JRC JMA-7122-6XA, Installation Manual, Page: 155 / 316

JMA-9100/7100 Installation Manual > 5.OPTION UNIT > 5.1 INSTALLATION OF INTERSWITCH UNIT
5
－
3
5
5.1.3 Installation of interswitch unit
a.
NQE-3141-2A
Basically, the interswitch unit is incorporated into the display unit and delivered
with the wiring completed.
Fig 5-4:
Device Arrangement
When incorporating interswitch unit NQE-3141-2A later, follow the procedures
below.
1)
Disconnect the cable (W404 H-7ZCRD1340A) connected between terminal board circuits
J4306 (ISW-1CH) and J4307 (ISW-2CH) located on the port-side radar display unit.
2)
Disconnect the cable (WZ,H-7ZCRD0970A) connected to connector J3 located on the
interswitch board (CCL-304R) CH1 port and connect it to terminal board circuit J4306.
3)
Disconnect the cable (WZ,H-7ZCRD0970A) connected to connector J3 located on the
interswitch board (CCL-304R) CH2 port and connect it to terminal board circuit J4307.
4)
Disconnect the cable (WZ,H-7ZCRD0971) connected to J1 in the power-supply section
(CBD-1675) mounted in the interswitch unit and connect it to terminal board circuit
J4308.
5)
Incorporate the interswitch unit into a vacant slot of the rack (right end, see Fig 5-4:
Device Arrangement).
Incorporate the interswitch unit into the port-side
radar display unit.
Turn off the switchboard breaker of both radars
before installing or replacing the interswitch unit.
In
ter
swi
tc
h Un
it (NQ
E
-314
1-
2
)
J
43
07(
IS
W-2C
H
)
J4304
J
43
06(
IS
W
-1C
H
)
J4
30
1
TERMINAL BOARD
TB2
J4
31
3
J4309
J4
31
4
J4
30
2
J4
30
3
T
B
4101
(A
N
T
)
TB4
30
1
(P
W
R
S
RC)
T
B
44
01
(E
X
T
RA
D
A
R
)
T
B
42
01
(IS
W
I
N
/
O
U
T
)
T
B
45
01
(
OP
T
ION
)
T
B
4801
(LO
G
)
TB
47
01
(G
Y
R
O
)
T
B
46
01
(A
LA
R
M
)
J4
31
0
J4312 OPE2
J4311 OPE1
TB
1A
TB
1
B
TB
1C
TB
1
D
J4308
ISW
J4315
J4305
PC430
Related ISW
Function