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HP4402.book : chapter1.fm 17 Fri Feb 12 15:32:45 1999
Getting Started
The Rear Panel at a Glance
HP E4419B User’s Guide 1-17
This connector allows the power meter to be controlled remotely
using either the RS232 or RS422 serial interface standards.
9. Serial Label
Each power meter has it’s own individual identification number.
Refer to “Instrument serial numbers”, on page 2-75 for further
information.
10. Rmt I/O
This connector is an RJ-45 series shielded modular jack assembly.
It provides a TTL logic level output when a measurement exceeds
a predetermined limit. TTL inputs are also provided to initiate
zero and calibration cycles.
11. Ground Connector
Binding post, accepts 4 mm plug or bare-wire connection.