The TLD 488-16 has provision for up to four standard multibus size plug-in cards called:
- TL 488-4A for Kepco's ATE power supplies
- TL 488-4B for Kepco's BOP series bipolar power supplies
With a full complement of four TL 488-4A or TL 488-4B, the system will control 16 individual, isolated, power supplies.
