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10
CONNECTIONS AND MAINTENANCE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CAUTION:
Transmitting without an antenna (
y
) above
may damage the transceiver.
r
D-SUB 25-PIN
Connects to a printer (IBM
®
centronics or compatible) to
print out the received DSC call contents.
t
ANTENNA CONNECTOR
(to receive on Channel 70)
y
ANTENNA CONNECTOR
Connects to a marine VHF antenna with a PL-259
connector.
e
EXTERNAL SPEAKER/VDR CONNECTOR
Connects to a voice recorder or an external speaker.
• Lead: Thicker than 0.75 sq mm,
Length: Shorter than 1.5 m is recommended.
CAUTION:
After connecting the DC power cable, cover the
connector with a tape, as shown below, to prevent water
seeping into the connection.
SP (+)
SP (–)
NC
NC
VDR* (–)
VDR* (+)
Transceiver’s rear panel view
*VDR: Voyage Data
Recorder
w
DC POWER CONNECTOR
Connects the PS-310 with the DC power cable of the PS-
310. (p. 86)
Rubber vulcanizing tape
D
IEC61162-1 In/Out lines
ʼ
specifications
PIN
SPECIFICATIONS
IEC61162-1 OUT (+) Output level: 5 V/40 mA maximum
(RS-422 balanced type)
IEC61162-1 OUT (–)
IEC61162-1 IN (+)
Input level: Less than 2 mA
(at 2 V applied)
IEC61162-1 IN (–)