Specifications

Elastic Networks 2 BitStorm 1900 Installation and Testing
08-01101-01, Rev. 1.50 BitStorm 1900™ Installation and Maintenance Guide 2-67
Step Procedure cont.
Figure 2-8: Typical DC Power Harness Connection to -48 V DC (250W/260W) Power Source
4.) For a -48 V DC power source, connect the red power lead to the
Negative (-) terminal connection and the black power lead to the
Positive (+) terminal connection as seen in Figure 2-8, "Typical DC
Power Harness Connection to -48 V DC (250W/260W) Power
Source," on page 67.
NOTE: If using a -48 V DC power supply, use an appropriate volt-ohm meter to
test and verify that the red power feed at the shelf is the -48 V DC sup-
ply. The meter should read between -46 and -56 V DC.