pushing down until it is flush with the PCB. Remove
the jumper by gripping the device and gently pulling
upward. Refer to Figure 4.
The relay switcher can be configured for different
switching matrices. Specific configurations are set
by installing and/or removing jumpers. Jumpers are
labeled
on the PCB. Jumper configura-
tions are determined based on installation site equip-
ment requirements.
Table 3 lists the jumper
configuration options obtainable by modifying the
main board jumper placement.
Table 4 indicates the jumper configuration options
obtainable by modifying the audio driver board
jumper placement
only). In both Tables 3
and 4, “IN” indicates that the jumper remains installed
on the PCB and “OUT’ indicates that the jumper is
removed from the PCB. Remove jumpers
JP12, JP13, JP14, and
on the main board on
units.
NOTE: Table 4 references jumper options
avail-
able in the
only. addition, jumper
J U M P E R
J U M P E R
(BOTTOM VIEW)
C O N N E C T I O N P I N S
- P C B
Figure 4
Jumper
figurations
that
indicate stereo
in Table 3
pertain to the
unit.
Once the address DIP switches are set and the desired
jumper configurations are in place, re-install the
or the
top cover.
2.5
Installing the
or
in the Rack
The
and
are supplied with two rack
ets into the threaded holes provided
on the
unit’s
mounting brackets included in the accessory kit. Using
ing. Align the holes in the brackets with appropriate
the screws provided, install the right and left side
holes on the rack and mount the unit
into the rack.
2.6 Wiring the Audio Inputs and Outputs
CAUTION: Make sure that power to the audio
switcher unit is OFF before performing the fol-
lowing procedure.
All audio connections to the
or the
are wired to removable
screw terminal block
TABLE 3
MAIN BOARD JUMPERS
Configura-
tion
JP2 JP3
16x
Stereo
8 x 4
B a l a n c e d
out out out
I
8 x 2
Stereo
I
I
connectors (TB) which are installed on the unit’s rear
panel.
has 32 inputs and is equipped with
one row of four 16-pin input connectors (TB 1- TB4) and
one 16-pin output connector (OUTPUT).
The
has 64 input positions and is equipped with
two rows of eight 16-pin connectors. The bottom row is
labeled l-32
The top row is labeled 33-64
TABLE 4
AUDIO RELAY DRIVER BOARD
JUMPERS
ONLY
Configura-
tion
JP12 JP13 JP14
3 2 x 1
In In In In In In
12
X537-396