User Instruction for the
USB- 884 Series "MegaMux"
Keyboard, Mouse, and VGA Video Multiplexer
Congratulations on your purchase of a VETRA USB Multiplexer! This quality product is designed and built in the
USA and is backed by a VETRA Three-year Warranty and unlimited free technical support. You are welcome to comment,
please email us at [email protected] or call us at the numbers given at the end.
INTRODUCTION
The USB-884 "MegaMux"
KVM Splitter/Multiplexer allows four workstations, each consisting of a USB keyboard, mouse,
and one or two VGA monitors, for some models - see below, to share local access to one PC with only one workstation being
active at a time. The USB-884-KM models handle keyboard and mouse only while the USB-884-KMV adds the capability of
one monitor to the workstation. The USB-884-KMV2 models allow the capability of dual video monitors to each workstation.
Please note that with the above models the monitor(s) at both workstations will be viewing the same image(s) at all times.
INSTALLATION
1. Connect the Multiplexer to the PC:
(a) Use the USB Type A-B cables, supplied with the system, to connect two of the PC's USB ports to the two USB Type B
connectors of the Multiplexer marked "TO PC". This finishes the connections to the PC for the USB-884-KM and USB-884-
KM-KS models.
(b) Connect the HDD15 male/female video extension cable to the PC’s female video port and the other end to the
Multiplexer’s male connector marked “TO PC MON”. For -KMV2 models connect the HDD15 male/female video extension
cable(s) to the PC’s female video port(s) and the other end to the Multiplexer’s male connectors marked “TO PC MON A” and
“TO PC MON B”.
2. Connect Workstations to the Multiplexer:
(a) Use the normal keyboard cable to connect to one of the USB Type A connectors on the backpanel of the Multiplexer
marked "STA-1 IN-A". Use the normal mouse cable to connect to the female connector on the backpanel marked "STA-1
IN-B". This finishes the connection to the Multiplexer for the USB-884-KM and USB-884-KM-KS models.
(b) Connect the VGA monitor to the Multiplexer’s backpanel 15-pin HDD connector marked “STA-1 MON”. For the -KMV2
models, connect the monitors to “STA-1 MON A” and “STA-1 MON B”
(c) Repeat the above steps for Workstations 2, 3, and 4, connecting the keyboards, mice and monitors to “STA-2”, “STA-3”,
and “STA-4” inputs.
OPERATION
1. Power Up Sequence
All MegaMux Splitter/Multiplexers are powered by an external wall plug-in supply, the VIP-211 (+5Vdc 2A reg. 110 - 240 V
ac 50 - 60 Hz). First plug the power output plug of this external supply into the mating jack on the front panel of the
Transmitter marked "+5VDC IN", and only then plug the supply into a suitable AC power source. Since the
Splitter/Multiplexers have no separate power on/off switch, it is recommended that the power supply be connected to an
AC power source that has a power on/off switch.
275-J MARCUS BLVD HAUPPAUGE, NY 11787 USA
Tel: 631-434-3185 Fax: 631-434-3516
www.vetra.com email: [email protected]
