ISDN Data and Telephony Protocol Engine (inc. X.25)
CMX228
9
10
Maximum 512 bytes per packet.
Maximum 1024 bytes per packet.
%D9 (Group Number)
Defines the group number used in outgoing call setup messages.
Range
0 to 7
Default
4
Description
Group number.
%D10 (Channel Number)
Defines the channel number used in outgoing call setup messages.
Range
0 to 255
Default
0
Description
Channel number.
1.5.6.2.3 V.120 Parameters
%E8 (Multiple Frame Operation Mode Selection)
In Multiple Frame Operation (MFO) mode, frames are acknowledged and retransmitted if errors occur.
Value
0
1(default)
Description
MFO mode on.
MFO mode off.
1.5.6.2.4 X.25 PAD Parameters
All %L registers can be viewed using the %Ln? command.
%L3 (Selection of Data Forwarding Characters)
This register is used to specify the characters which, when received from the DTE, will cause the
current packet of data to be transmitted. If set to zero, the packet is not transmitted until either the idle
timer (%L4) expires, or the packet becomes full (%B3). The values listed below may be added
together to combine the character sets indicated. The characters are as described in the ASCII
character set.
Value
Description
0 (default)
None.
1
2
A to Z, a to z and 0 to 9.
CR.
4
8
16
32
64
ESC, BEL, ENQ and ACK.
DEL, CAN and DC2.
ETX and EOT.
HT, LF, VT and FF.
NUL, SYN, ETB, EM, SUB, FS, GS, RS, and US.
%L4 (Idle Timer)
Range
Default
0
Description
0 to 40
Specifies the duration of the timer (in units of 1/20
second) that, when it expires, causes the contents of
ã 1999 Consumer Microcircuits Limited
ã 1999 Chiron Technology Limited
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