Furuno FS-1575 Installation Manual page 34

Fabrication of TTYCSLA series
Drain wire
8 - 10
EXT BK (SSB radiotelephone, etc.)
Terminal no. on
TB6 of T-IF Signal name
Board
14
TXKEY
15
RX_MUTE
16 BK_24V
17 0V
18 GND
Note: When the GND line from other radiotelephone is connected to the chassis, float the ground.
FS-1575T/2575T/5075T
T-IF Board
(05P0861)
TB6
TXKEY
RX_MUTE
BK_24V
0V
GND
TX KEYED
For connection to a transceiver unit, see the BK interface interconnection diagram at the back
of this manual.
Connect the SSB radiotelephone to EXT BK in the Transceiver Unit with the cable MPYC-4 (or
equivalent).
8 - 10
Attach to WAGO
connector.
60 Sheath
L 30
5
5
Cover the drain wire with the
heat-shrinkable tubing, then attach the
crimp-on lug to it.
Clamp here by cable clamp.
Go to GND when at TX
Receiver circuit muted
when this line goes GND.
Output voltage: 24 VDC
GND
14
15
16
17
18
170 (FS-1575T)
230 (FS-2575T,
FS-5075T)
Sheath
20
FS-1575T
FS-2575T/FS-5075T
Vinyl tape
Function
BK control for other radiotelephone
BK control from other radiotele-
phone
Power of relay BK for other radio-
telephone
0V
Receiver
Relay
Example of connection
with a receiver
50 Armor
Set this part in cable clamp.
30 20
Vinyl tape
26
2. WIRING
Length of "L"
190
120
Object