The following interface cards can be used with all PAX devices except PAXC and PAXR:

PAXCDC10 Plug-in interface card RS 485 (terminal strip)
PAXCDC1C Plug-in RS 485 interface card with 2 x RJ11 plugs
PAXCDC20 Plug-in interface card RS232
PAXCDC2C Plug-in interface card RS 232 with 9-pin SUB-D connector
PAXCDC30 Plug-in interface card DeviceNet with terminal strip
PAXCDC40 Plug-in interface card Modbus programmable
PAXCDC50 Profibus DP plug-in interface card with 9-pin SUBD connector

PAXUSB00 Plug-in interface card USB

PAXRTC00 Plug-in real-time clock card can only be used with PAXCK*, PAXTM, EPAXCK*, LPAXCK* devices.
*Included with PAXCK.