Cisco MGX 8950 Installation Manual page 50

Installation Procedures
Figure 3-33 Terminal Block on the DC PEM
Step 9 Attach the other end of the wire from
Repeat
Step 10
Attach the end of the wire (from
Step 11
Figure
Attach the other end of the wire from
Step 12
Use a Phillips-head screwdriver and two screws to attach the plastic cover over the terminal block on the
Step 13
DC PEM.
Turn on the power source and turn the DC PEM power switch on
Step 14
Verify that the fans are running by listening or feeling for air movement. The following LEDs should
Step 15
be lit:
•
•
•
•
Connect the External Clock
The section provides the following installation procedures to connect the external clock:
•
•
This step is optional.
Note
Cisco MGX 8950 Hardware Installation Guide
3-50
Step 3 through Step 7.
3-33.
AC and DC LEDs on each power supply should be green.
DC OK LED on each DC PEM should be green.
Status LED on the PXM45 should be green.
Standby LED on each service module should be yellow.
Connect the External Clock Using an RJ-45 Connection, page 3-51
Connect the External Clock Using a Wire-Wrap Adapter, page 3-51
- 4 8 V
R T N
48 VDC Safety – 48 VDC
return ground
Step 7 to the DC source.
Step 10) with the ring or space lug to the –48 VDC, as shown in
Step 10 to the DC source
Release 3, Part Number 78-14147-02 Rev. A0, November 2002
Chapter 3 Installing a Cisco MGX 8950