9500 family overview
MPR-e and MSS-1c User Manual 3DB19901EFAA Edition 01 77
Preparing the O-Ring Cable
Modify the pigtail O-ring cable by cutting off the output terminals (the O-ring lug
connectors) on the O-ring cable and splicing the open-ended wires to interface with the DC
power terminal block on the PIB.
To modify the pigtail O-ring cable:
• Cut off the O-ring lugs (items 1 and 2 on the cable in Figure 3.15) and strip
approximately 0.5 cm of shield from each wire to expose the conductors. See
Figure 3.16.
Figure 3.16 — Modified AC Power O-Ring Pigtail Cable
Connecting the AC Power Converter to the DC inputs on the PIB
To connect the AC power converter to the DC inputs on the PIB:
• Connect the modified end of the pigtail O-ring cable to the DC inputs on the PIB.
Connect the -VDC (black wire) to the -Batt terminal on the PIB terminal block;
connect the +VDC (red wire) to the +Batt terminal on the PIB terminal block.
• Connect the male 6-pin connector on the AC Power Converter (item 1 in Figure 3.14)
to the female 6-pin connector on the pigtail cable (item 3 in Figure 3.15).
• Plug the AC power converter cord (item 2 in Figure 3.14) into an AC power outlet.
3.1.5.2.2 — Optical interface
One Optical Ethernet cable connects the MPT-HC/HC-HQAM/9558HC to the Ethernet
generic Device and one coaxial cable connects the MPT-HC/HC-HQAM/9558HC to MPT
Power Unit or MPT Extended Power Unit.
The maximum cable length is up to 350 m. For longer distances, please contact Product
Management.
Figure 3.17 shows the connections used with the MPT Power Unit.
Danger: Ensure that the power supply is disconnected from the AC main power feed
before preparing and cutting the DC wires.
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