Operation
S768DAV – S7768DAV User Manual
22
4
O
PERATION
4.1
N
ORMAL
O
PERATION
S768DAV fiber links operate automatically after installation. Refer to paragraph 4.4 for details on how to
execute the test mode. For description of LED color codes and an explanation of how to diagnose system
faults using the LEDs built into the units, refer to section 5, Troubleshooting.
4.2
LED O
PERATION
The S768DAV modules have built-in Status Monitoring And Reliability Test System (SMARTS
)
diagnostic capabilities that include LED indicators for monitoring data and optical status. The S768DAV
fiber units have nine pairs of LED indicators that describe the current state of operation; the current status
of video, audio, and data signals; and fiber optic signal strength.
These indicator pairs are LASER and LEVEL/LOSS, VIDEO IN/OUT, AUDIO 1 IN/OUT, AUDIO 2
IN/OUT, DATA 1 IN/OUT, DATA 2 IN/OUT, CONTACT 1 IN/OUT, CONTACT 2 IN/OUT, ENABLED 1,
and ENABLED 2. See Figure 12. The operation of the front panel LEDs is described in the following
paragraphs.
Figure 12. Front Panel LEDs
4.2.1
LASER I
NDICATOR
A green LASER LED indicates the laser is operating normally. A red LASER LED indicates the laser is
malfunctioning.
11-0768DAV-B/ December 2003
