Network Technologies ST-nXm-U - Manual (Page 26)

NTI NODEMUX MULTI-USER UNIVERSAL KVM SWITCH
22
RS-232 Command Protocol
Host controller commands supported by the unit are defined below.
RS-232 Command Protocol Quick Reference
Legend: (All numbers must be two digits)
SW :
Switch (01-15) MM : Save Into Memory Bank (00-09)
BR : Baud Rate Code (12,24,48,96) LL : Load From Memory Bank (00-09)
OP : Output/User Port (01-MAXOUTPUTS) : Carriage Return (Hex 0xD)
IP : Input Port/CPU (01-MAXINPUTS)
Command String Good Response Description
CS SW,IP,OP * KVM Connect One User Port To CPU Port
CA SW,IP * KVM Connect All User Ports To CPU Port
RO SW,OP *IP KVM Read Connection For User Port
CC SW,MM *MM Save Matrix Connections Into Memory Bank
RC SW,LL *LL Restore Matrix Connections From Memory Bank
CB 00,BR None Change Baud Rate For All Switches
(12=1200,24=2400,48=4800,96=9600)
RS SW * Internal Reset
RV SW,00 *string\0 Read NTI Version String
RU SW *IP,OP Read Unit Size
SS SW,00 * Disable Autostatus feature (see below)
SS SW,01 * Enable Autostatus feature (see below)
GO SW,OP *go
SW,OP,IP Read connection of a User Port to CPU Port
GM SW,00 *go SW,OP:IP (all
ports) Read connection matrix of all User ports
If the syntax of a command is incorrectly entered, the command will be ignored or the switch will answer with a bad response
?.
Syntax example:
CS 01,05,02 (insert the space and commas as shown)
which means “At the switch with unit address 01, connect CPU port 05 to user port 02”
The switch will answer with:
∗<
CR >
The HEX code representation of example above is:
Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8 Byte 9
‘C’
(0x43)
‘S’
(0x53)
Space
(0x20)
Switch – 1st digit
(0x30)
Switch – 2nd digit
(0x31)
‘,’
(0x2C)
Output – 1st digit
(0x30)
Output – 2nd digit
(0x35)
‘,’
(0x2C)
Byte 10 Byte 11 Byte 12
Input –1st digit
(0x30)
Input –2nd digit
(0x32) (0x0D)
Response:
Byte 1 Byte 2
‘ ∗’
(0x2A) (0x0D)