Juniper JUNOS - NETWORK OPERATION GUIDE REV1 Network Operation Manual page 230

JUNOS Internet Software Network Operations Guide: Hardware
For T320 routers, the serial number ID label is located on the right side of the PIC
(see Figure 69) when the PIC is vertically oriented (as it would be installed in the
router). The exact location may be slightly different on different PICs, depending on
the placement of components on the PIC board.
Figure 69: T320 Router Serial Number ID Label on PIC
Serial number ID label
AA1234
!
194
Verifying PIC Failure