Figure 5-61 Dc Pem - Cisco MGX MGX 8800 Hardware Installation Manual

Installing the MGX 8950 Switch
Step 2 Use a Phillips-head screwdriver to remove the two screws that hold the plastic cover over the terminal
block on the DC PEM (see
Figure 5-61
Plastic
cover
Measure enough wire (6 AWG [10 square mm] or larger three-wire solid or stranded copper wire with
Step 3
insulation rating for 140°F [60°C]) to connect the DC PEM terminal block to the power source.
Note
Cut the ends of the wire so that the ends are straight, not slanted.
Step 4
Step 5 Measure 1/4 inch (6 mm) up from one end of the wire and place a mark at that point.
Use a wire stripper to remove 1/4 inch (6 mm) of the covering from the end of the wire. Trim the end of
Step 6
the covering so that it is straight, not slanted.
Attach a ring or space lug on the end of copper wire you prepared in
Step 7
must be fully inserted so that no bare wire is exposed.
Attach the end of the wire with the ring or space lug to the 48 VDC return, as shown in
Step 8
Figure 5-62
Attach the other end of the wire from
Step 9
Step 10 Repeat
Cisco MGX 8800/8900 Series Hardware Installation Guide
5-94
Figure 5-28
DC PEM
-4 8V D C
R T N
-4 8V
-4 8V D C
50 A
J1
Terminal
J1 output
block 1
connector
Cisco recommends using the Panduit LC AS6-10-L.
Terminal Block on the DC PEM
R T N
48 VDC Safety
return ground
Step 3 through Step 7.
Chapter 5
for location).
J2
Circuit breaker
J2 output
connector
- 4 8 V
– 48 VDC
Step 7 to the DC source.
Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006
Installing the Cisco MGX Switch or Gateway
R T N
-4 8V
-4 8V D C
50 A
D C
DC OK
Terminal
LED
block 2
Step 6. The stripped part of the wire
Figure 5-62.