Cisco Prisma DS3 E3 STS-1 Converter with Remote Management Installation Guide
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Prisma FiberLinX Gigabit Module Installation Instructions
4008630 Rev B
Troubleshooting
Troubleshooting the Prisma FiberLinX Gigabit Module
Condition Possible
Cause
If you cannot
establish a fiber link
establish a fiber link
• Make sure that the fiber transceivers on Prisma
FiberLinX Gigabit modules are not over/under driving
the fiber receivers. For fiber specifications, please contact
Scientific-Atlanta technical support.
the fiber receivers. For fiber specifications, please contact
Scientific-Atlanta technical support.
• Make sure the fiber mode and wavelength on both
Prisma FiberLinX Gigabit modules match (i.e., both are
1310 nm single-mode fiber).
1310 nm single-mode fiber).
• If using the FiberAlert feature, make sure that FiberAlert
is enabled on only one unit when connecting two Prisma
FiberLinX Gigabit modules or when connecting a Prisma
FiberLinX Gigabit module to another Scientific-Atlanta
media converter which includes the FiberAlert feature.
FiberLinX Gigabit modules or when connecting a Prisma
FiberLinX Gigabit module to another Scientific-Atlanta
media converter which includes the FiberAlert feature.
If you cannot
establish a link on a
twisted-pair port
establish a link on a
twisted-pair port
• Make sure cable connection is good; if not, replace the
cable.
Note: Prisma FiberLinX Gigabit module includes
AutoCross. You should detect link regardless of the
CAT-5 cable type.
AutoCross. You should detect link regardless of the
CAT-5 cable type.
• Make sure the port speeds on the Prisma FiberLinX
Gigabit module match those on the end devices
connected to the Prisma FiberLinX Gigabit module.
Scientific-Atlanta recommends configuring all connected
devices to Auto-Negotiation, or if using Force mode, be
sure speed and duplex match.
connected to the Prisma FiberLinX Gigabit module.
Scientific-Atlanta recommends configuring all connected
devices to Auto-Negotiation, or if using Force mode, be
sure speed and duplex match.
If two Prisma
FiberLinX Gigabit
modules are not
communicating
properly
FiberLinX Gigabit
modules are not
communicating
properly
• Make sure one is a Host and the other is a Remote. If the
second unit is NOT configured as a Remote, it will be
recognized as a Standalone unit and the Host and
Remote units will not communicate properly.
recognized as a Standalone unit and the Host and
Remote units will not communicate properly.
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