Unisys NX5820 Server User Manual


 
Hardware Overview
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Expansion Sections
The expansion sections house the following units:
Server A
Optional servers (up to five maximum per domain)
Up to two Maintenance LAN Hubs, unlimited switching (Public) Hubs, and up to
two Apex Selector ST Switches
An OSS7000 rack containing system peripheral units, including:
ο CD-ROM drive
ο QIC tape drive
ο Two disk drives
Optional Uninterruptible Power Supply (UPS)
COMMPOD
SVGA Monitor and Keyboard with Mouse
Provides the operator interface with the system
Includes cables for positioning the keyboard, monitor, and mouse on a table or similar
surface near the system cabinet. A table is available as an option.
A remote support modem—for domestic systems only—is located with the monitor
and keyboard.
The I/O Subsystem
The I/O subsystem includes:
Rack-mounted devices
Other I/O devices
Rack-Mounted Devices
Housed in 36U-high rack-style utility cabinets (U = 1.75 inches)
Accommodates rack devices with both Unity Storage Device (USD) and Open Storage
Device (OSD) style prefixes
Rack-mounted devices connect to channel adapters via CS-bus interfaces (see
Sections 4 and 5)
For a comprehensive list of racks and devices qualified for use on the system, refer to
Appendix A in the ClearPath Enterprise Server NX I/O Hardware Configuration Guide
(7008 6087).