Service Guide N5227-90001 5-35
PNA Series Microwave Network Analyzers Theory of Operation
N5227A Digital Processing and Digital Control Group Operation
Rear Panel Interconnects. The rear panel includes the following interfaces:
A55 Hard Disk Drive
The hard disk drive assembly (HDDA) is a Serial Advanced Technology Attachment (SATA) data storage
device which is connected directly to, and physically mounted within the enclosure of, the A21 CPU board.
The full operating system and firmware for the network analyzer is stored on the A55 hard disk drive.
USB x4 Four universal serial bus (USB) jacks (industry standard 4-pin connectors).
GPIB (0)
Controller
A 24-pin, female, type D-24 connector that meets IEEE-488 standards.
GPIB (1)
Tal ke r/L is ten er
A 24-pin, female, type D-24 connector that meets IEEE-488 standards.
LAN
A standard 8-pin, 10/100BaseT, Ethernet connection. It auto selects between the two data
rates.
Display (VGA)
A 15-pin, female, D-sub connector that provides a video output of the analyzer display that
can be viewed on an external VGA monitor.
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