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2 – General Information
18
Safety Considerations
This dc source is a Safety Class 1 instrument, which means it has a protective earth terminal. That
terminal must be connected to earth ground through a power source equipped with a ground
receptacle. Refer to the Safety Summary page at the beginning of this guide for general safety
information. Before installation or operation, check the dc source and review this guide for safety
warnings and instructions. Safety warnings for specific procedures are located at appropriate
places in the guide.
Options and Accessories
Table 2-1. Options
Option Description
100
87−106 Vac, 47−63 Hz
220
191−233 Vac, 47−63 Hz
230
207−253 Vac, 47−63 Hz
020 Front panel output binding posts
760 Isolation and polarity reversal relays (not available on HP 6631B)
1CM Rack mount kit (HP p/n 5062-3974)
1CP Rack mount kit with handles (HP p/n 5062-3975)
Accessory Rack slide kit )HP p/n 1494-0060)
910 Service manual with extra operating manuals
1
Support rails are required when rack mounting units. Use E3663A support rails for HP rack cabinets, and
E3664A for non-HP rack cabinets.
Table 2-2. Accessories
Item HP Part Number
HP-IB cables
1.0 meter (3.3 ft) 10833A
2.0 meters (6.6 ft) 10833B
4.0 meters (13.2 ft) 10833C
0.5 meters (1.6 ft) 10833D
RS-232 cable 34398A
(9-pin F to 9-pin F, 2.5 meter, null modem/printer cable
with one 9-pin M to 25-pin F adapter
RS-232 adapter kit (contains 4 adapters) 34399A
9-pin M to 25-pin M for pc or printer
9-pin M to 25-pin M for pc or printer
9-pin M to 25-pin M for modem
9-pin M to 9-pin M for modem