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LINEORDER command, connections will be assigned by default in ascending channel order. The default order
may be reestablished by specifying the command SET MUX LINEORDER=ALL.
A specified channel may be manually disconnected from its associated Telnet session with the DISCONNECT
option. Otherwise, the connection will remain open until disconnected either by the Telnet client or a DETACH
MUX command, unless the channel is controlled by the Control PCA.
When entering the SC option, specify the lower select code with either device name; the higher select code will be
set automatically, and the cards will be assigned in the correct order.
Device options that may be specified for the Lower Data PCA are:
Option Action
SC=<n>
Set the interface card select codes; default is 40/41
DEBUG=<option>
Enable tracing
NODEBUG
Disable tracing; default
ENABLED
Enable the device; default
DISABLED
Disable the device
Unit options that may be specified for individual Lower Data PCA channels are:
Option Action
UC
Upshift lowercase output characters to uppercase; default
7B
Output with high-order bit cleared
7P
Output with high-order bit cleared, non-printing suppressed
8B
Output characters without changing
DATASET
Enable modem control via the Control PCA
NODATASET
Disable modem control; default
LOG=<filename>
Enable I/O logging
NOLOG
Disable I/O logging; default
DISCONNECT
Disconnect the channel
Each channel may be set to one of four output modes (UC, 7B, 7P, or 8B). The default mode is UC for all
channels. If the multiplexer is used with RTE driver DVS00 and logical driver LDV05, or DOS driver DVR73 and
logical drivers PMT01 or PMT02, the mode must be changed to 7B or 8B to allow ESC, DC1, and ENQ characters
to pass through to the terminal. Alternatively, the SET CONSOLE PCHAR SCP command may be used to redefine
the set of printable characters. Modes UC and 7P are compatible with DVS00 and DVR73 using the default logical
driver.
The DATASET option enables modem control via the corresponding channel on the Control PCA. When modem
control is enabled, a connected channel that has Data Terminal Ready (command bit C1) high will set Carrier
Detect (status bit S2) in the line status, and a programmed drop of the DTR line will disconnect the Telnet session.
Setting the NODATASET option causes DTR transitions to be ignored.
Each channel supports independent I/O logging to a file. Disabling logging also closes the log file.
A channel may be manually disconnected from its associated Telnet session with the SET MUXLn DISCONNECT
command. Otherwise, the connection will remain open until disconnected either by the Telnet client or a DETACH
MUX command, unless the channel is controlled by the Control PCA.
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