Lucent Technologies R5SI Manual Do Utilizador
DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Reliability Systems: A Maintenance Aid
Page 6-18
Repair Procedures for High and Critical Reliability
6
Network Control Circuit Pack (TN777B):
There is also an yellow LED (below Memory Card slot). When ON, the
Memory Card is in use.
Memory Card is in use.
■
Packet Control Circuit Pack(PCCP)(TN778)
■
Tone-Clock Circuit Pack:
NOTE:
For information on the standard amber/green/red LEDs see
TONE-BD Maintenance Object in
TONE-BD Maintenance Object in
.
Repair Procedures for High and
Critical Reliability
Critical Reliability
This section describes the procedure for installing or replacing Standby SPE
circuit packs. These circuit packs are:
circuit packs. These circuit packs are:
■
Processor Circuit Pack (TN790)
■
Memory Expansion Board (CPP1)
■
Network Control Circuit Pack (TN777[B])
■
Packet Control circuit pack (TN778)
■
Processor Interface circuit pack(s) (TN765)
■
Duplication Interface circuit pack (TN772).
This procedure does
not apply
to the TN768 or TN780 Tone-Clock circuit pack.
Yello
w
Green
Red
Meaning
On
-
-
Link terminated at NCCP
On
-
Maintenance running on NCCP
-
-
On
Fault on NCCP
Yello
w
Green
Red
Meaning
On
-
-
Link terminated at PCCP
On
-
Maintenance running on PCCP
-
-
On
Fault on PCCP