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Select Local The Select Local Parameters command lists the local channel
Parameters parameters and enables you to update them. After execution
of this command, all other commands will act on the local
&SL parameter set. An &W command stores the parameters. When
power is turned on, the local parameter mode is in effect.
Select The Select Downline Load Parameters command lists the
Downline Load remote mux channel parameters and enables you to update
Parameters them. After execution of this command, all other commands will
act on the downline parameter set. To send a new set of
&SR parameters to the remote MultiMux unit, 1) the Downline Load switch (8-position DIP
switch SW1) must be set properly , 2) then executing an ATZ or powering off and on your unit sends the
parameters to the remote mux.
Channel The Channel Status command displays the Individual channel
Status percentage activity levels as well as the status of the EIA signals. The status message is
displayed in the following format:
#S1-S32
STATISTICS FOR CHANNEL NUMBER XX
RECEIVE FLOW CONTROL TIME : 00 HRS 00 MIN 00 SEC
BUFFER UTILIZATION : 00%
EIA STATUS:
PIN #: 4/RTS 5/CTS 6/DSR 8/DCD 20/DTR 22/RI 25/OOS
TYPE : INPUT OUTPUT OUTPUT OUTPUT INPUT OUTPUT INPUT
STATUS: LO HI HI HI LO LO LO
5.2.3
Composite Link Speed and Clocking Commands
DSU Clock The DSU Clock command allows the internal DSU to accept timing from it's internal
timing oscillator ($DSUACLI) or from the $DSUCL DDS Network'sReceive Bipolar Signal. The $DSUACLI
command enables the internal DSU on link A to establish the timing. DDS
Clocking command $DSUCLD is used whenever the internal DSU is connected to DDS network line. The
$DSUCLD command is the factory default and automatically configures the
MultiMux clocking.
DSU Speed The DSU Speed command sets the speed of the internal DSU. The $DSUASP56000
command sets the internal DSU on link A $DSUSP to a link speed of 56K bps. The default DSU speed is 56K
bps. The DSU speed commands are as follows:
$DSUA/
BSP2400 $DSU/BSP4800
$DSUA/BSP9600 $DSUA/BSP19200
$DSUA/BSP56000
Mux Clock The Mux Clock command enables the MultiMux to accept timing from either it's internal
timing oscillator ($MUXCLI) or derive $MUXCL timing from a synchronous full-duplex external device
($MUXCLE). The $MUXBCL command is used any time an external link device is connected to the link or a
synchronous device is connected to Port B as a Sync Data Channel. The $MUXACLI
command configures link A for internal clocking. If the Sync Data Channel is configured, the $MUXBCLI
command sets the MultiMux up for internal clocking. If the clocking is being provided by
the synchronous device, the $MUXBCLE command would be used to set the clocking. The default condition for
the MultiMux is internal clocking.
Mux Speed The Mux Speed command selects the clocking speed when clocking is provided by
the MultiMux. The only time the mux $MUXSP speed needs to be set is when the MultiMux is providing the
clocking. The Mux Speed commands are used when the ports are set as composite link:
$MUXA/BSP 2400 $MUXA/BSP 4800 $MUXA/BSP 7200 $MUXA/BSP 9600
$MUXA/BSP 14400 $MUXA/BSP 19200
$MUXA/BSP 38400 $MUXA/BSP 57600 $MUXA/BSP 64000 $MUXA/BSP 76800
$MUXA/BSP115200 $MUXA/BSP 128000 $MUXA/BSP 256000