+5 V
+5 V
Terminator ON/OFF
Active
Terminator
7438 or equiv.
74LS240 or equiv.
Controller
CD-ROM Drive
+5 V
+5 V
Terminator ON/OFF
Active
Terminator
74LS240 or equiv.
7438 or equiv.
Controller
CD-ROM Drive
Figure 11 Receivers and Drivers
16/27
XM-6401B Rev.1.0