Installation Of Interswitch Unit - JRC JMA-9133-SA Installation Manual

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.
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).
JMA-9100/7100 Installation Manual > 5.OPTION UNIT > 5.1 INSTALLATION OF INTERSWITCH UNIT
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.
Fig 5-4: Device Arrangement
5－ 3
J4304
J4315
J4308
ISW
J4309
Related ISW
Function
TB2
J4305
J4312 OPE2
J4311 OPE1
PC430
TERMINAL BOARD
5