Martel Electronics 3001 - Manual (Page 14)

2.5 Rear Panel
Figure 5 describes the rear panel layout.
Figure 5 - Rear Panel
Item Description
1 RS-232 9 pin connector for remote control of the 3001 via any computer's serial interface.
2 GPIB IEEE 488.2 connector for remote control of the 3001 via a GPIB bus.
3 Service port for updating the 3001 firmware.
4 Chassis ground terminal internally connected to the ground prong of the AC power inlet.
Warning To avoid shock hazard, connect the factory supplied 3 conductor power
cord to a properly grounded power outlet. Do not use a 2 conductor adapter or extension
cord as this will break the protective ground.
Use the chassis ground terminal for a protective ground wire if there is any question about
the grounding through the 3 conductor power cord.
5 Standard IEC AC power inlet for 120/240 VAC.
6 Main power on/off switch.
7 Power line voltage selector and fuse compartment. See section 11 for instructions on
changing the line voltage selector and changing fuses.
Warning To prevent electrical shock, only remove the line voltage selector and
fuse holder when the power cord is removed.
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