GatesAir PTR-255 Program Audio Codec Module
Intraplex Products Issue 2.1, February 2006
MPEG - 1200, 2400 or 9600 bps
G.722 – 1200, 2400 or 9600 bps, using G.722 modes 2 &
3
Analog Audio Input & Output
DB-15 on the MA-555 or MA-556
AES/EBU Audio Input & Output
DB-9 on the MA-555 or MA-556
RJ11 on the MA-555 or MA-556
Audio Interface Panel Option
The AIP-12X Audio Interface Panel is an optional 19-inch
rack mount panel that provides XLR connectors for
analog and AES/EBU input and outputs. One AIP-12X
supports up to two PTR-255 cards. An MA-555 or MA-556
is still required for each PTR-255.
Contact Closure Option (MA-556 only):
4 opto isolated inputs
Forward voltage: 1.1V typical, 1.4V max
Reverse current: 5A max
Forward current (DC): 50mA
Peak forward current: 1A
Reverse voltage: 6.0V
Terminal capacitance: 30pF
Power dissipation: 80mW/ch
4 relay closure outputs
Maximum switched voltage: 100VDC
Maximum switched current: 500mA
Maximum switched power: 10W