Network Technologies NTI KEEMUX-P2 User's Manual
Contents
1. ANENA aa aAA N NAANA KNN 35232 TECHNICAL SPECIFICATIONS cas rete fees Devi een de 2 5 5 INTRODUCTION The KEEMUX P2 switch allows one user to access two PS 2 CPUs with only one keyboard monitor and mouse Internal auto boot circuitry allows both CPUs to boot simultaneously and error free without the need for a keyboard monitor and mouse on each CPU Available Options 2 can be ordered that supports a hard wired remote control RMT 2 ST for increased user control flexibility Add RMT to the part number KEEMUX P2 RMT The RMT 2 ST remote ordered separately comes standard with 6 foot cable but a cable of up to 100 feet can be ordered DKEXT 35 50 75 100 e Audio support to enable user to connect stereo speakers to receive audio signals from connected CPUs add AUD to the part number i e KEEMUX P2 AUD e RS232 support for alterna2. aao NETWORK 1275 Danner Dr _Tel 330 562 7070 TECHNOLOGIES Aurora 44202 gt 330 562 1999 E u INCORPORATED www networktechinc com Series KEEMUX P2 2 Port PS 2 KVM Switch INSTALLATION USER GUIDE KEEMUX SELECT 1 2 2 1 VIDEO MONITOR 49 Rev Date 4 8 2004 WARRANTY INFORMATION The warranty period on this product parts and labor is two 2 years from the date of purchase Please contact Network Technologies Inc at 800 742 8324 800 RGB TECH in the US and Canada or 330 562 7070 worldwide or at our website at http www networktechinc com for information regarding repairs and or returns A return authorization number is required for all repairs returns COPYRIGHT Copyright 2004 by Network Technologies Inc All rights reserved No part of this publication may be reproduced stored ina retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written consent of Network Technologies Inc 1275 Danner Drive Aurora OH 44202 CHANGES 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
3. would be P01 or P02 5 SCAN Mode is indicated by flashing CPU port LED The switch scans to either port with CPU powered ON That port remains active for the configured dwell time default time is 5 seconds before switching to the other powered ON CPU port See COMMAND MODE Section for configuring the scan dwell time NOTE The keyboard and mouse must remain idle for the full SCAN dwell time before the switch selects the other port CPU 1 CPU 2 A flashing CPU LED means that CPU is being scanned and is active Sets scan time out period for each port Selects a specific port E Exit COMMAND Mode H 2 BROADCAST Mode USE WITH EXTREME CAUTION BROADCAST Mode is indicated when both CPU LEDs are illuminated This mode allows the operator to send keystrokes to both active CPUs simultaneously However BROADCAST Mode has some critical requirements 1 BROADCAST Mode must be OFF when booting an attached CPU 2 COMMAND Mode must be OFF for keystrokes to reach attached CPU s when in BROADCAST CPU 1 CPU 2 Twoilluminated CPU LEDs means that the switch is in BROADCAST Mode Keyboard Features The keyboard configuration of each CPU is saved in the NTI Switch For example if the CPU attached to Port 2 had CAPS LOCK and NUM LOCK selected the last time that CPU was accessed then they
4. 5 INTRODUCTION certceuyecuvdntendstadvuaituceducenedeeddtindentiedduudhudesssduvaecondtvduvendevdduaudiedenacdsvuenbedrs ITE RAS sec FEATURESAND FUNCTIONS INSTALLATION Units with audio support Optioniall Sod os A E Aaa aa P w r USING THE NTISWITCH Front Panel Controls Keyboard ueyeacaeesdedendeved COMMAND BROADCAST aaa aaa a naaa aa eaaa ai aKa aaraa aaa KANEK Eaa AAA aaa aaa Keyboard Features aa A 0
5. press the CPU SELECT button a couple of times 4 Ifthe problem still persists unplug the keyboard and mouse cables not the CPU keyboard and mouse from KEEMUX P2 and reconnect them 5 If the KEEMUX P2 switch continues to have erratic or inconsistent operation there may not be enough power coming from the CPUs to operate it common with some older CPUs If this is the case contact NTI and order an optional power supply 50018 If the suggestions above have been tried and the KEEMUX P2 KVM switch is still functioning properly a solution to the problem may be found on our website at http www networktechinc com in the Frequently Ask Questions FAQ section or please call us directly at 800 742 8324 800 RGB TECH or 330 562 7070 and we ll be happy to assist in any way we can SERIAL INSPECTED 0 KEEMUX P2 KEEMUX P2 RMT KEEMUX P2 AUD KEEMUX P2 DV Man049 Rev 4 8 04
6. will automatically be set when that CPU is accessed again AUDIO SUPPORT Optional Audio support provides the following additional features e Audio signals from the same CPU that keyboard mouse and video signals are from can be received by the user e Audio inputs accept any standard line level audio 1Vrms or 2 5Vp p e Audio outputs are capable of driving an 8 Ohm speaker load with 200mW of continuous RMS power Audio signals are switched along with the keyboard mouse and video signals using the buttons on the KEEMUX switch DUAL VIDEO SUPPORT Optional Dual Video support enables CPUs with two video outputs to be connected to the KEEMUX switch and two user monitors to be connected to view both sets of video signals Both monitors must be of the type VGA multi scan RS232 CONTROL Optional RS232 Connections and Configuration Remote Connection The RS232 Interface is designed to meet the RS232C standard and can be controlled from any host CPU or other controller with an RS232 communications port The pin out for the DB 9 connector on the unit can be found on page 7 A straight through DB 9 cable not null modem will work for most CPUs Baud Rate The baud rate of the host CPU can be changed by using the menus the RMTEST program see RS232 Interface Test Program below The desired baud rate of 9600 2400 1200 or 300 may be set A data protocol of 8 data bits no parity and 1 stop bit is used for communications
7. Multi Scan Rear View of KEEMUX P2 Monitor PC2VIDEO 1 VIDEO VKINT xx MM PS 2 Mouse PS 2 Keyboard VKINT xx MM Fig 1 6 pi Male DIN 6 pi pin mini pin mini Male Male PS 2 PS 2 6 pin miniDIN 6 pin miniDIN VKINT 6 10 MM VKEXT 25 50 MM VVKINT 3 6 10 15 25 50 MM Fig 2 Fig 3 Male Male 15HD 15HD VGA VGA VEXT 3 6 10 15 25 35 50 75 100 MM Fig 4 Units with audio support optional Connect the 3 5mm plug from speakers to the 3 5mm jack labeled AUD OUT Attach SA xx MM audio cables purchased separately between the audio port on each CPU and the 3 5mm audio jacks marked AUD 1 on the KEEMUX switch Be sure to connect the audio cables from each CPU to audio jacks of the same number as the keyboard mouse and video cable ports connected to See Fig 5 3 5mm Stereo Rear View of KEEMUX P2 AUD Jack AUD 2 AUD1 AUD OUT Rear View of PS 2 CPU Audio Port line 3 5mm Stereo 3 5mm Stereo ONE WILL BE MARKED line Plug Plug out spkr headphones OR WITH THIS SYMBOL E 5 Power Up Sequence 1 The KEEMUX P2 is powered by the CPUs it is connected to unless using a power supply with an option 2 Turn ON power to monitor attached to the KEEMUX P2 3 Turn ON power to either or both CPU s attached to the KEEMUX P2 Power Down Sequence 1 Turn OFF CPUs attached to the KEEMUX P2 2 Turn OFF power
8. The baud rate of the KEEMUX is configured using dipswitches see page 7 Unit Address To allow multiple units to be controlled from a single host port the RS232 control interface is designed to allow daisy chaining up to 15 units In order to connect multiple KEEMUX units together Matrix Y 1 cable must be used See Fig 6 See Fig 7 for the pinout of the Matrix Y 1 cable Matrix Y 1 Matrix Y 1 Matrix Y 1 erial Por First Unit Second Unit Last Unit Fig 6 6 Wiring Schematic of Matrix Y 1 cable 9D Male 9D Female 9D Male Unit 1 Source Unit 2 3 3 Not connected to 5 5 5 source connector 2 2 8 Jumper 1 4 Jumpers 6 Fig 7 Dipswitches The dipswitches located next to the RS232 connection Fig 8 are used to configure the baud rate and address of the KEEMUX The default baud rate is 9600 The default address is 1 Use the charts below to change the baud rate and address as needed 12 78 ON Fig 8 DIP SWITCH BAUD RATE The baud rate can be SE The unit powers up with a default eee ee changed by powering 5 5 baud rate 9600 fixed data loop back down the unit OFF OEE GORE 200 protocol of 8 data bits no parity and changing the DIP LON 600 1 stop bit To change the baud rate switch and then OFF ON OFF 1200 unit address and loop back more on powering back up OFF ON ON 2400 the unit addre
9. d in the sections above If any transmission problems are detected an error message is displayed TECHNICAL SPECIFICATIONS PS2 Keyboard or Mouse VGA Video 1 KYBD DATA 1 RED 9 NC 2 MOUSE DATA 2 GREEN 10 GND 3 GND 3 BLUE 11 IDO 4 5 4 ID2 12 101 5 KYBD CLOCK 5 TST 13 HS 6 MOUSE CLOCK 6 RED GND 14 VS 7 GREEN GND 15 NC 103 8 BLUE GND Mating face of a 6 pin miniDIN female Mating face of a 15HD male PS 2 KEYBOARD AND MOUSE VGA VIDEO RS232 Port DB 9 MALE ae A 1 2 RXD Receive data 3 TXD Transmit data 6 T 9 4 DTR Data terminal ready 5 GND Signal ground 6 DSR Data set ready Mating Face 7 RTS Request to send of DB 9 Male 8 CTS Clear to send 9 No connection REMOTE RMT 2 ST 1 LED1 TTL output low port 1 selected Mating face of a 2 LED2 TTL output low port 2 selected 8 5 DIN female 3 SWT TTL of contact closure input 10K pullup 4 GND Ground 8 6 5 5 5V LEDs limited to 20 Low lt 4 volts High gt 2 4 volts Control When pin 3 SWT is brought low for a minimum of 10 MS and then returned high the switch will select the other port toggle TROUBLESHOOTING 1 Verify all cables are securely connected and that installation procedure was carefully followed 2 Verify that the power up sequence was observed 3 CPU seems to be locked up
10. d rate and unit address 3 Quit quit the program If Matrix Options is selected the following menu which has 7 options is displayed MATRIX OPTIONS 1 Reset single unit reset single matrix to power up defaults not applicable 2 Reset all units reset all daisy chained matrix units not applicable 3 Change single output connect an input to one output 4 Change all outputs connect an input to all outputs 5 Read single output read which input is connected to an output 6 Read unit size read how many inputs and outputs the unit has 7 Return to main menu go back to the MAIN OPTIONS menu The Setup Options main menu selection only needs to be executed if the switches baud rate or unit address have been changed from the factory defaults 9600 baud and unit address 1 When this option is selected the following menu which has 4 options is displayed SETUP OPTIONS 1 Set COM port default COM1 set port to COM1 COM3 2 Set baud rate default 9600 set baud rate see interface manual for supported baud rates 3 Set unit address default 01 set the unit address if multiple units are daisy chained 4 Return to main menu Go back to the MAIN OPTIONS menu For any selection that requires user input the user is prompted When commands are sent to the KEEMUX the command string and KEEMUX responses are echoed to the screen All commands generated by the program are formatted according to the information provide
11. niDIN female connectors for connection of user s keyboard and mouse 8 PWR for connection of optional power supply 9 AUD x optional for connection of audio cables from audio sources 10 AUD OUT optional for connection of audio cable to audio output devices speakers 11 RS232 optional for attaching RS232 interface cable from a CPU to control the functions of one or more switches 12 DIP SWITCHES optional for configuring RS232 communication and addressing functions INSTALLATION 1 OFF power to all CPUs that will be connected to the NTI Switch before connecting or disconnecting any cables WARNING Damage to the CPU may result if power is not turned OFF before connecting or disconnecting cables Connect PS 2 keyboard to USER KEYBD port on the rear panel of the switch See Fig 1 Connect PS 2 mouse to USER MOUSE port the rear of the switch Connect monitor to MONITOR port on the rear of the switch Using 1 VVKINT xx MM or 2 VKINT xx MM or VKEXT xx MM cables Fig 2 amp 3 required not supplied connect the keyboard and mouse ports of a PS 2 CPU 10 PC 1 KEYBD and 1 MOUSE ports on the rear of the switch Using VEXT xx MM Fig 4 required not supplied connect the video port of a PS 2 CPU to PC 1 VIDEO port on the rear of the switch 7 Repeat steps 5 amp 6 for connecting a second CPU to the remaining ports on the rear of the switch D VGA
12. ss and loop back later This table shows how ON OFF OFF 4800 8 SPST DIP switch on the panel to set the baud rate ON OFF ON 9600 near the DB 9 connectors can be OFF 9600 Used This table shows the DIP switch unit address 3 ON ON ON 9600 functions and their default positions UNIT ADDRESS DIP SWITCH UNIT ADDRESS To allow multiple units to be controlled from a single host a port the remote interface is designed to allow daisy chaining of up to 15 units By setting the appropriate a E T DIP switches each unit can be given a unique address 1 15 Then the unit will only respond to commands on the bus if its address is embedded in the command The loop back DIP switch should be ON for the last unit in the chain and OFF for all other units If only one unit is being controlled DIP switch 1 should be left ON This ON ON table shows how to unit address ON oN on 15 1 RS232 Interface Test Program RS232 communication is configured using the RMTEST program located on the supplied floppy disk This software allows a user to test the functions of an KEEMUX or Multi user Multi platform switch RS232 interface The RMTEST program generates a main menu with the 3 selections described below MAIN OPTIONS 1 Matrix Options send commands to the unit 2 Setup Options set COM port bau
13. tive control using RS232 connection Add RS to the part number i e KEEMUX P2 RS e Dual Video option supports CPUs with two video outputs Add to the part number i e KEEMUX P2 DV See our catalog visit our website at http www nti1 com or contact your sales representative for more details MATERIALS Materials Supplied with this kit e NTI KEEMUX P2 5 2 KVM Switch Additional material supplied when model includes AUD RS or DV option e 20 or 240VAC at 50 or 60HZ 9VDC 0 5A AC Adapter Materials Not Supplied BUT REQUIRED A set of 2 cables for each CPU being connected to the switch must be used PS 2 CPU to switch e VEXT xx MM 1 VVKINT xx MM for keyboard and mouse interface OR 2 VKINT xx MM for keyboard or mouse interface SELECT CPU1CPU2 12 11 PC2 1 USER 9 10 PC 2 VIDEO PC 1 VIDEO FEATURES AND FUNCTIONS 1 Status LEDs for visual indication of connection between the user and a specific CPU Also used for visual indication of switch mode status 2 CPU Select Switches push to manually switch to a specific CPU 3 Remote optional for connection of RMT 2 ST remote control 4 PC x VIDEO 15HD female connectors for attachment of video cables from CPUs 5 MONITOR 15HD female connector for connection of user monitor 6 PC x 6 pin miniDIN female connectors for connection of keyboard and mouse cables from CPUs 7 USER 6 pin mi
14. to monitor attached to the KEEMUX P2 USING THE NTI SWITCH The switch can be operated by the front control panel or by keyboard control Front Panel Control 1 Pressing the touch switch on the front panel will toggle between CPU 1 and CPU 2 and connect the selected CPU to the keyboard monitor and mouse 2 Holding down the CPU SELECT button for more than 2 seconds will cause the switch to cycle through 3 extended modes of operation SCAN BROADCAST and COMMAND see below for Command Scan and Broadcast Mode sections Release the button when the desired mode has been selected Keyboard Control In order to control the switch with the keyboard COMMAND Mode must be enabled To enter exit COMMAND Mode from the keyboard Press When the COMMAND Mode 3 status LEDs on the keyboard will illuminate to indicate that COMMAND Mode is enabled and the following functions are available NOTE The user must exit COMMAND Mode in order to type to a CPU Function Keystroke Increment Port or I gt move to next higher port Decrement Port or move to next lower port KEY SYMBOLS LEGEND PRESS EITHER KEY Toggle SCAN Mode ON and OFF CHORDED SEQUENCE PRESS CONSECUTIVELY AND KEEP KEYS PRESSED UNTIL ALL ARE PRESSED Toggle BROADCAST Mode ON and OFF PRESS CONSECUTIVELY xxx from 002 to 255 ie t 002 would set the time out period for 2 seconds
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