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7. Using the dusting gas or compressed air, blow the areas cleaned.
Storing Fiberoptic Connectors
All fiberoptic connectors are shipped with dust caps installed on the connectors. Keep the dust
caps on the connectors whenever the fiberoptic connectors are not mated.
Handling Fiberoptic Cables
The SKB switch can be shipped with fiber pigtail outputs. These pigtails must be handled with
care to avoid damage.
Caution
Do not bend the pigtails with a radius under 4 cm (1.5 in). A small bend radius
adversely affects the optical performance of the pigtail and leads to early
failure of the pigtail.
Installing the Switch
Caution
•
Protection against reverse connection of the power input is not
incorporated in the SKB switch. Reverse connection of the power input
results in damage to the switch.
•
The SKB switch requires that the power input be within the tolerance given
at the unit. Care needs to be exercised in the design of the system power
to compensate for any wiring losses in cabling. Failure to maintain the
correct supply voltage can result in unpredictable operation of the switch.
Figure 5 shows the connector locations for the SKB switch. There are two connectors on the
switch. The first connector is a 25-pin D-subminiature connector used by the parallel interface.
The second connector is a nine-pin D-subminiature connector, which provides for the power
connection. A separate chassis ground connection point also is provided.
Figure 5: Connector and Chassis GND Locations
Getting Started – 12
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