Zeisberg GmbH
Designation of the rear connection sockets and operating elements KA450
No. | Designation | Tension | Impedance |
1 | Mains switch | - | - |
2 | Fuse holder | - | - |
3 | Mains connection | 100-240V AC | - |
4 | External signal output left and right | Max. 16VSS | > 4Ω |
5 | Signal output free field left and right | Max. 16VSS | > 4Ω |
6 | Signal output air receiver left and right | Max. 16VSS | > 4Ω |
7 | Bonephone signal output | Max. 16VSS | > 4Ω |
8 | Signal output for monaural handset | Max. 1VSS | > 32Ω |
9 | Signal output for binaural handset | Max. 1VSS | > 32Ω |
10 | Signal input external intercom microphone | 2 - 20mVRMS (customizable) Auxiliary voltage 5V to 2.3 kΩ | 10kΩ |
11 | External signal input right | 0,2 - 2VRMS (customizable) | 10kΩ |
12 | External signal input left | 0,2 - 2VRMS (customizable) | 10kΩ |
13 | Signal input Feedback microphone | 2 - 20mVRMS (customizable) Auxiliary voltage 5V at 2.3 kΩ | 10kΩ |
14 | Patient answer button | Max. 5V DC an 10kΩ | - |
15 | Patient control panel | Max. 5V DC | - |
16 | USB interface | Max. 5V DC | - |
|---|---|---|---|
17 | RS-232 interface | Max. +/-12V DC |
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18 | Controller for contrast setting of the display | - | - |