Filter
Top Products
2-8
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
11
9
Twist and trim the shield.
Inner sheath
Remove the outer sheath and
armor by 90 mm.
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.
Vinyl wire
Wind vinyl tape.
Soldering
Armor
Conductor
S = 0.75 mm
φ = 1.11 mm
2
TTYC-4
Armor
Sheath
φ = 15.5 mm
Fabrication of TTYC-4 for connection to the transceiver unit
External BK
Terminal No. Signal name Function Object
33 BK + Output voltage: 24 VDC
Power of relay BK for
other radiotelephone
34 BK - GND 0 V
36 TX KEYED Go to GND on transmitting.
BK control for other
radiotelephone
37 RX MUTE
Receiver circuit is muted when
this line is GND.
BK control from other
radiotelephone
38 SHIELD
Note: When GND line from other radiotelephone is connected to the chassis, float the
ground.
External
Battery
T-IF Board (05P0757)
+
-
24V
J1
1
2
3
BK -
BK +
33
34
TB Board
(05P0758)
TB5
+
-
Power terminal
(24VDC)
Power of BK