6
The Rear Panel at a Glance
Note: The External and Internal 10 MHz Reference Terminals (1 and 2, 
above) are present only if Option 001, External Timebase Reference, is 
installed. Otherwise, the holes for these connectors are plugged.
WARNING For protection from electrical shock, the power cord ground must not be 
defeated. If only a two-contact electrical outlet is available, connect the 
instrument’s chassis ground screw (see above) to a good earth ground.
1
External 10 MHz Reference Input Terminal
(Option 001 only). 
2
Internal 10 MHz Reference Output Terminal
(Option 001 only). 
3 External Modulation Input Terminal
4 Input: 
External Trigger/Burst Gate
Output: Trigger Output
5 USB Interface Connector
6 LAN Interface Connector 
7 GPIB Interface Connector 
8 Chassis Ground
Use the menu to:
• Select the GPIB address (see chapter 2).
• Set the network parameters for the LAN interface (see chapter 2).
• Display the current network parameters (see chapter 2).
33210A users guide.book Page 6  Wednesday, July 16, 2008  11:16 AM