16
4 PS-AMP IP to Speakers Streaming Decoder
Yellow LED
: On power up, flashes periodically while waiting for a
connection. Once a connection is established, it flashes whenever data is
throughput.
The connector is wired as follows:
Pin 1: Receive data+
Pin 2: Transmit data+
Pin 3: Transmit data+
Pin 6: Receive data-
Pin 5: Ground
All other pins are unused.
RS232 Serial Port
This is a 9 pin D-type socket which can be used to
update the firmware or send commands to the unit.
The connections are as follows:
Pin 2: Transmit data
Pin 3: Receive data
Pin 5: Ground
All other pins are unused.
IEC Power Plug & Fuse
The IEC power plug is a universal
filtered IEC, continuously rated
85-264VAC @47-63Hz, max 10W.
The fuse socket is a where the
anti-surge fuse 1A 20 x 5mm fuse
is inserted. Please unplug the unit
whenever opening this cover.
Technical Specification PS-AMP
Analogue Outputs:
2 x speaker connectors (2 each black and red
terminals)
1 x ¼ inch (6.35mm) stereo jack headphone
socket
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headphones
Headphone Level Range: -60dB – 18dB via front panel control knob
or optional IR controller
USB Port:
1 x USB A socket
GPOs (General Purpose
2 x switchable relay contacts (simultaneously
Outputs):
switched) controlled from PS-SEND
Serial Port:
1 x 9 way D-type socket, used to send
control commands and update firmware
Ethernet Port:
1 x RJ45 socket. Remote control commands
can be sent via TCP or UDP as well as
firmware updates.
IR Remote Receiver:
Remote commands can be sent using
optional remote control via built in IR sensor
Speaker Power:
15W per channel into 8ohm @ 10% THD+N
Mains Input:
Filtered IEC, 85 - 264VAC, 47 - 63 Hz,
60W max
Fuse Rating:
Anti-surge fuse 1A 20 x 5mm
Audio Codec Specifications Decoder
G.711 (U Law/A Law 8kHz to 48kHz sampling rate)
WAV (IMA ADPCM+ 16bit PCM uncompressed: 8kHz to 48kHz)
MP3 MPEGv1 Layer 3 (32, 44.1 and 48kHz, CBR +VBR +ABR)
MP3 MPEGv2 Layer 3 (16, 22.05 and 24kHz, CBR +VBR +ABR)
Ogg Vorbis (floor 1)
Fig 4-10: PS-AMP
RS-232 Serial Port
Fig 4-11: PS-AMP IEC Power Plug & Fuse
