Technical data

PAGE 116

Interfaces

A2.2 PRETALK interfaces

A2.2.1 HANDSET 1 & 2 interfaces

Two Handset interfaces are available at the rear side of the MAGIC TH6. To

these interfaces you can connect a telephone handset/headset for the

PRETALK. The pin assignment of the Connectors are shown in TAB. 8.

ATTENTION Pin assignment not standardised

Please note that the pin assignment of the telephone receivers is not standard-

ised. Additionally, it is important to consider the correct polarity of the Phan-

tom Power.

MAGIC TH6 Telephone Handsets and MAGIC TH6 Telephone Headsets are

optionally available.

TAB. 8 PIN ASSIGNMENT: HANDSET/HEADSET INTERFACE (HANDSET)

Socket: Western (4 pin) RJ10

Pin Signal Description

1HANDSET IN a/+5V phantom power Microphone:

Impedance: ~ 2kOhm

Sensitivity: ~ -60 dB @ 1-kHz

2 HANDSET OUT b (GND)

3 HANDSET OUT a Telephone receiver:

Impedance: ~ 150 Ohm

Sensitivity: ~ 97 dB @ 1-kHz

4HANDSET IN b