Clear-Com HX System Frames - Manual (Page 87)

Important note:
Primary and secondary fiber ports are reversed with respect to the front panel indicators.
Care should be taken when connecting or disconnecting cables to ensure that they are
connected correctly and not reversed.
Key to E-FIB rear panel connectors
Feature Description
A
+3.3-Volt Power Supply LED
When this green LED is lit, the +3.3-volt power supply (supplied by the matrix
frame) is present and supplying electric current to the card.
B
Fiber transceiver with Duplex LC type connector. The TXVRB connector is
used for the secondary ring.
C
Fiber transceiver with Duplex LC type connector. The TXVRA connector is
used for the main ring.
Table 19: Key to E-FIB rear panel connectors
Single mode 9/125µ fiber optic cable should be used for connections and the matrices
should be wired up with the system with the lowest I/P address being system 1.
The fiber optic cable for the primary and secondary circuits are plugged into the appropriate
ports. An example showing three systems configured with a primary and secondary ring is
shown in
Figure 29: Primary and redundant ring configuratio n.
87 Eclipse HX-Median User Guide