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