Before contacting Juniper Networks, Inc. to request a Return Materials Authorization (RMA), you must find the serial number on the router or component. To list all of the router components and their serial numbers, enter the following command-line interface (CLI) command:
user@host> show chassis hardware
Hardware inventory: Item Version Part number Serial number Description Chassis 20082 M160 Midplane REV 05 710-001245 AW3196 FPM CMB REV 03 710-001642 AE6482 FPM Display REV 03 710-001647 AW2008 CIP REV 04 710-002649 HE0493 PEM 0 Rev 03 740-001243 LK16669 Power Entry Module PCG 0 REV 07 710-001568 HE0486 PCG 1 REV 07 710-001568 HF1163 Routing Engine 0 8b00000792898b01 RE-2.0 Routing Engine 1 6d000007c8150801 RE-2.0 MCS 0 REV 11 710-001226 AV4497 MCS 1 REV 11 710-001226 HD2643 SFM 0 SPP REV 07 710-001228 AG6106 SFM 0 SPR REV 04 710-002189 AG6176 Internet Processor II SFM 1 SPP REV 07 710-001228 HC5574 SFM 1 SPR REV 04 710-002189 HC5964 Internet Processor II SFM 2 SPP REV 07 710-001228 HE0083 SFM 2 SPR REV 04 710-002189 HD6410 Internet Processor II SFM 3 SPP REV 07 710-001228 HC5376 SFM 3 SPR REV 04 710-002189 AV8604 Internet Processor II FPC 0 REV 10 710-001255 HB2143 FPC Type 1 CPU REV 05 710-001217 HE1067 PIC 0 REV 02 750-003064 HF1353 4x T1, RJ48 PIC 1 REV 04 750-001894 HA9492 1x G/E, 1000 BASE-SX PIC 2 REV 04 750-001895 HE0917 1x OC-12 SONET, MM PIC 3 REV 04 750-001895 HE0562 1x OC-12 SONET, MM FPC 4 REV 10 710-001882 HA9606 FPC Type OC192 CPU REV 05 710-001217 AV8340 PIC 0 REV 06 750-003184 HA9606 1x OC-192 SM SR-2 FPC 5 REV 10 710-001255 AH0357 FPC Type 1 CPU REV 01 710-004600 BD2316 PIC 0 REV 02 750-003104 AD9192 4x T3 ATM PIC 1 REV 05 750-005656 BE1888 2x EIA-530 PIC 2 REV 04 750-003105 AS6972 4x E3 ATM PIC 3 REV 04 750-001895 HD8100 1x OC-12 SONET, MM FPC 6 REV 04 710-003950 BC0951 E-FPC Type 2 CPU REV 01 710-004600 AE9024 PIC 0 REV 05 750-001900 AD5625 1x OC-48 SONET, SMSR
Most components also have a small rectangular serial number ID label (see Figure 109) attached to the component body.
Figure 109: Serial Number ID Label

The following sections describe the label location on each type of component: