Also see TM500 system and List of TM500 and TM5000 equipment
TM501 — Single bay
TM502 — Dual bay
TM503 — 3-bay
TM504 — 4-bay
TM506 — 6-bay
TM515 — 5-bay Traveler Mainframe
TM5003 — 3-bay
TM5006 — 6-bay