1 – 1 6
040 7448 329657 (04.97) PC-SW 4.5
C H A P T E R 1 : S Y S T E M D E S C R I P T I O N
1.5
Interfaces
The TITAN videocodec has a large number of back-panel connectors. These
connectors realise various interfaces, depending on application. FIGURE 1.7
shows the rear view of the codec. The socket designations in the following ta-
bles correspond to the labelling on the unit.
FIGURE 1.7
REAR VIEW OF THE TITAN VIDEOCODEC (CONNECTORS)
1.5.1
Audio interfaces
Level settings can be made in steps of 1.5 dB. The levels indicated are always
referred to 600
Ω
, i.e. a level of 0 dBm corresponds to 0.775 V
rms
TABLE 1.6
AUDIO INTERFACE SOCKETS
Socket
Function
MIC 1 / MIC 2
Microphone inputs
Line In
Line input
Line Out
Line output
Rec In / Out
Video recorder interface (audio)
Tel In / Out
Interface for external telephone hybrid
SP
Output for active loudspeaker
Socket: Mic 1 / Mic 2 (XLR)
Connect.
Signal
Electrical characteristics
1
GND
Audio
Level:
– 78 to – 32 dBm
a
Impedance: 600
Ω
,
sym.
Phantom circuit (switchable)
Voltage:
13.5 V DC
Int. resistance:
2.13 k
Ω
a
Factory setting: – 63 dBm
2
Audio a
3
Audio b
Socket: LINE in (XLR)
Connect.
Signal
Electrical characteristics
1
GND
Audio
Level:
– 16 to + 6 dBm
a
b
Impedance: 600
Ω
, sym. or
20 k
Ω
, sym.
a
Factory setting: 0 dBm
b
Level setting only possible in connection with echo cancellation
2
Audio a
3
Audio b
Note: Impedance selection by jumper; centre GND by jumper
2WUJ
2WUJ
Содержание Titan
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