Page 352 of 378 Appendix A: Cable description and NT8D81BA cable replacement
553-3001-202 Standard 1.00 April 2000
5To remove the ribbon cables from IPE backplane:
Apply gentle pressure on the tab on the right side of the shroud whi le
pulling on the connector until it pulls free from shroud.
Remove connector 1 first, then remove connectors 2 and 3.
6Discard NT8D81BA cable.
Install NTCW84JA filter and NT8D81AA cable
1Install NTCW84JA special IPE filter connector in the vacant I/O panel
slot using retained hardware.
2Install NT8D81AA ribbon cable connectors in IPE module backplane
shroud. Be sure to install the connector s o the la bel is facing right with
the arrow pointing up and the connector is fully engaged into the
shroud:
aInstall connector 1, (labeled UP1^) into backplane shr oud 1.
bInstall connector 2, (labeled UP2^) into backplane shr oud 2.
cInstall connector 3, (labeled UP3^) into backplane shr oud 3.
3Dress ribbon cables back individually inside the rear of IPE module
and restore original arrangement. Start with the cables that ar e going
to be underneath.
4Attach NTCW84JA special IPE filter to NT8D81AA 50-pin connector
using bail clips.
5Restore power to IPE module.
6Replace I/O safety panel.