NTI ST-FOUSB4K-LC User manual

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ST-FOUSB4K-LC
DVI/HDMI USB KVM Extender
Over Optical Fiber
User’s Guide

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Front/Rear Panel and Connectors
Transmitter
Receiver
System Installation
1. Attach RX [DVI Out] to monitor by DVI-to-DVI or DVI-to-HDMI cable.
2. Attach keyboard/mouse/Touch screen to the RX USB-A for remote
console.
3. Attach PC’s USB to the RX’s USB-B port if there is a local RX PC.
4. Attach TX’s [DVI In] to PC DVI/HDMI by a DVI-to-DVI/HDMI cable.
5. Use a USB B-to-A cable to attach TX’s USB-B to PC.
6. Attach keyboard/mouse to the TX’s USB-A if you need TX local console.
7. Use a Dual Core LC connector SM Fiber cable to directly connect [SFP+]
port of TX to RX.
8. Power ON TX and RX. The TX’s PC DVI/HDMI will be displayed on the
RX’s monitor. The RX’s monitor EDID will be available on the TX’s PC.
9. The USB keyboard/mouse/Touch at the remote console should be able
to control the TX’s PC.
Note: This product can support HDMI source and monitor by using
DVI-to-HDMI cable for HDMI resolution up to 3840 x 2160 @ 30Hz.

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TX Hot-key Operation
a. <Scroll Lock><Scroll Lock>L <Enter> ---> Lock/Unlock remote access
(toggle)
b. <Scroll Lock><Scroll Lock>U <Enter> ---> enter Firmware Upgrade
Mode
RX Hot-key Operation
a. <Scroll Lock><Scroll Lock>R ---> switch to RX PC.
b. <Scroll Lock><Scroll Lock>T ---> switch to TX PC.
c. <Scroll Lock><Scroll Lock>U <Enter> ---> enter Firmware Upgrade
Mode
<Scroll Lock> LED
a. Press <Scroll Lock><Scroll Lock> ---> <Scroll Lock> LED will blink (<Caps
Lock> and <Num Lock> turn off) to indicate the Extender is in
Hotkey Mode.
b. The <Scroll Lock> LED will blink when TX pressed <Scroll Lock><Scroll
Lock>L to lock RX access (<Caps Lock> and <Num Lock> LED not
changed).
Setup TX/RX RS-232 Baud rate
Method 1:
1. Connect PC COM port to TX.
2. Run TeraTerm on PC, set PC COM port baud rate to 115200 bps
3. Power On TX, press <Ctrl-C> in 3 seconds until “#”prompted (in
COMMAND mode)
4. # baud 9600 <Enter> ---> set baud rate 9600 bps

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Method 2:
1. Connect PC COM port to TX.
2. Run TeraTerm on PC, set PC COM port baud rate to 115200 bps
3. Attach a keyboard to TX’s USB downstream, then enter:
<Scroll><Scroll>C <Enter>
4. This will force TX in COMMAND mode, press <Enter> to get prompt #.
5. # baud 9600 <Enter> ---> set baud rate 9600 bps
6. # exit <Enter> ---> get back to DATA mode for TX/RX bi-direction
communication
Note: Baud rate setup is necessary only for TX, the RX baud rate will be set
by TX after TX/RX inter-connected.
Firmware Upgrade
1. Use a USB B-to-A cable to attach the TX/RX USB-B port to PC.
2. Attach a USB keyboard to the TX/RX unit.
3. Press hotkey: <Scroll Lock><Scroll Lock> U <Enter>
4. The TX/RX unit will enter Firmware Upgrade mode.
5. Run the UPGRADE.exe program, then click “Connect”button.
6. The program will display
“Device connected”if the
connection is succeeded.
7. Click […] button to
navigate to the firmware
file (.BIN) for upgrade:
8. Press the “Upgrade”
button to start firmware
upgrade.

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Specification
TRANSMITTER RECEIVER
DVI IN
1
N/A
DVI OUT
N/A
1
USB Upstream
1
1
USB Downstream
4
4
RS-232 Baud Rate Support
1200, 2400, 4800, 9600, 19200, 38400,
57600, 115200 bps
Max RS-232 throughput
4KB/sec. delay 50 ms.
Power
DC 12V 1A
DVI Resolution
Up to 1920 x 1200 @ 60Hz
HDMI Resolution
Up to 3840 x 2160 @ 30Hz
Inter-Connect Cable
Duplex LC Single-Mode Fiber Cable (1.4 KM)
SFP+ Transceiver
Multi Rate 4.9152Gbps to10.3125Gbps
Environment
Operating Temp.
0 to 70℃
Storage Temp.
-40 to 100℃
Humidity
0 ~ 80% Non-condensing
Physical
Properties
Material
aluminum
Weight
407g
Dimension
150(W) x 110(L) x 28(H) mm