any infor-
mation
A
Fault". Page 2-40
CHECK
(1) Wiring on Modular Box (Rosette)
(2) DLC blade is properly mounted.
(3) System Data Programming for the Digital
Multiline Terminal station: CM05 Y=0,
CM10 Y=00, CM11, CM12, CM13, CM90
Y=00, CM93
(4) "RUN" LED on the CPU blade is flashing.
REPLACE (1) Digital Multiline Terminal
(2) DLC blade
(3) CPU blade
REPLACE (1) Digital Multiline Terminal
(2) DLC blade
CHECK (1) "MIC" LED is on.
(2) Adjust speaker volume.
(3) Built-in Hands Free Unit is properly
mounted.
REPLACE (1) Hands Free Unit within Digital Multiline
Terminal
(2) Digital Multiline Terminal
CHECK (1) Adjust Display contrast.
REPLACE (1) Digital Multiline Terminal
(2) DLC blade
2-52
Chapter 2 TROUBLESHOOTING
FAULT INFORMATION DISPLAY
NWA-033627-001 Rev.4.0
NOVEMBER/21/2008
95ch2001.fm