According to JTAC, the output I'm seeing is the same they see in their lab. Here is what they sent me:
{master:0} root@7025> show chassis hardware Hardware inventory: Item Version Part number Serial number Description Chassis LX0213337598 EX4550-32F Routing Engine 0 REV 17 750-039067 LX0213337598 EX4550-32F FPC 0 REV 17 750-039067 LX0213337598 EX4550-32F CPU BUILTIN BUILTIN FPC CPU PIC 0 BUILTIN BUILTIN 32x 1G/10G SFP/SFP+ Xcvr 0 REV 01 740-031980 ANT0EGX SFP+-10G-SR Xcvr 1 REV 02 740-011613 AM0943SEMM9 SFP-SX Xcvr 2 REV 02 740-013111 B150872 SFP-T Xcvr 3 REV 01 740-038291 D392378 SFP-T PIC 1 REV 03 711-039072 LM0212490990 2x 32GE Virtual Chassis Module Power Supply 0 REV 03 740-041741 1GA23282351 JPSU-650W-AC-AFO Fan Tray Fan Module, Airflow Out (AFO) {master:0} root@7025> show virtual-chassis vc-port fpc0: -------------------------------------------------------------------------- Interface Type Trunk Status Speed Neighbor or ID (mbps) ID Interface PIC / Port 1/0 Configured -1 Down 16000 1/1 Configured -1 Down 16000 1/2 Configured -1 Down 16000 1/3 Configured -1 Down 16000
Very strange - it doesn't seem to match up with the documentation.