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6800/7000 Series - Distribution and Routing Products Installation and Operation Manual 101
Specification Chapter 10: VSE-6802 Serial Equalizing Distribution Amplifier Module
Jumper and Potentiometer
Jumpers and
Potentiometer
Name Function
J1 Auto
Reclock/
270MHz
This jumper provides the
selection of the reclocking mode.
In the Auto Reclock mode, the re-
clocking circuit locks the input
data to one of the five rates
automatically. In 270 MHz mode,
the reclocking circuit locks the
input data to 270 MHz directly,
which reduces the re-locking
time.
J2 No-lock
Disable
When the input data is not locked
and J2 is set at the No Lock
position, the contact closure port
will not report the no-locking
alarm.
J3 No-data
Disable
When the input data is not
present and J3 is set at the
N_DATA position, the contact
closure circuit will not report the
alarm of the data absence out.
R2 (pot) Threshold
Level
This pot is designed for the
adjustment of the input data
threshold level in the input level
detect circuit. Used to eliminate
the maximum cable length. (The
shorter the cable, the less jitter).