iHP Manual 58 | P a g e
D_RTN is internally connected to module’s negative output and D_RTN is isolated from module’s J1 SYS_RTN.
4.2.2 iHP Rack Communications and Interfaces
The following section describes the available communication ports and protocols available on the rack to
interface the rack to the user’s system. Figure 4-9 shows the back panel of the section and location of the
ports and Table 4-12 list the available ports.
Warning! - iHP rack signal in this section are isolated from module’s signal (J1 and J2
connector).
Figure 4-9 Communication ports on back panel of iHP rack