GMA 240 Installation Manual Page 4-1190-00917-01 Rev. A4 SYSTEM INTERCONNECTS4.1 Connector DescriptionThe GMA 240 has two 44-pin connectors located at the rear of the unit designated J2401 and J2402which are oriented as shown in Figure 4-1.J2401J2402Figure 4-1. Rear View of Backplate and Rack4.2 Pin ListFigure 4-2. Rear Connectors J2401 & J2402, Viewed from Back of UnitJ2401 and J2402 pins are configured as shown in Figure 4-2. J2401 and J2402 pin assignments are givenin Tables 4-1, 4-2, and Appendix B.Following the pin assignment tables (Tables 4-1 & 4-2), additional tables group pin connections byfunction.An asterisk (*) following a signal name denotes that the signal is active low logic. Active low inputs areconnected to ground to activate. Active low outputs sink current to ground when active.