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Page: 18 Model BXAUDIO4X4
© 2005 Xantech Corporation
Extended Runs and Secondary Keypad In Zone
FOUR ZONE - FOUR SOURCE AUDIO/VIDEO CONTROLLER/AMPLIFIER
MRC44
1234
POWER
POWER
CH
CH
STATUS
SELECT
PLAY
STOP
PAUSE
FF
REW
VOL
VOL
MUTE
POWER
CH
CH
STATUS
SELECT
PLAY
STOP
PAUSE
FF
REW
VOL
VOL
MUTE
600 feet max (183 m)
IR Receiver
PWR
VGS
IR RCVR
IR Receiver
To 120 V AC
(unswitched)
782-00
Power Supply
MRC44
Connecting Block
FOUR ZONE - FOUR SOURCE AUDIO/VIDEO CONTROLLER/AMPLIFIER
MRC44
1234
POWER
POWER
CH
CH
STATUS
SELECT
PLAY
STOP
PAUSE
FFREW
VOL
VOL
MUTE
POWER
CH
CH
STATUS
SELECT
PLAY
STOP
PAUSE
FFREW
VOL
VOL
MUTE
200 feet max (61 m)
MRC44
Connecting
Block
IR Receiver
PWR
VGS
IR RCVR
IR Receiver
FOUR ZONE - FOUR SOURCE AUDIO/VIDEO CONTROLLER/AMPLIFIER
MRC44
1234
POWER
POWER
CH
CH
STATUS
SELECT
PLAY
STOP
PAUSE
FFREW
VOL
VOL
MUTE
400 feet max (122 m)
IR Receiver
FOUR ZONE - FOUR SOURCE AUDIO/VIDEO CONTROLLER/AMPLIFIER
MRC44
1234
POWER
POWER
CH
CH
STATUS
SELECT
PLAY
STOP
PAUSE
FFREW
VOL
VOL
MUTE
POWER
CH
CH
STATUS
SELECT
PLAY
STOP
PAUSE
FFREW
VOL
VOL
MUTE
200 feet max (61 m)
IR Receiver
A
B
C
D
400 feet max (122 m)
Figure 8 – BXAUDIO4X4/LC4KP Keypad CAT5 Cable Lengths
The maximum cable length for CAT5 connections to a single keypad is 400 feet (see Figure 11-A). For two
keypads in a zone, the distance to the last keypad is 200 feet (see Figure 11-B).
VGS
PWR
IR IN
CONTROLLER KEYPAD
MRCCB1
Figure 9 – MRCCB1 BXAUDIO4X4 Connecting Block
If both keypads in the zone are using an external IR receiver, the MRCCB1 Connecting Block (see Figure
8) is used to expand the connections on the back of the primary keypad as shown in Figure 8-C.
If your installation requires cabling beyond these limits you can use the MRCCB1 Connecting Block to
power the keypads from a separate run of +12VDC as shown in Figure 8-D. The +12VDC can also be
generated in the zone from a model 782 power supply or from a source at the Controller/Amplifier location
(run an 18 gauge speaker wire to the MRCCB1 Connecting Block to minimize line loss. This method will
extend the distance to the last keypad in the zone to a maximum of 600 feet.
The Maximum cable run to the external IR receiver in each of the above cases is 250 feet from the keypad.