Thinklogical Velocitykvm Desktop Manual - Manual (Page 11)

Revision A 11 October 2011
2.3 Module LEDs
Both the Transmitter and Receiver Modules feature five LEDs. Their functions are as follows:
Transmitter LEDs
L2 Fiber Connected
Non-functioning
Alarm Condition (flashing)
USB 2.0 Link Established
Host Communication Established
USB 2.0
L3
Receiver LEDs
L1 Fiber Connected
Alarm Condition (flashing)
USB 2.0 Link Established
Device Communication Established
CTRL
L3
L3 Fiber Connected
2.4 Fiber Optic Cable
Fiber optic cables connect the Transmitters to the Receivers. Standard multi-mode fiber optic cables
must be 50 or 62.5 micron, terminated with LC type fiber optic connectors. Be careful not to kink or
pinch the fiber optic cable as it is being installed and keep all bend radii to no less than 3 inches
(76.2mm).
Standard multi-mode fiber optic cable (up to 1000 meters),
50 or 62.5 microns, terminated with LC-type connectors
◄Transmit ◄Receive
With two fibers connected (in models with one SFP) or with three fibers connected (in models with two
SFPs) video information is transmitted from the TX to the RX over fiber L1 (and L3 in models with two
SFPs). Fiber L2 is used as a data return path from the RX to the TX, allowing full duplex, bi-directional
RS-232 data transfer.