Owner`s manual

119
There are a total of eight jumper locations on the main
board, two for each port. One of the individual port
jumper locations is labeled LONG and the other is
labeled RX PASSIVE. The LONG jumper location has six
pins with a four-position block jumper and the RX
PASSIVE jumper has nine pins with a six-position block
jumper. You can change the receive circuit for individual
ports to active receive by using the following procedure:
1. Remove power from the base unit. Remove the
V76 module from the base unit chassis by
loosening the two straight-slot screws securing
the module to the chassis and pulling the module
out.
2. Locate the RX PASSIVE jumper location for the
desired port(s). Move the six-position jumper so
that it connects the six pins furthest away from
the RX PASSIVE marking on the board.
NOTE: If you wish to change from active receive
to passive receive, the six-position jumper would