Siemens optiPoint 500 Service Manual page 59

Nur für den internen Gebrauch
Recorder port: MW 6/4
Pin 1
NC
Ports 2 and 3 and ports 4 and 5 are connected to each other.
Electrical Requirements
Headsets that are connected to the headset plus adapter must meet the same requirements
as those connected to the headset adapter.
Recorders that are connected to the headset plus adapter must meet the following require-
ments:
●
Input impedance:
●
Frequency variation:
●
Beep level:
●
Max. input level:
The headset plus adapter already contains an electrical isolator for the recorder port.
P31003-E8400-A100-3-7620
Service Manual
2 3
NF+ NF+
Recorder port
1 2 3 4 5 6
>10 kohm
300 to 3,000 Hz ± 3 dB
-26 dBm to -18 dBm with a 600-ohm load
650 mVeff from a 600-ohm source
Option Adapters and Ports
optiPoint 500 recorder adapter
4 5
NF NF
6
NA
5-13