Black Box Abeo Manual And Installation Manual page 6

2.4 Power up the MTU9XXX
The unit requires 100-250 VAC, 50-60 Hz AC supply. An alternative -48VDC power supply
is available for all models. See Section1 for further details on power consumption.
Plug an IEC mains cable into the back of the MTU9XXX and switch on. Check that the Alarm
LED on the rear panel is illuminated red or green, flashing or steady. If the LED is off, mains
power is not being supplied to the unit.
2.5 Connect the Customer and Network Ports
When the ports are connected, the Alarm LED should give a steady Green display. See
Section 3 for set-up information for the various models in the MTU9XXX range.
2.6 Optionally connect the alarm relay
The unit requires 100-250 VAC, 50-60 Hz AC supply. An alternative -48VDC power supply
is available for all models. See Section1 for further details on power consumption.
The MTU9XXX offers an Alarm relay to provide an external warning of problems which may
arise. The interface is presented on an RJ45 connector, and offers both normally open and
normally closed contacts. Maximum contact rating is 1.5 Amp at 125 VDC. Normal is the
powered up, non-alarmed state. The connections are shown in the table below:
Abeo/Opticon Fibre Converters
Pin
1
2
3
4
5
6
7
8
Contact
Normally Closed
Normally Open
Common
Not Connected
Not Connected
Not Connected
Not Connected
Not Connected
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