WorkCentre Pro 423/428 2-86 CHAPTER 2 TROUBLESHOOTING
03/02 Level 2 Troubleshooting
DISC Signal Contents (Sample FIF below: 0801014508028090)
bit 8765 4321
Number of octets in information element "reason display"
(Reason display 3 or later)
Identifier of information element "reason display": 08h
(fixed)
DISC signal code: 45h
Reason
display
Reason
display
Reason
display
Reason
display
Messag
e type
Call No.
-2
Call No.
-1
Protocol
ID
DISConnect
0100 0101
0000
Reason display
len
th
F
(flag)
0--- ---
1--- ---
Call generation side
Call destination side
Identifier
0000 1000
1000
Generatio
n source
*See the fig.
below
---- 0000
---- 0001
---- 0010
---- 0011
---- 0100
---- 0101
---- 0111
---- 1010
Local terminal (User)
Local private network
Local domestic network
Relay network
Remote domestic network
Remote private network
Internal network
Interworking network
1
Reason displa
value
* The list at
right gives
extracted
items. For
details, see
reason display
-000 0001
-001 0000
-001 0001
-001 0010
-101 1100
-101 1000
Missing (81h)
Normal disconnection (90h)
Called user busy (91h)
No reponse from called user
(92h)
Invalid number format
9C
Generatio
n source
0000
Reason display value
001 0000
Call No. value
000 0001
Information
element
Description (Fixed unless described here)
Contents
08h(fixed)
Identifier
0000 1000
bits 4 to 1: Length (bytes) of Call number 2
Call No.
len
th
consists of
equipment (PBX/TA)
other than the local
terminal.
e
ay networ
s
network (G4-F network
/NCC ISDN network)
other than one on the
remote side.
Terminal
0000
r
vate
network
0001
Domestic
network
0010
Domestic
network
0101
Domestic
network
0100
Interworking network
1010
Analog terminal
0000
e
ay
terminal
International network
0111
Overseas terminal
0000
Local side
Remote office
Remote side
Overseas network(ISDN/analog)
Network (analogue or mobile
telephone network) other than
domestic ISDN
Domestic ISDN
terminal
,6'1
terminal
Generation
source code