Audio Interface; Interface + Auxiliary Interface; General - Philips SOPHO SuperVisor 25 Engineer's Manual

101 301
TA (Telephone 'a')
TB (Telephone 'b')
M A (Microphone 'a')
MB (Microphone 'b')
-48VOP (-48V DC)
GND (Ground 0V)
-48VOP (-48V DC)
GND (Ground 0V)
108 308
Figure 6-6 Analogue Operator Interface Signals on F122 Connector at Model 25.
Note: The S bus interface connector must be covered with a dummy connector (for safety
0
reasons).
6.5.

AUDIO INTERFACE

The audio interface consists of two circuits, audio-out and audio-in with separate female
CINCH connectors. They are meant for connection of audio equipment such as tape
recorder, exchange name announcer, etc. The position of this connector is shown in
2 "Items at the Rear Side of Model 25."
The specifications of the interface are as denoted in chapter
6.6. V.24 INTERFACE + AUXILIARY INTERFACE

6.6.1. General

The V.24 interface is combined with the auxiliary interface in one female 25p D-connector.
Therefore a splitted cable can be used to split the V.24 signals from the auxiliary signals. This
splitted cable is available as standard item. The wiring in this cable is depicted in
"Layout of Splitted V.24 / Auxiliary
Figure 6-8 "Auxiliary Interface Connector
Connector on the Supervisor."
connector on the SuperVisor. The pin numbers which are not mentioned in the table are not
used.
N.C.
N.C.
OCTIA (data in 'a')
OCTIB (data in 'b')
OCTOA (data out 'a')
OCTOB (data out 'b')
-48VOP (-48V DC)
GND (Ground 0V)
and Figure 6-3 "Items at the Rear Side of the Model
Cable.". The layout of the auxiliary connector is shown in
9p.". Table 6-1 "Pin Assignment on the 25p D-
gives an overview of the pin assignments on the 25p D-
7. "TECHNICAL DATA".
Figure 6-7
Figure 6-
35.".
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