UNPACKINGUNPACKING
Remove the packing material and check for the items below:

GEMINI EXPRESS MULTIPLEXER

A (100-240 VAC) input external power supply is attached on the rear panel.

USER'S MANUAL AC POWER CORD

(North American units only)
Visually inspect all items for damage. If any component is damaged, contact
NLynx Technologies for a replacement.
DO NOT APPLY POWER TO ANY DAMAGED COMPONENT!
PROBLEM SOLVINGPROBLEM SOLVING
If problems are encountered with the GEMINI EXPRESS MULTIPLEXER, the
following guideline is intended to provide a quick resolution.
1.) Collect all information relevant to this application.
• GEMINI EXPRESS MULTIPLEXER serial numbers
• Host type and operating system software level.
• Quantity, and type of peripheral devices.
• Interconnecting cable types and distances.
• Equipment environment.
• Interconnection diagrams.
2.) Setup the application with all Multiplexers in one room interconnected with
fiber optic jumpers. Verify the application with a host port and a terminal.
3.) Search through the common problems and possible causes provided below.
The GEMINI EXPRESS MULTIPLEXER front panel power LED is off!
• Verify that the AC & DC connections are proper.
• Verify that the AC outlet is functioning correctly.
If the problem persists, observe the status of the external power supply’s LED and
contact Decision Data’s technical support.
The GEMINI EXPRESS MULTIPLEXER RX LED is off or flashing!
• Verify that the fiber optic connectors are properly connected.
• Verify that the fiber optic budget and distance has not been exceeded.
The GEMINI EXPRESS MULTIPLEXER TX LED is off!
• Contact DECISION DATA technical support.
If problems persists, Contact DECISION DATA technical support.
A device is down or unstable!
• Verify that there is one host polling group per GEMINI EXPRESS
MULTIPLEXER polling group.
• Verify that the host’s device type matches the device.
Gemini Multiplexer
Users Guide
N
Lynx