WorkCentre Pro 423/428 2-196 CHAPTER 2 TROUBLESHOOTING
03/02 How to use the Diagnostic C/E Mode
Chain Function Item Content Default Description
Access
by
57 692** G3M0 ECM CTC Number 0:000 to 7:111 05 Determines whether or not to send the CTC signal (including the fall back
data) after sending the identical frame the specific times. By increasing the
setup data, the signal will be send by the same modem speed on the line
where the failure occurred which is not practical.
CE
57 693** G3M0 ECM CTC Speed Down 0:Off 1: Speed down. 01 The data should not be changed as the transmission can be completed more
often by letting the fall back occur at the CTC signal.
CE
57 694** Sending CTC at 2400bps 0:Send 1:Do not send 00 In the G3 models, a modem with 2400bps or higher?? speed is not used.
Possibility of completing communication is higher by releasing the line once,
then transmitting signals using the newly supplied line, rather than sending
2400bps repeatedly using an inferior quality line. As a result, the data should
normally be not changed.
CE
57 696** Action after G3M0 ECM EOR detection 0: To be continued
1: Release line for EOR-EOP only
01 EOR signal can be detected when an extremely inferior line is supplied. In
such a case, possibility is higher to complete by releasing the line, then using
a newly supplied line rather than continuing communication using the existing
line. Accordingly, the data need not be changed.
CE
57 791 Link modulo 0:Modulo 8
1:Modulo 128
00 In the communication using the ISDN line, this data specifies the modulo type
used for monitoring the number system of data link layer (for checking the
signal delivered, or received, etc.).
CE
57 801 Network modulo 0:Modulo 8
1:Modulo 128
00 In the communication using the ISDN line, this data determines the applicable
area where the numbers can be added to the data packet, so that the network
layer cannot be overflowed
CE
57 802 CSDN Protocol 0:X21PLP 1:T70null
2:IS8208modified
02 In the communication using the ISDN-CDDN line, this data determines the
protocol used for communicating to the line exchange network. Basically, the
data needs not be changed.
CE
57 803 Packet size 7:128bytes 8:256bytes 9:512bytes
10:1024bytes 11:2048bytes
12:4097bytes
11 In the G4 communication, this data determines the maximum user data field
length of data packet for the network layer. When a small size is selected, the
data size transmitted per packet will be smaller and a longer transmission time
will result depending on the data volume.
CE
57 810 TDT blocking size 7:128 8:256 9:512 10:1024 11:2049 11 In the G4 communication, this data determines the data blocking size at the
transport layer. The data must be set to “2048” to be accessible to the G4
facsimile communication network.
CE
57 820 Session window 1 to 3 03 In the G4 communication, this data determines the number of consecutive
transmission of data package for the session layer. As the value is smaller,
the number of delivery checks for data packages will be greater and a longer
communication time will result.
CE
57 821 Wireless communication monitor timer 0:Infinite 1: to 255sec (1sec=1step) 60=
60sec
In the G4 communication, this data sets up time to monitor non communication
status for the session layer protocol. The data need not be changed unless
otherwise instructed.
CE
57 822 Exceptional process of sessions 0:Session 1:Document 00 In the G4 communication, when communication failure occurs, this data
determines which layer should be moved to the disabled status, the session
layer or document layer.
CE
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