Installing Terminal Block Connector On The Dc Pem Unit (A900-Pwr550-D-E) - Cisco ASR 903 Installation Manual

Chapter 3 Installing the Cisco ASR 903 Router
Caution
Ensure that the terminal block plug is fully seated in the terminal block header on the DC power supply
Step 7
panel. The plug has a locking feature. You should hear a snap or click when it is installed properly.
Use a tie wrap to secure the wires to the rack, so that the wires are not pulled from the terminal block
Step 8
plug by casual contact. Make sure the tie wrap allows for some slack in the ground wire, as shown in
Figure
Figure 3-22
RU DY RS
1
Step 9 Use a tie wrap to secure the wires to the handle. Leave a service loop on the ground wire between the
handle and the connector such that it is the last to receive strain if the wires are pulled.
This completes the procedure for connecting the DC power supply in the Cisco ASR 903 Router.
If you are installing a redundant DC power supply, repeat these steps for the second power source.

Installing Terminal Block Connector on the DC PEM Unit (A900-PWR550-D-E)

Tools
•
•
OL-25178-03
Secure the wires coming in from the terminal block plug so that they cannot be disturbed by
casual contact.
3-22.
Complete DC Terminal Block Plug Insertion and Secure Tie Wrap
P
ME M
CO NS OL
1P PS
E
1P PS
IN 1O MH Z
OU T
1O MH Z
IN
OU T
TO D
INP UT
OK
OU TP UT
FA IL
24 V — 60 V
28 A
INP UT
OK
OU TP UT
FA IL
2
1
Lead wires secured with a tie wrap
12 AWG to 16 AWG cables
Lugs fork-type or ring-type (Burndy, see
FA N TE MP
CR IT MA J
MI N
SY NC
AC T
BI TS
PW R
MG MT
EN ET ST AT
24 V — 60 V
28 A
AL AR M
2 DC power supply terminal block plug being
inserted into terminal block header.
Table A-2)—TP10 -6 or TP10-8F (recommended)
Cisco ASR 903 Router Hardware Installation Guide
Installing the Power Supply
3-25