— 11 —
Unbalanced
Operation
If the analog line outputs of the SOFIA 568 are connected to
low-level, unbalanced inputs of consumer-grade equipment,
connect the center conductor of the shielded output lead to Pin
2 of the XLR connector and the shield to Pin 1. Leave Pin 3 un-
connected.
Driving unbalanced lines, the actual output level will be
6dB
lower than the
Analog Level
shown in the menu, as only one side
of the bridge-configuration output stage is driving the load.
AES Digital
Line Output
The male XLR connector labeled
AES DIGITAL OUTPUT
is a bal-
anced, transformer-coupled digital AES3 stereo program out-
put. This is a 24-bit output at either a 44.1kHz or a 48kHz
sample rate (follows Dante sample rate settings, see Page 33).
The digital output level is set on the
Setup / Audio Outputs / Digital
Level
menu. The
dBFS
notation beside the slider control corre-
sponds to the level of program peaks at 100% modulation
(±75kHz FM carrier deviation). The level is adjustable between
0dBFS
and
–30dBFS
.
AoIP Streaming
Port and Levels
The Dante-compliant AoIP (Audio over Internet Protocol) out-
put appears at the rear-panel RJ45
AoIP PORT
. This port is in-
dependent of the SOFIA 568
LAN PORT
network connection.
The AoIP streaming output level is set on the
Setup / Audio Out-
puts / AoIP Level
menu. The dB notation beside the slider control
corresponds to the level of program peaks at 100% modulation
(±75kHz FM carrier deviation). This level is adjustable between
0dBFS
and
–30dBFS
.
LAN Network
Port
The RJ45
LAN PORT
jack is used for networking the SOFIA 568
via a Local Area Network (LAN) or the Internet. Networking
permits full remote control and the Web-browser ‘casual listen-
ing’ utility that can accommodate up to 10 simultaneous listen-
ers. The
LAN PORT
also offers full SNMP functionality. Net-
working setup is explained starting on Page 31.
GPOs
A removable screw-terminal strip on the rear panel gives access
to four GPO (General-Purpose Output) terminals. GPOs may be
assigned to reception- and program-fault alarms. Programming
these terminals is detailed on Page 31.
GPOs are NPN transistors that saturate to ground and can sink
up to 100mA. Alarm polarity (active for ground or active on
open) is programmable through software.
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