Furuno FELCOM 250 Installation Manual page 31

2. CONNECTIONS
TTYCS-1 Cable fabrication
Approx. 40
Cores
Inner φ3
Braided
shield
6
FMC
connnector
Push
Twist
NMEA signal, External alarm
Communication unit
FB-2000
NMEA
No. Signal
1 TD-A
2 TD-B
3 RD-A
4 RD-B
5 GND
See the figure on previous
page for how to fix FMC
connector.
Cut armor and sheath.
10 10
Taping
Procedure to insert wire
1. Twist core.
2. Push spring-loaded catch with slotted-head screwdriver.
3. Insert core into hole.
4. Release the screwdriver.
5. Pull wire to confirm it is securely inserted.
Wire
L-BAND OUT
NMEA ALARM
#5
#3
#1
FMC
FMC connector
connector
TTYCS-4
NMEA input sentence
GGA, GLL, GNS, RMA, RMC, VTG, ZDA
(Talkers for GNS are GN, GP and GL only.
For other sentences any talker will do.)
RS-232C NMEA ALARM
ANT
LAN TEL
3 4
1 2 3 4 1 2
ALARM
No. Signal
#1
1 NC-A
2 NC-B
3 GND
MPYC-2
Alarm unit
Navigation equipment
25
Approx. 50
Crimp-on lug
FV1.25
1 2
12-24 VDC
12-6A
3 GND