Furuno FS-5070 Installation Manual page 32

Distress alert IC-302-DSC/Indicator IC-303-DSC
Use TTYC-4 (Japan Industrial Standard type, or equivalent) or CO-SPEVV-SB-C 0.2X5P
cable and fabricate it as below.
90
Armor
Inner sheath
Twist and trim the shield.
Wind vinyl tape.
Fabrication of TTYC-4 for connection to the transceiver unit
External BK
Terminal No. Signal name
33
34
36 TX KEYED
37 RX MUTE
38 SHIELD
Note: When GND line from other radiotelephone is connected to the chassis, float the
ground.
External
Battery
2-8
Remove the outer sheath and
armor by 90 mm.
11 9
Remove the inner sheath by 20 mm,
and the sheath of the cores by 9 mm.
Solder a vinyl wire to the shield.
Solder the shield and unused cores.
Soldering
Vinyl wire
Function
BK + Output voltage: 24 VDC
BK - GND
Go to GND on transmitting.
Receiver circuit is muted when
this line is GND.
Power terminal
(24VDC)
+
24V
-
Power of BK
φ = 15.5
T-IF Board (05P0757)
J1
+ 1
2
- 3
TB5
34 33
TB Board
(05P0758)
BK -
BK +
mm
Armor
Sheath
Conductor
2
S = 0.75 mm
φ = 1.11 mm
TTYC-4
Object
Power of relay BK for
other radiotelephone
0 V
BK control for other
radiotelephone
BK control from other
radiotelephone