Technical data

PAGE 147
Interfaces
A4.6 Audio Interface
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. 19 PIN ASSIGNMENT: AUDIO INTERFACE (INPUT)
Socket: Input (XLR)
Pin Signal Electrical characteristics
1 Shield Input level: 0, +3, +6, +9 dBu
Impedance: > 15 kΩ
Head room: 6 dB
2 AUDIO IN a
3 AUDIO IN b
TAB. 20 PIN ASSIGNMENT: AUDIO INTERFACE (OUTPUT)
Connector: Output (XLR)
Pin Signal Electrical characteristics
1 Shield Output level: 0, +3, +6, +9 dBu
Impedance: < 20 Ω
Head room: 6 dB
2AUDIO OUT a
3AUDIO OUT b
TAB. 21 PIN ASSIGNMENT: TELEPHONE HANDSET SOCKET
Socket: Input/Output (Western 4-pole)
Pin Signal Colour coding of the cables at the Electrical characteristics
Handset Headset
1 Output a yellow blue 0Microphone sensivity: ~ 60 dB
with 1-kHz
2 Input a red black Microphone impedance:~ 2 kΩ
3 Input b white red Earphone sensivity:~ 97 dB
4 Output b black white Handset impedance:~ 150 Ω
Push
1
2
3
2
1
3
1 2 3 4