Section 3 Installation Attaching Panel Circuit Modules
26 NFS-3030 Installation PN 51330:C 10/28/2003
3.7.4 Connecting Expander Row Ribbon Cables
Expander Row Ribbon Cables connect panel circuit modules such as Indicating Circuit Modules
(ICM-4RK) or Control Relay Modules (CRM-4RK) to the CPU.
Shown below is a typical wiring setup connecting the control panel to three rows of panel circuit
modules each below the CPU in a CAB-4 Series backbox.
Figure 12 Expander Row Ribbon Cable Setup
P1.1–P1.8
J10 -
Panel
Circuit #1
J12 -
Panel
Circuit #3
P2.1–P2.8
P3.1–P3.8
P4.1–P4.8
P5.1–P5.8 P6.1–P6.8
P7.1–P7.8
P8.1–P8.8
P9.1–P9.8 P10.1–P10.8
P11.1–P11.8
P12.1–P12.8
Expander Row Ribbon Cable (P/N 71088)
Connects first group
of panel modules in
backbox
J11 -
Panel
Circuit #2
Connects second
group of panel
modules in backbox
Connects third
group of panel
modules in backbox.
3030-icmribbon.cdr