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Troubleshooting
6.0 TROUBLE SHOOTING
6.1 SYMPTOMS AND REMEDIES
Signal presence leds all come on
Keyboard not detected
None of the buttons work
Emergency Mic keeps triggering
6.1.2 RJ45 cabling configuration for system components (586A 'Straight through')
System components are connected using "pin to pin" configuration RJ45 data cabling as shown in fig 6.1B. When install-
ing ensure all connections are verified
with a LAN cable tester before switching any system component on.
Failure to follow the correct wiring configuration may result in damage to system components.
8
586A
7
6 TX-
Straight Through
5
(both ends)
4
3 TX +
Pins Face Upwards
2 RX-
1 RX+
www.altronics.com.au
Redback® A 4480B 8 In to 8 Out Audio Switcher
SYMPTOMS
Remove & reinsert keyboard, try another keyboard
The unit may be locked. Hold down confirm & cancel
buttons to unlock (and lock) the unit. See section 4.4.
Make sure the emergency mic is turned off when not
REMEDIES
Check internal fuses
Turn A 4480B off and repeat setup
in use.
Fig 6.1B
Redback® Proudly Made In Australia 33
1 TX+
2 TX-
3 RX +
4
5
6 RX-
7
8
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