How do I order the HI 1756WS RTA and cable?

The parts list for the HI 1756 series modules is:

HI 1756-WS   (single channel module)
HI 1756-2WS (dual channel module)
RTA  (remote terminal assembly and can handle 2 channels)
C6   (6 ft cable for single channel unit to one channel on RTA)
DC6 (6 ft cable for two channel unit to both channels on RTA)

To order parts:
HI 1756-WS-RTA-C6 gets single channels HI 1756 module with RTA and single channel cable.
HI 1756-2WS-RTA-DC6 gets dual channel HI 1756 module with RTA and dual channel cable
HI 1756xx-RTA gets only the RTA.
HI 1756xx-C6 gets only the single channel cable
HI 1756xx-DC6 gets only the dual channel cable
HI 1756xx-RTA-C6 (or DC6) will get only the RTA and designated cable.

NOTE:  These RTA assemblies and cables may also be used for the HI 1756 FC (single channel) and HI 1756 xDF (single or dual channnel).