903-0628-00 Rev. 1
Model 903-HD User's Guide – FMB-X-2.5
Focal Technologies Corp.
Page 3-2
LEDs on the front panel match those described in the console FMB-X-2.5 section and allow direct monitoring
of the optical link status (LINK), optical receive power (FO-RX), and the status (STAT) of the on-board
diagnostics. See the console FMB-X-2.5 section for more details on LEDs.
The Ethernet port supports both 10 Mbps and 100 Mbps devices on the copper link. The optical Ethernet link
through the multiplexer is 100 Mbps. The older GLINK FMB-X supports only 10 Mbps through the multiplexer.
The maximum data rate supported by the Ethernet link is indicated on the panel silk screen and is an easy
way to differentiate the FMB-X-2.5 (100M) and older FMB-X (10M) cards.
Diagnostics for the FMB-X-2.5 can be accessed at the RS-232 port on both remote and console cards, and
also via the RJ-45 Ethernet port at both remote and console ends. See console FMB-X-2.5 for more
information about diagnostics and also refer to diagnostics manual 903-0622-00.
A plan view of the remote FMB-X-2.5 is shown in the figure below. The 1310/1550 nm singlemode WDM
coupler and 1 x 2 splitter are not visible: both are mounted on the underside of the optical daughtercard below
the two dual LC bushings shown.
RX 1550 nm
TX 1310 nm
SFP
TRANSCEIVER
DUAL ST
BUSHING
TURRET
OPTICAL
DAUGHTERCARD
SFP CAGE
DIN 41612
96-PIN
BACKPLANE
CONNECTOR
Figure 3-2: Remote FMB-X-2.5 Plan View
No customer switch settings are required for configuration of the FMB-X-2.5 remote card. All video channels
are handled at 10-bit digitization and all data slots are sampled as “high speed” slots, similar to slot “D” on
older 903 systems.
Summary of Contents for Focal 903
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