Juniper E120 - RELEASE 11.1.X HARDWARE GUIDE 3-25-2010 Hardware Manual page 69

3.
See "System Specifications" on page 91 for the power requirements for the router.
Table 8 on page 53 identifies the cabling requirements.
Table 8: E320 Router PDU Cables and Wires Needed
Cable/Wire
One 6-AWG ground wire
Two 4-AWG wire leads
Two 4-AWG wire leads
Figure 27 on page 54 shows the main components of a PDU.
Connect the power cables to the PDUs.
From
PDU ground terminal
PDU Power A –48 VDC and RTN leads
PDU Power B –48 VDC and RTN leads
Chapter 5: Cabling the Router
To
Termination ground
Appropriate leads on power source No.1
Appropriate leads on power source No.2
Cabling the Router for Power
53