Fabrication Of Ttycsla Series; Ext Bk (Ssb Radiotelephone, Etc.) - Furuno FS-1575 Installation Manual

2. WIRING

Fabrication of TTYCSLA series

Drain wire
L
5
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)
TXKEY
RX_MUTE
BK_24V
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 Trans-
ceiver Unit with the cable MPYC-4 (or equivalent).
Note: The BK interface is not required when connecting the transceiver unit FS-
1575T/2575T/5075T to each other.
2-14
Sheath
60
30
5
Cover the drain wire with the
heat-shrinkable tubing, then attach the
crimp-on lug to it.
Vinyl tape
Clamp here by cable clamp.
Function
Go to GND when at TX
Receiver circuit muted
when this line goes GND.
Output voltage: 24 VDC
GND
TB6
14
15
16
0V
17
18
170 (FS-1575T)
230 (FS-2575T,
8 - 10
FS-5075T)
Sheath
20
Attach to WAGO
connector.
FS-1575T
FS-2575T/FS-5075T
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
Length of "L"
190
120
Object