2 INSTALLATION
RT2048
2.2.
HANDSET
The handset can be placed anywhere near the VHF set. The cable is five-cored and connected to the rear
of the VHF through a 9-pole Sub-D connector.
Installation of the cable, see the drawings of the mounting brackets. The cable grommet must be placed
in the most convenient groove in the mounting bracket.
If more than one handset is needed, please see the section SPECIAL INSTALLATION WITH 2 OR 3
MICROTELEPHONES.
2.3.
MICROTELEPHONE CONNECTOR
Pin No. 1 Telephone
Pin No. 2 GND
Pin No. 3 GND
Pin No. 4 Mic
Pin No. 5 Key
Pin No. 6 Spare
Pin No. 7 Distress CRY*
Pin No. 8 “Serial input”
25666
Pin No. 9 +13V internal
* only active when option board pcb is installed.
2.4.
POWER SUPPLY
The standard power supply for RT2048 is 12V DC. For 24V DC supply an external power supply N420
(a 24V DC to 13.2V DC serial regulator) can be used.
For 110V AC, 127V AC, 220V AC, or 237V AC operation an external power supply N163S must be used
together with N420.
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Summary of Contents for RT2048 VHF
Page 1: ...INSTALLATION MANUAL SAILOR RT2048 VHF ...
Page 4: ......
Page 11: ...1 INTRODUCTION RT2048 Page 1 7 9403 BLOCK DIAGRAM ...
Page 12: ......
Page 22: ...2 INSTALLATION RT2048 Page 2 10 9346 626945 625473 ...
Page 24: ...2 INSTALLATION RT2048 2 8 REAR VIEW OF VHF RT2048 25567 9350 Page 2 11 ...
Page 26: ......
Page 31: ...3 Service RT2048 3 10 PIN CONFIGURATIONS Page 3 5 ...
Page 32: ...3 SERVICE RT2048 Page 3 6 ...
Page 33: ...3 Service RT2048 Page 3 7 ...
Page 34: ...3 SERVICE RT2048 Page 3 8 ...
Page 38: ...5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RT2048 Page 5 2 ...
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Page 90: ...Thrane Thrane A S info thrane com www thrane com M2048GB Issue E 0820 ...