Juniper’s KB21476 says they recommend the below Junos versions for the original boxes as of 6/1/2021. Given that you are running 14.2, you’d probably have to do a couple of interim upgrades to get to the list below. I would refer to the release notes just to be sure. Unfortunately this is not a -BP chassis with enhanced midplane connectors, so the switch card upgrade for this chassis is non-existent to the latest, but it’s still a heck of a platform!
Junos 17.3R3-S10 Junos 18.4R2-S5 Junos 19.3R3-S2 Junos 19.4R3-S3 From: juniper-nsp <juniper-nsp-boun...@puck.nether.net> on behalf of Randy Bush via juniper-nsp <juniper-nsp@puck.nether.net> Date: Thursday, July 15, 2021 at 1:17 PM To: Juniper List <juniper-nsp@puck.nether.net> Subject: [j-nsp] upgrading an antique 240 given Item Version Part number Serial number Description Chassis JN11ADDA1AFC MX240 Midplane REV 07 760-021404 ABAB0443 MX240 Backplane FPM Board REV 03 760-021392 ABBD9880 Front Panel Display PEM 0 Rev 01 740-022697 QCS1012C070 PS 1.2-1.7kW; 100-240V AC in PEM 2 Rev 01 740-022697 QCS1012C03K PS 1.2-1.7kW; 100-240V AC in Routing Engine 0 REV 12 740-013063 9012001212 RE-S-2000 CB 0 REV 07 710-021523 ABBE0591 MX SCB FPC 2 REV 29 750-016670 ABBB5551 DPCE 40x 1GE R EQ CPU REV 07 710-013713 ABBB5624 DPC PMB PIC 0 BUILTIN BUILTIN 10x 1GE(LAN) EQ PIC 1 BUILTIN BUILTIN 10x 1GE(LAN) EQ PIC 2 BUILTIN BUILTIN 10x 1GE(LAN) EQ Xcvr 0 REV 01 740-013111 8511738 SFP-T Xcvr 1 REV 01 740-013111 8511646 SFP-T Xcvr 2 REV 01 740-013111 9056773 SFP-T Xcvr 5 REV 01 740-011613 PFF2BX7 SFP-SX Xcvr 6 REV 01 740-011613 PFF2KB2 SFP-SX PIC 3 BUILTIN BUILTIN 10x 1GE(LAN) EQ Fan Tray 0 REV 01 710-030216 XV8505 Enhanced Fan Tray running Model: mx240 Junos: 14.2R7.5 JUNOS Base OS boot [14.2R7.5] JUNOS Base OS Software Suite [14.2R7.5] JUNOS platform Software Suite [14.2R7.5] JUNOS Web Management [14.2R7.5] JUNOS Runtime Software Suite [14.2R7.5] JUNOS Online Documentation [14.2R7.5] JUNOS Services AACL Container package [14.2R7.5] ... is there any sw upgrade i can usefully do? randy _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp