INSTALLATION
INSTALLATION
Host side Multiplexer installation.
1.
Set the configuration switches on the rear panel of the host side
GEMINI EXPRESS MULTIPLEXER as follows:
SWITCH 1 ON SWITCH 2 ON for a point to point application
or
SWITCH 1 ON SWITCH 2 OFF for a ring application.
2.
The GEMINI EXPRESS MULTIPLEXER is designed for a 19”
rack. The unit should be properly installed using all four mounting
holes. Rack hardware is not provided. It is recommended that
plastic or nylon washers be used under mounting screws to protect
the chassis’s finish.
3.
A polling group is a group of ports which have one port active at a
time. The new AS/400 work station controllers (WSC) have two
polling groups. Ports 0-3 and ports 4-7 constitute the two groups.
The GEMINI EXPRESS MULTIPLEXER can accommodate two
polling in the same fashion. The GEMINI EXPRESS
MULTIPLEXER polling group #1 consists of ports 0-3 and
GEMINI EXPRESS MULTIPLEXER polling group #2 consists of
ports 4-7.
Do not connect more than one host polling group to a
GEMINI EXPRESS MULTIPLEXER
polling group.
Connect the
host ports to the GEMINI EXPRESS MULTIPLEXER ports.
WARNING
DO NOT LOOK INTO ANY FIBER OPTIC
CONNECTOR OR FIBER OPTIC CABLE!
4.
The GEMINI EXPRESS MULTIPLEXER has ST style fiber optic
connectors. Connect the multimode fiber optic cables to the optical
link connectors located on the rear panel of the MULTIPLEXER.
Note the fiber color or number on the “TX’ & “RX” to ensure proper
connection at the remote multiplexer location. Strain relieve and
label all cables.
5.
The external power supply is mounted on the rear panel of the
GEMINI EXPRESS MULTIPLEXER. The AC power cord must be
firmly inserted into the external power supply and strained relieved.
6.
Insert the male end of the AC power cord into a properly wired
receptacle. All data & mode LED’s on the GEMINI EXPRESS
CONFIGURATION
CONFIGURATION
The configuration switch settings are shown below.
1
2
ON
HOST SIDE MULTIPLEXER
POINT TO POINT MODE
CONFIGURATION SWITCHES
SWITCH 1: ON
SWITCH 2: ON
LEGEND
1
2
ON
HOST SIDE MULTIPLEXER
RING MODE
CONFIGURATION SWITCHES
SWITCH 1: ON
SWITCH 2: OFF
LEGEND
1
2
ON
DEVICE SIDE
MULTIPLEXER
POINT TO POINT MODE
CONFIGURATION SWITCHES
SWITCH 1: OFF
SWITCH 2: ON
LEGEND
1
2
ON
DEVICE SIDE
MULTIPLEXER
RING MODE
CONFIGURATION SWITCHES
SWITCH 1: OFF
SWITCH 2: OFF
LEGEND
