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903-0623-00 Rev. A
6.0 Media Converter Cards
Media Converter Cards use their own optical link, either on a separate fiber or combined as separate
wavelengths on an existing fiber, to transmit typically high data rate signals, such as high resolution
sonars, HD-SDI video, 100 Mbps Ethernet, and high-speed ECL/PECL data links. The media converter
cards can be also be used in a standalone format with their own small enclosure and power supply.
Various hybrid cards are also available which combine several signal types (optical, data, video) on a
single card, for example the high-density boards used on high-density remote racks.
6.1
ECL-02 - Dual ECL Interface Board
Card P/N 903-5050-XX
The ECL-02 Dual ECL interface board is an optical interface card providing fiber optic transmission of two
high-speed ECL signals between the remote and console modules. Each channel may be independently
configured as an input or output: typically both channels are inputs at the remote end for sonar heads,
and both channels are outputs at the console end for connection to sonar processing units. The ECL-02
may be installed in any data card slot or in a standalone mode with its own small enclosure
A front panel view of the card in Figure 6.1-1 shows connector and LED locations. The data mode LEDs
by each channel indicate the current optical and signal mode: red LEDs mark an ECL input, usually on
the remote card, and green LEDs mark an ECL output, usually on the console card. Both channels A and
B have dual SMB connectors. In single ended configurations, such as the Reson 81xx, only the ECL+
input/output SMB connectors are used.
Focal Technologies Corp.
Figure 6.1-1: ECL-02 Front Panel
Model 903 User's Guide, FMB-X-2.5 Version
Page 6-1
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