AEQ DIGITAL COMMENTARY UNIT Customer's Manual page 30

2.5 Using the Commentary Unit (CU) with a Commentary Control Unit (CCU)
All the above detailed features and functions are available to the user when
operating the CU in conjunction with a CCU.
2.6 STAND ALONE use
The restrictions which use of the console in " STAND ALONE" mode imply are
as described in section 2.2. above. If you wish to control remotely the CU
through an ISDN connection using the data channel of an AEQ codec, contact
with AEQ technical staff who will supply you of a software version with a data
channel of 1200 bps.
The use through ISDN must be emphasized because of the need for few
technical recourses and the availability of markedly improved operability:
The local wiring is as follows:
The CU output MIXED OUT is connected to the audio input of a codec. The
audio output of a codec is connected to the LEFT F' BACK input of the CU: this
signal will be heard through the left earphone.
The codec DATA PORT is connected to the CONTROL DATA PORT of the
CU.
The MIXED OUT signal is sent to the right earphone.
The codec is connected to a terminal adapter and from this to a basic ISDN
access.
The remote wiring in the broadcast studio is as follows:
The basic ISDN access to the terminal adapter and from this to the codec.
The codec audio output to a mixer input channel.
The codec audio input to the mixer mix-minus bus output.
The codec data port to a serial port on the control PC.
Thus the CU is remotely controlled by the PC software from the control studio
(see also Section 4). The program is sent at the same time as F' Back is
received from the studio, through the codec.
Digital Commentary System
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