Thrane&Thrane TT-3064A, Руководство пользователя

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Appendix A - List of Abbreviations
15Oct99
Page -73
Phone/Fax Connector
A 2-wire 600
Ω
6 pole RJ-11 Phone/Fax connector is available on the cradle unit. A fax
machine, e.g. the optional TT-3612A G-3 Fax Machine or a standard 2-wire DTMF telephone
can be connected to the interface. The Phone/Fax interface complies with CCITT Rec. G.473
and CCITT Rec. T.30 Group-III fax.
The pin assignments and the pin functions are described in the figure and table below.
Figure Figure 6 6 --55 Phone/Fax Connector Phone/Fax Connector
Phone/Fax Connector
Pin no.
Pin Function Signal Direction
1 Not used

2 Not used 
3 Signal A (Ring) Input / Output
4 Signal B (Tip) Input / Output
5 Not used 
6 Not used 
Table Table 11 11 Phone/Fax Pin Assignments Phone/Fax Pin Assignments
External Microphone Input
A standard hands-free kit microphone can be connected by a ø2.5 mm mono connector for
hands-free operation. The center conductor feeds +2.5 Vdc to the built-in preamplifier of the
microphone (standard hands-free microphones).
E E
LECTRONIC LECTRONIC
U U
NIT NIT
C C
ONNECTORS ONNECTORS
The electronic unit is the main unit for the power supply, transceiver unit and
interconnections. It has an insertion slot for a SIM card, otherwise it is a black-box.
Figure Figure 6 6 --66 Electronic Unit Connector Outline. Electronic Unit Connector Outline.
DC Input connector
Pin Number
Pin Function Signal Direction