Furuno FELCOM 250 Manuel D’Utilisation

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2.  CONNECTIONS
24
2.3
Communication Unit
Telephone FC755D1 and Facsimile FAX-2820
Connect the cable from the telephone or facsimile to TEL1, 2, 3 or 4 port of the communication 
unit.  The modular connector can be connected directly to the TEL1 or  TEL2 as shown in the fig-
ure below.
To connect to the TEL3 or  TEL4, use the modular jack box (optional supply) or the modular jack 
set (optional supply). Connect TTYCS-1 (Japan Industry Standard cable, or equivalent, local sup-
ply) between the modular jack box and communication unit. Attach two crimp-on lugs (FV1.25-3 
red, supplied with the modular jack box) to the modular jack box side of the above cable
Modular 
jack box
MJ-2S
Telephone
FC755D1
Cable with 
modular plug
Twisted 
pair cable 
TTYCS-1
TEL
1
2
3
4
Communication unit
FB-2000
Facsimile 
FAX-2820
Telephone
FC755D1
Facsimile 
FAX-2820
Crimp-on
lug
FMC connector
Cable with 
modular plug
See below for 
cable fabrication.
ALARM
NMEA
RS-232C
LAN
ANT
1
2
3
4
TEL
1
2
3
4
12-24 VDC
12-6A
1
2
L-BAND OUT
3 GND
#1
TEL3,4
No.     Signal
1      TEL4 TIP
2      TEL4 RING
3      TEL3 TIP
4      TEL3 RING
#4