Locate The Routing Engine Serial Number Id Label; M7I Router Routing Engine Serial Number Id Label Location; M10I Router Routing Engine Serial Number Id Label Location; Teknor Type 2 Routing Engine Serial Number Id Label Location - Juniper JUNOS - NETWORK OPERATION GUIDE REV1 Network Operation Manual

JUNOS Internet Software Network Operations Guide: Hardware
Step 2: Locate the Routing Engine Serial Number ID Label
If the Routing Engine fails, you cannot see the Routing Engine hardware
information when you use the show chassis hardware command. You must
manually locate the serial number ID label on the component
Some Routing Engines may have more than one serial number. Contact your
Juniper Networks support representative if you need assistance in determining
which serial number to provide.
Look on the Routing Engine for the serial number ID label.
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M7i Router Routing Engine Serial Number ID Label Location

The serial number ID label is located on the left side near the midplane connector.

M10i Router Routing Engine Serial Number ID Label Location

The serial number ID label is located on the left side, near the back (see Figure 52).
Figure 52: M10i Router Routing Engine Serial Number ID Label Location
Serial Number ID label
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Teknor Type 2 Routing Engine Serial Number ID Label Location

For all routers with a Type 2 (Teknor) Routing Engine, the serial number ID label is
located on the top right side of the Routing Engine (see Figure 53 on page 159). If
there are multiple labels on the Routing Engine, the label marked "Teknor Silicon
Serial ID" is the correct serial number. The serial number ID label includes two
serial numbers: a 16-digit number on the top and a 10-digit number on the bottom.
Give both serial numbers to JTAC.
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Getting Routing Engine Hardware Information