Enova DGX DXLink™ Fiber Boards
120
Hardware Reference Manual – Enova DGX 100 Series Digital Media Switchers
Fiber Optic Transceiver LEDs in Duplex and Simplex Hardware
DXLink Fiber Boards, Simplex are labeled “Simplex.” DXLink Fiber Boards, Duplex are not labeled.
Fiber optic transceiver LEDs* have different functionality for each of the data Directional Modes (see page 111). Duplex hardware is
designed for Bidirectional Mode, but can be configured for Unidirectional Mode. Simplex hardware only functions in Unidirectional
Mode. When Duplex hardware in Bidirectional Mode loses its return pat, it drops into Data Link-lost Mode.
Regardless of the Directional Mode that Duplex hardware is using, the transceiver’s TX LED is yellow and its RX LED is green.
Simplex transceiver LEDs are always blue.
NOTE: For instructions on setting Duplex hardware to a particular Directional Mode and information about each of the available
modes, see “Duplex Hardware Directional Mode Configuration” on page 121.
* Location of TX and RX LEDs depends on board orientation. Enova DGX 800/1600 - TX LED is right on input boards and left on
output boards; RX LED is reversed. Enova DGX 3200 - TX LED is on bottom and RX is on top for both input and output boards. Enova
DGX 6400 - TX LED is right on I/O boards in left side of enclosure and is left on I/O boards in right side of enclosure.
Transceiver LEDs in Bidirectional Mode – Duplex Only
The following information applies to the LEDs for the fiber optic transceiver on DXLink Fiber, Duplex Boards (and on DXLink Fiber
TXs and RXs) in Bidirectional Mode (as well as in Data Link-lost Mode).
FIG. 62
DXLink Fiber Boards, Simplex and Duplex
FIG. 63 Fiber optic transceiver LEDs on Duplex Input Board
DXLink Fiber Board, Simplex
DXLink Fiber Board, Duplex
Link Status LED:
• On – Link status is active
• Blinking – Unit in Data Link-lost Mode*
• Off – Link status is not active
Signal Status LED:
• Off – No video is present
• On (solid) – HDCP video is present
• Fast blink (mostly On) – Unencrypted video is present
• Slow blink (mostly Off) – Free-run video is present
* Data Link-lost Mode occurs when hardware in
Bidirectional Mode loses its return path.
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