User's Manual Part 2

Node B Rack Mount Installation Guide
Version 0.0.3 Page 25 of 39
Step 6 DC Power Connection-Digital
The power supply input must be a nominal -48Vdc input, refer to Table 5-1.
The connection of the mains to DC supply is via the cable provided as part of the digital shelf
package.
The provided cable assembly has 3 metres of cable with a connector to provide connection
to the digital shelf. The tail ends of the cable are stripped and must be terminated to a
permanent connection junction/terminal block. The length of the cable may be shortened to
facilitate.
Notes
:

Only the cable provided with the digital shelf should be used.

The connector is keyed to prevent wrong insertion.
Figure 6-10 : Power Connection to the digital shelf