Juniper JUNOS - NETWORK OPERATION GUIDE REV1 Network Operation Manual page 281

Figure 98 shows the location of the serial number ID label on the power supplies for
an M20 router. The label is located on the right side on the back of the power
supply.
Figure 98: M20 Router Power Supply Serial Number ID Label
Chapter 18: Monitoring Power Supplies
(P) DC
(R) 05
(S) 001638
(D) 12/08/00
Getting Power Supply Hardware Information
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