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903-0623-00 Rev. A
briefly forcing the toggle switch to the active fiber in manual mode and then back to the automatic setting.
The FMB-X-2.5 alarm can also be disabled via software commands.
A plan view of the console FMB-X-2.5 is shown below. The 1310/1550 nm singlemode WDM coupler is
not visible and is mounted on the underside of the optical daughtercard below the dual LC bushings
shown.
FIBER F1
ST BUSHING
FIBER F2
ST BUSHING
3.1.3 Configuration Settings
Switch configuration settings for the remote and console FMB-X-2.5 cards are given in Table 3.1-3 and
Table 3.1-4. Note that both DIP switches (SW1 and SW2) are typically configured at the factory and
therefore the settings should never be changed from their original positions.
Remote FMB-X-2.5
Console FMB-X-2.5
High Density Backplanes
Standard Backplanes
Focal Technologies Corp.
OPTICAL
DAUGHTERCARD
SFP CAGE
TRANSCEIVER
Figure 3.1-4: Console FMB-X-2.5 Plan View
Table 3.1-3: SW1 Configuration Settings
Description
SW1:1
ON
OFF
Table 3.1-4: SW2 Configuration Settings
Description
SW2:1
Model 903 User's Guide, FMB-X-2.5 Version
FIBER
SWITCH
SFP
SW1:2
SW1:3
ON
ON
ON
ON
SW2:2
SW2:3
OFF
ON
OFF
OFF
OFF
OFF
RX 1310 nm
DIN 41612
96-PIN
BACKPLANE
CONNECTOR
TX 1550 nm
SW1:4
ON
ON
SW2:4
OFF
OFF
Page 3-5
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