Xerox WorkCentre Pro 423 Service Manual page 118

WorkCentre Pro 423/428
DISC Signal Contents (Sample FIF below: 0801014508028090)
Information
Contents
element
bit 8765 4321
Protocol
Identifier
ID
08h (fixed)
0000 1000
Call No.
Call No.
bits 4 to 1: Length (bytes) of Call number 2
-1 0000
length
Call No. F F
Call No. value
0 (flag)
-2
000 0001
Messag DISConnect
0100 0101 signal code: 45h
DISC
e type
Reason
Identifier Identifier of information element "reason display": 08h
display
(fixed)
0000 1000
-1
Reason
Reason display Number of octets in information element "reason display"
display
(Reason display 3 or later)
length
-2
Reason
G e n e r a t i o
Genera tio
n s o u r c e
display
1000 n source
0000
-3 *See the fig.
below
Reason
Reason display
Reason display value
value
display 001 0000
1
* The list at
-4
right gives
extracted
items. For
details, see
reason display
Q931.
Description (Fixed unless described here)
0--- --- Call generation side
1--- ---
Call destination side
---- 0000 Local terminal (User)
---- 0001 Local private network
---- 0010 Local domestic network
---- 0011 Relay network
---- 0100
Remote domestic network
---- 0101
Remote private network
---- 0111
Internal network
---- 1010
Interworking network
-000 0001 Missing (81h)
-001 0000
Normal disconnection (90h)
-001 0001
Called user busy (91h)
-001 0010
No reponse from called user
-
101 1100
(92h)
-101 1000
Invalid number format (9C)
2-86
03/02
Generation
source code
Local side
Local office
Private
Domestic
Terminal
network
0000
0001
Private network
consists of
equipment (PBX/TA)
Domestic ISDN
other than the local
terminal
terminal.
Network (analogue or mobile
telephone network) other than
domestic ISDN
Overseas network(ISDN/analog)
CHAPTER 2 TROUBLESHOOTING
Level 2 Troubleshooting
Remote side
Remote office
Domestic Domestic
network network network
0010 0100 0101
Relay network is ISDN
Relay network (G4-F network
terminal /NCC ISDN network)
other than one on the
remote side.
Interworking network
1010
International network
0111
,6'1
terminal

Analog terminal
0000
Overseas terminal
0000