A4.6 Audio Interface; A4.7 Handset/Magic Hybrid Headset Socket - AVT Magic Touch Operating Manual

A4.6 Audio Interface
TAB. 19
Socket: Input (XLR)
1
3
Pin Signal
2
1 Shield
2 AUDIO IN a
3 AUDIO IN b
TAB. 20
2
Connector: Output (XLR)
3
Pin Signal
1
1 Shield
2 AUDIO OUT a
3 AUDIO OUT b
A4.7 Handset/MAGIC Hybrid Headset Socket
Ether the Handset or the MAGIC Hybrid Headset (see CHAPTER 3.5, page 23)
are connected via this socket.
TAB. 21
Socket: Input/Output (Western 4-pole)
Pin Signal
1 Output a
1 2 3 4
2 Input a
3 Input b
4 Output b
PIN ASSIGNMENT: AUDIO INTERFACE (INPUT)
Electrical characteristics
Input level:
Impedance:
Head room:
PIN ASSIGNMENT: AUDIO INTERFACE (OUTPUT)
Electrical characteristics
Output level:
Impedance:
Head room:
PIN ASSIGNMENT: TELEPHONE HANDSET SOCKET
Colour coding of the cables at the Electrical characteristics
Handset Headset
yellow blue
red black
white red
black white
I n t e r f a c e s
0, +3, +6, +9 dBu
> 15 kΩ
6 dB
0, +3, +6, +9 dBu
< 20 Ω
6 dB
0Microphone sensivity: ~ 60 dB
with 1-kHz
Microphone impedance:~ 2 kΩ
Earphone sensivity:~ 97 dB
Handset impedance:~ 150 Ω
P A G E 14 7