A-net via fiber, Optical transceiver safety, A-net via fiber optical transceiver safety – Aviom AllFrame User Manual

Page 61: All frame

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Multi-Modular I/O System

A-Net Via Fiber

When an optional single- or multi-mode fiber optic SFP (Small Form-factor Pluggable ) transceiver is installed in

either the A or B fiber port, the matching RJ45 Cat-5e port is disabled. When both fiber ports are in use, A-Net

data to both Cat-5e ports is disabled but the Power Over A-Net (PoA) feature is still usable as a means of powering

the F6 Modular I/O Frame.

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Always power down the F6 Modular I/O Frame before installing or removing SFP fiber optic transceivers

to avoid damaging the SFP transceiver and/or F6 electronics.

DC Power 65w max

DC POWER

65W MAX

Each pair of Cat-5e and Fiber ports (A and B) are linked.

Using fiber connectivity increases the usable maximum distance between Pro64 devices in a network beyond

what standard Cat-5e cabling can provide. The actual distances that can be achieved are dependent upon the

type of fiber cabling used (single- or multi-mode), the number of junctions, patch points and connections made

in the fiber run itself, plus the power budget and light handling specifications of the SFP transceivers used.

SFP transceivers used with Pro64 devices should be capable of working with Fast Ethernet data rates (up to 155

Mbps); many Gigabit Ethernet SFP transceivers (up to 1.25 Gbps) are capable of working with Fast Ethernet data

rates as well.

Consult the SFP transceiver manufacturer’s product specifications to determine if a particular SFP transceiver is

appropriate for the application.

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When fiber connectivity is not required for an application, the SFP transceivers should be removed from

the F6 to enable the Cat-5e ports.

Optical Transceiver Safety

Observe the following guidelines when using SFP transceivers with your Aviom product.

An SFP is a Class 1 laser product. Avoid exposure to laser radiation and do not stare into open fiber apertures

when no fiber cable is connected.

SFP transceivers are sensitive to ESD (Electrostatic Discharge). Wear an ESD-preventive wrist strap that is connected

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