The material in this guide is for information only and is subject to change without notice. Network Technologies Inc reserves the
right to make changes in the product design without reservation and without notification to its users.
FIRMWARE VERSIONS
Front Panel LCD Firmware Version 1.2
Ethernet Control Firmware Version 1.20
Supported Web Browsers............................................................................................................................................1
Default User Name and Passwords ............................................................................................................................2
Features and Functions................................................................................................................................................3
Connect the Sources and Monitors.............................................................................................................................4
Connect to the Ethernet...............................................................................................................................................5
Power Up.....................................................................................................................................................................6
LED Matrix......................................................................................................................................................................6
Control Options.............................................................................................................................................................7
Front Panel LCD with Keypad Control.........................................................................................................................7
Unit Address .............................................................................................................................................................9
NTI Switch Control Program For Windows 9X, NT, 2000, XP, Vista And 7..............................................................11
SerTest- RS232 Interface Test Program...................................................................................................................11
Main Options...........................................................................................................................................................11
RU-Read Unit Size..............................................................................................................................................15
RO-Read Connection for Output Port .................................................................................................................15
CS- Connect Output Port to Input Port................................................................................................................15
CA- Connect All Output Ports to Input Port.........................................................................................................15
SS_01- Enable Auto Status Mode.......................................................................................................................16
SS_00- Disable Auto Status Mode......................................................................................................................16
Web Interface...............................................................................................................................................................18
Enter the Password ................................................................................................................................................18
Main Menu.................................................................................................................................................................19
Video Switch Page..................................................................................................................................................19
User Management...............................................................................................................................................22
Video Input Names..............................................................................................................................................23
Help Page...............................................................................................................................................................27
Update Web Server................................................................................................................................................27
Infrared Control ...........................................................................................................................................................30
Features And Functions.............................................................................................................................................30
How To Use The IRT.................................................................................................................................................31
Change the Switch..................................................................................................................................................31
Set Configuration....................................................................................................................................................33
Pinout of RS232 port on VEEMUX............................................................................................................................37
Specifications for Straight-Through Serial Cable for CPU Connection.....................................................................37
Pinout for Matrix Y-1 Cable........................................................................................................................................38
Figure 1- Install Video Source Cables................................................................................................................................................4
Figure 2- Connect a monitor to the VEEMUX....................................................................................................................................4
Figure 3- Connect user terminal for RS232 control............................................................................................................................5
Figure 4- Connect the LAN to the VEEMUX......................................................................................................................................5
Figure 5- LED Matrix showing input 5 connected to output 5.............................................................................................................6
Figure 6- RS232 connection with Matrix-Y-1 cable............................................................................................................................9
Figure 7- Web interface Welcome page.........................................................................................................................................18
Figure 8- Web interface Login Prompt.............................................................................................................................................18
Figure 9- Administrator Menu ..........................................................................................................................................................19
Figure 9- Web interface Switch page...............................................................................................................................................19
Figure 10- Web interface Setup page..............................................................................................................................................21
Figure 11- Web interface Serial Setup page....................................................................................................................................21
Figure 15- Add User page................................................................................................................................................................22
Figure 16- Edit User settings ...........................................................................................................................................................23
Figure 12- Web interface Video Input Names page.........................................................................................................................23
Figure 13- Output Port Names.........................................................................................................................................................24
Figure 15- Web interface Update Firmware page............................................................................................................................26
Figure 16- Web interface Password page ........................................................................................................................................27
Figure 17- Updating the Web Server ...............................................................................................................................................27
Figure 18- Web interface Logout page.............................................................................................................................................28
The SM-nXm-15V-LCD (n = number of inputs (video sources), m = number of outputs (monitors)) video matrix switch (VEEMUX)
allows any of up to 32 video sources to output to any or all of up to sixteen (16) monitors. The configuration of the VEEMUX is
determined at time of order (i.e. 16x4,32x8, etc.). The bandwidth of the SM-nXm-15V-LCD is 200MHz and video resolutions
through 1900 x1200 are supported with no degradation. The switch can be controlled with the Front Panel Keypad, RS232
interface, Ethernet, or an optional Infrared Remote.
The VEEMUX can be ordered in many sizes and with several control options. The base unit includes a user keypad, an RS232
port, and an Ethernet port to make up a complete system. The infrared option, purchased separately, allows for maximum user
satisfaction in each unique configuration.
Basic Operation
The VEEMUX allows any source to be connected to any destination at any time with no restrictions or limitations.
• Video inputs accept any RGBHV, RGBS, or RGsB signal.
• Video outputs are compatible with any RGBHV or RGBS monitor, regardless of input. (RGsB monitor requires
RGsB input)
Supported Web Browsers
Most modern web browsers should be supported. The following browsers have been tested:
• Microsoft Internet Explorer 6.0 or higher
• Netscape 7.0 or higher
• Mozilla FireFox 0.9.2 or higher
Set your browser to always check if there is a newer version of the page than the version stored in cache. This action will ensure
that it will display the most up-to-date information.
Compatibilty
The SM-nXm-15V-LCD is made to support video inputs from VGA (15HD – H & V Sync) only.
Ordering Information
The SM-nXm-15V-LCD is built to a specific size ranging from 2, 4, 8, 12, or 16 monitors and 16 or 32 video sources. The “n” in the
part number represents the number of video sources. Select a switch built for 16, or 32 video sources. The “m” in the part number
represents the number of outputs (monitors). A switch built for 2, 4, 8, 12, or 16 monitors may be ordered. It is not necessary to
fully populate all of the connectors on the unit (ex. an SM-16x8 switch has the capability of supporting 1 6 video sources and 8
monitors, but it is capable of operating with only 14 video sources with 7 monitors connected.
SM-nXm-15V-LCD
Replace the “n” with 16, or 32
Replace the “m” with either 2, 4 ,8,12,or 16
The following list represents the available sizes that can be ordered:
Infrared Control (see page 30)
This feature adds the ability to control the VEEMUX via an infrared remote.
This feature is ordered by adding the suffix "-IR" to the model number when ordering (i.e. SM-4X2-15V-LCD-IR)
1
NTI VEEMUX VIDEO MATRIX SWITCH
Materials
Materials Supplied with this kit:
• NTI SM-nXm-15V-LCD Video Matrix switch
• IEC Line cord, country specific
• 4-#10-32 x 3/4" pan head screws and 10-32 cagenuts (server cabinet mounting hardwar e)
• CD with: a pdf file of this owner's manual
the NTI Discovery Tool
the NTI Switch Control Program
Cables
All cables are sold separately. The following tables list the available stocked cables with thei r length in feet. All VGA input and
output connectors on Matrix Switches are FEMALE. When using multi-coax high resolution VGA to BNC cables, the BNC
connectors are also FEMALE for input and output. Custom cables are available – contact NTI for pricing and distance / resolution
limitations.
NTI NAME DESCRIPTION
VGA
VEXT-3/6/10/15/25/35/50/75/100-MM
VEXT-3/6/10/15/25/35/50/75/100
VINT-5B-6
Matrix-Y-1 or see page 37 for
alternative cables
Contact NTI for various lengths and
colors
Multi-coax high resolution VGA or SVGA video cable. Connectors are 15HD male-male
(used for INPUTS)- 3 thru 100 feet
Multi-coax high resolution VGA or SVGA video cable. Connectors are 15HD malefemale (used for OUTPUTS)-3 thru 100 feet
Multi-coax high resolution VGA to BNC cable. Connectors are 15HD male to 5 BNC’s-6
feet long
RS232
RS232 Interface Cable- Connectors are 9D male- female-female 12" long
(also see alternative cable specifications on page 37)
ETHERNET
Cat5 UTP Cable- Connectors are RJ45 male-Stocked cables are 2 thru 100 feet
Custom cables must have RJ45 connectors wired straight thru- pin 1 to pin 1, etc.
Default User Name and Passwords
The default Telnet password is admin (lower case letters only) . For instruction on using Telnet, see page
13.
(No username is required in order to use Telnet. You will only be prompted for a password.)
The default Web Interface user name
The default Web Interface password
Interface, see page 18.
is Administrator (upper case letter for "A" only).
is admin (lower case letters only). For instruction on using the Web
2
NTI VEEMUX VIDEO MATRIX SWITCH
FEATURES AND FUNCTIONS
1. LCD Display- for visual indication of connection between the monitor and a specific video source.
2. Keypad buttons- for user control over switch functions
4. IEC Power Connector- for attachment of power cord
5. Power ON/OFF switch
6. Ethernet- RJ45 female connector- for connection of CAT5 cable to LAN for WEB interface
7. RS232- female 9D connector- for attaching RS232 interface cable from a CPU to control the functions of one or more
switches
8. VIDEO x - female 15HD connectors- for connection of video source cables
9. MONITOR x- female 15HD connectors- for connection of monitors
10. LED Matrix- for visual indication of all input-to-output connections (page 6)
3
NTI VEEMUX VIDEO MATRIX SWITCH
INSTALLATION
Connect the Sources and Monitors
1. Power OFF all video sources (inputs) that will be connected to the VEEMUX before connecting or disconnecting any cables.
2. Connect a VEXT-xx-MM cable from the video port of a video source to a 15HD female video connector labeled “VIDEO 1” on
the VEEMUX. (See Figure 1)
3. Connect additional video sources to remaining 15HD female “VIDEO x” connectors as desired.
Figure 1- Install Video Source Cables
4. Connect a monitor to the 15HD female connector labeled “MONITOR 1” on the rear of the VEEMUX (See Figure 2).
5. Connect additional monitors to remaining 15HD female “MONITOR x” connectors as desired.
Figure 2- Connect a monitor to the VEEMUX
4
NTI VEEMUX VIDEO MATRIX SWITCH
Connect RS232
RS232 control can be achieved using a separate user terminal or CPU wit h a terminal program. To make a terminal connection,
connect a serial cable (specifications on page 37) between the user terminal and the 9 pin DIN female connector on the VEEMUX
labeled "RS232". (See Figure 3)
Figure 3- Connect user terminal for RS232 control
Connect to the Ethernet
If the Telnet Interface (page 13) or Web Interface (page 14) will be used, an Ethernet connection to the Local Area Network (LAN)
must be made using CAT5 cable with RJ45 connectors. Wiring between the connectors should be straight through (pin 1 to pi n
1, pin 2 to pin 2, etc.) Connect a CAT5 cable between the connector labeled "ETHERNET" and the LAN (see Figure 4).
Figure 4- Connect the LAN to the VEEMUX
5
NTI VEEMUX VIDEO MATRIX SWITCH
Power Up
1. Plug the VEEMUX into an AC power outlet.
2. Power ON the VEEMUX.
3. Power ON the video sources and monitors connected to the VEEMUX.
LED MATRIX
The LED Matrix is a grid of LEDs on the front panel of the VEEMUX. This grid is used to provide a visual indication of all
connections between video sources and destinations. To determine if an input (video source) is connected to an output (video
destination), follow the LEDs down and to the right (respectively) until they intersect. The illuminated LED at the point of
intersection indicates the input is connected to the output by the VEEMUX.
Figure 5- LED Matrix showing input 5 connected to output 5
6
NTI VEEMUX VIDEO MATRIX SWITCH
CONTROL OPTIONS
The VEEMUX video matrix switch has four methods of control:
• Front Panel LCD with Keypad
• Directly via an RS232 Interface
• Remotely via Ethernet
• Infrared Remote (optional).
Every unit comes standard with the Front Panel LCD with Keypad, and RS232 built in. Rack mount models also include Ethernet
connection. If desired, the Infrared option must be requested at the time of the order. The Infrared option requires the purchase
of a separate remote control device (Infrared transmitter) as well as an Infrared receiver to be installed in the VEEMUX. No
software is involved (see Infrared Control on page 23). With the RS232 option, there are no external devices to be purchased.
NTI provides software commands as well as a test program to ensure the RS232 functions properly (see page 8 – RS232
Control).
Front Panel LCD with Keypad Control
The front panel LCD and keypad allow the user to monitor switch status and route any user to any video source on the switch.
When the unit is powered up, each monitor is automatically connected to the video source of its equa l number (i.e. monitor 1 to
source 1, monitor 2 to source 2, monitor 3 to source 3, etc.). Along with the routing of the inputs (video sources) to the outputs
(monitors) the keypad and LCD allow the users to configure the RS-232 control interface. The keypad buttons perform the
following functions.
ESC Escape back to the main display.
0 – 9 Used to enter numbers. ( # )
OUT The output user number can be entered
(2 digits or 1 digit and ENTER or IN)
OUT: 1 2 3 4
IN: 1 2 3 4
ESC
MENU
followed by the input
IN Used following single digit output entries
ENTER Used following single digit entries
Display next 4 outputs and their inputs
Display previous 4 outputs and their inputs
MENU The RS-232 menu is displayed. This allows the baud rate to be set at 9600, 2400, 1200 or 300 baud and the unit
address to be set to 1 - 15. See RS-232 control later in this chapter.
* Activate Memory Function - 100 memory locations 0 – 99, 0 is the power on default.
to Save current connections ( * ) ( OUT ) ( # ) ( ENTER )
to Recall connections from ( * ) ( IN ) ( # ) ( ENTER )
To set all outputs to one input ( * ) + ( # ) + (ENTER)
The following examples show various method of routing output 3 to input 5. Inputs and Outputs can be entered as a two digit
number or a one digit number followed by IN or ENTER.
Configurations that are saved into memory locations via
the keypad can be recalled via the web interface (page 18)
and vice versa.
3 (ENTER) 5 (ENTER)
03 05
Note: If the current switch configuration includes assigned Scan Mode dwell time values (pg. 8), to save the current
configuration be sure to assign a memory location to it. Otherwise, when the VEEMUX is powered OFF, all dwell time
values will be erased. Also, saving the configuration as memory location 0 will cause it to be the power-ON default
configuration.
6
Out
In
7890
1
23
*
5
4
ENTER
7
NTI VEEMUX VIDEO MATRIX SWITCH
Scan Mode
Scan Mode causes an output port to automatically switch from one input port to the next consecutive input port after a specified
period of time (referred to as the dwell time). Port switching will continue indefinitely and no ports will be skipped, wheth er there
are video sources connected to them or not. If desired, the VEEMUX can be configured to skip the scanning of specific ports
using the RS232 Command Protocol (page 9) or Telnet (page 13).
Dwell time settings can be any value from 0 seconds (000) to 255 seconds. A setting of 000 seconds (the default setting)
disables Scan Mode for that output port. If Scan Mode is disabled for a specific port, then the video to that output will only
change as decided by the administrator.
To configure Scan Mode from the front panel LCD
Press MENU, the following lines will be displayed:
1) Set Baud Rate
2) Set Unit Addr
Press MENU again, the following line will be displayed:
3) Set Scan Mode
Press 3 to select that menu item. The following request will be displayed:
Select Port
Select the output to be programmed using the numeric keys, then press ENTER. The display will show the current Dwell Time
value for that output and ask for a new value.
Current Time: 16
New Time:
Using the numeric keys, enter a value between 0 and 255 and press ENTER. Leading zeros are allo wed (000) but the number
should not exceed 3 digits. The Scan Mode dwell setting value 0 will disable Scan Mode for that output port.
Scan Mode settings can also be configured through the RS232 Command Protocol (page 9), Telnet commands (page 13), or
through the Web Interface (page 18).
NOTE: Scan Mode configuration settings can only be saved if they are assigned a memory location via the Keypad
Control (page 7). Otherwise when the power is cycled to the VEEMUX, all Scan Mode settings will be erased.
TIP: If the Scan mode settings are stored as memory location 0, they will be loaded each time the VEEMUX is powered
ON.
NOTE: If Outputs Scanning Sequences (page 22)
:
Is enabled, Scan Mode as configured at the LCD
front panel will be disabled.
RS232 Control
RS232 enables the VEEMUX to be remotely controlled via RS232. To control the VEEMUX via RS232 the user has three
options:
• write a program that runs on a PC using the Command Protocol (page 9)
• use the NTI Switch Control Program (page 11) provided on the CD
• use the SerTest program (page 11) provided on the CD
Remote Connection
The RS232 Interface is designed to control the switch via serial (RS232) daisy chain connection from any host computer or other
controller with an RS232 communications port. There is, however, a restriction that must be followed:
The pin outs for the DB-9 connector on the unit are as follows:
RS232 Connector (DB-9 FEMALE)
PIN SIGNAL FUNCTION PIN SIGNAL FUNCTION
1 None no connection 6 DTR Data Terminal Ready
2 TXD Transmit Data (RXD at host) 7 CTS Clear to Send
3 RXD Receive Data (TXD at host) 8 RTS Request to Send
4 DSR Data Set Ready 9 none no connection
5 GND Signal Ground
8
NTI VEEMUX VIDEO MATRIX SWITCH
On the DB-9 female connector, pins 4 (DSR) and 6 (DTR) are shorted and pins 7 (CTS) and 8 (RTS) are shorted. T herefore, host
handshaking is bypassed and TXD and RXD are the only active signals. A straight throu gh DB-9 cable (not null modem) will work
for most CPUs. To daisy chain multiple units, use NTI Matrix-Y-1 "Y" cables, except for the last unit connected. (see Fig 6). For a
pinout of the Matrix-Y-1 cable, see page 32. For straight through cable pinouts applicable to various terminal types, see page
31.
Baud Rate
The unit powers up with a default baud rate of 9600 and a fixed data protocol of 8 data bits, no parity and 1 stop bit. The baud
rate can be changed by pressing the MENU button on the front panel keypad. Then select 1 for SET BAUD RATE and select the
desired baud rate of 9600, 2400, 1200 or 300. A data protocol of 8 data bits, no parity, and 1 stop bit is used for communications.
Unit Address
To allow multiple units to be controlled from a single CPU port, the RS232 control interface is designed to allow "daisy chaining"
up to 15 units using the NTI Matrix-Y-1 "Y" cables. By setting the appropriate unit address with the keypad (the default address is
01), each unit can be given a unique address (1-15). Then the unit will onl y respond to commands on the bus if its address is
embedded in the command.
To set the unit address:
-select MENU on the front panel keypad
-select 2 for SET UNIT ADDRESS
-press the address number (1-15)
- press ENTER.
CPU
RS232
Serial Port
RS232
NTI
SWITCH
First Unit
Matrix-Y-1
Matrix-Y-1Matrix-Y-1
RS232
NTI
SWITCH
Second Unit
RS232
NTI
SWITCH
Last Unit
Figure 6- RS232 connection with Matrix-Y-1 cable
Command Protocol
CPU controller commands supported by the unit are defined below. All commands must be terminated with a <CR> (carriage
return). When a command is sent, the entire string is echoed back along with a response from the addressed unit as shown in the
Command Definitions table (below). All characters in the command string are case sensitive (see Command Definiti ons table),
and all numbers below 10 must have a leading 0 (ex: 1 = 01).
Legend: (All numbers must be two digits)
SW : Switch (01-15) (Unit Address) MM : Save Into Memory Bank (00-99)
BR : Baud Rate Code (12,24,48,96) LL : Load From Memory Bank (00-99)
OP : Output Port (01-MAXOUTPUTS) <CR> : Carriage Return (Hex 0xD)
IP : Input Port (01-MAXINPUTS) ip
Command Definitions
Command
Good Response Description
String
CS SW,IP,OP *<CR> Connect One Output Port To Input Port
CA SW,IP *<CR> Connect All Output Ports To Input Port
RO SW,OP *<CR>IP<CR> Read Connection For Output/User Port
CC SW,MM *<CR>MM<CR> Save Matrix Connections Into Memory Bank xx
Xx=00-99
RC SW,LL *<CR>LL<CR> Restore Matrix Connections From Memory Bank
CB 00,BR None
Change baud rate of serial line, BR=12(00),24(00),48(00),96(00)
Factory default is 9,600
: IP address
9
NTI VEEMUX VIDEO MATRIX SWITCH
Command Definitions (Continued)
Command
Good Response Description
String
RS SW *<CR> Internal Reset
RV SW,00 *<CR>string\0<CR> Read NTI Version String
RU SW *<CR>IP,OP<CR> Read Unit Size
EA SW,ip *<CR> Set the IP address, ip is in xxx.xxx.xxx.xxx format,
number of digits is minimum 1 and maximum 3 for each field
Leading zeroes are accepted
EM SW,ip *<CR> Set the Subnet mask, ip is in xxx.xxx.xxx.xxx format,
number of digits is minimum 1 and maximum 3 for each field.
Leading zeroes are accepted
EG SW,ip *<CR> Set the default gateway, ip is in xxx.xxx.xxx.xxx format,
number of digits is minimum 1 and maximum 3 for each field
Leading zeroes are accepted
ET
SW,timeout
RA SW * <CR>ip<CR> Read the IP address, ip is in xxx.xxx.xxx.xxx format,
RM SW * <CR>ip<CR> Read the Subnet mask, ip is in xxx.xxx.xxx.xxx format,
RG SW * <CR>ip<CR> Read the default gateway, ip is in xxx.xxx.xxx.xxx format,
RT SW * <CR>timeout<CR> Read the website timeout; timeout = numeric value in seconds.
SS SW,00 *<CR> Disable Autostatus feature (see below)
SS SW,01 *<CR> Enable Autostatus feature (see below)
GO SW,OP *<CR>go SW,OP:IP<CR> Read connection of a Output Port to Input Port
GM SW,00 *<CR>go SW,OP:IP (all
Ss
SW,OP,DWT
Gs SW,OP *<CR>DWT<CR> Read scan mode dwell time setting for an Output port
Sa SW,OP *<CR> Set scan list of individual output to all inputs
Sc SW,OP *<CR> Clear scan list of individual output
S+ SW,OP,IP *<CR> Add individu al input to Scan List of output
S- SW,OP,IP *<CR> Remove individual input from Scan List of output
Sx SW,OP *<CR>oooxoxxxooooxxx<CR> Inspect the Scan List of individual output (o=skip x=don't skip)
*<CR> Set the website timeout; timeout = numeric string of timeout in seconds.
DWT values: 000-255 000= scan disabled See page 8 for more info.
DWT values: 000-255 000= scan is disabled for the port
If the first field is not a known command (as listed above) or SW field is different from the serial address programmed in the switch
memory, the command will be ignored. If the SW field corresponds to the unit address, but the syntax is wrong after this field, the
switch will answer with a bad response ?<CR>.
Autostatus
When Autostatus is enabled, any output-to-input connection change in the VEEMUX will cause an Autostatus message to be sent
via RS232 to the administrator. The format of the message would be "pc SW,OP:IP<CR>"
Example of an Autostatus message:
pc 01,01:04<CR>
which means "At the switch with unit address 01, the output (01) has changed connection to input 04."
Notes: Message to the administrator will be delayed by any RS232 traffic being received by the switch from the
administrator.
Autostatus must be disabled before using SerTest or the NTI Switch Control Program (below).
By default, Autostatus is disabled and must be manually enabled. Autostatus is also disabled any time the power to the
VEEMUX is interrupted.
10
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