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Except for considerations pertaining to
their number of feature slots and
redundancy characteristics, the IBM
8270 Model 600 is suitable for use in the
same environments as the Model 800.
However, with different redundancy
characteristics, the 8270 Model 600 may
be better placed closer to the edge
rather than the center of your network.
IBM 8270 Nways LAN Switch Family at a glance
Part numbers 85H6584: IBM 8270 Nways LAN Switch Model 800
25L4970: IBM 8270 Nways LAN Switch Model 600
72H4650: Token-Ring Processor Card (for Model 800 only)
72H4648: Redundant Power Supply (optional for Model 800)
LAN ports • Port number and type depend on which UFCs are installed and on the 8270 model.
• Support for 1700 active MAC addresses per port and 10 000 per 8272.
UFC slots Model 800: 8 slots
Model 600: 6 slots
Standard compliance Supports IEEE 802.5 network components
Full-duplex operation • Provides up to 32 Mbps, twice the bandwidth of standard half-duplex connections
• Provides for simultaneous, two-way transmission between the switch and a LAN station
• Improves server throughput by doubling available bandwidth when used on a dedicated
LAN segment
Hardware requirements Requires at least one Token-Ring Universal Feature Card
Configuration management • Console function accessible via Telnet or VT-100 (or VT-100 emulator) connected to serial port
• SNMP management for network management platforms capable of accessing SNMP
(MIB-II compliant) management agents, such as Nways Workgroup Manager for Windows NT
and Nways Manager for AIX
®
.
Source-routing technologies Ease of use with source-route switching
Economy with source-route bridging—redundant paths without external hardware
Interconnectivity TokenPipe support permits greater LAN segmentation by allowing you to interconnect multiple
IBM Nways Token-Ring LAN switches.
Ease of use Automatic sensing and configuring of connection types
Installation Can be mounted in a standard 19-inch rack or on a flat surface
Enhanced management tools Address filters, virtual switch support, and BootP/TFTP TokenProbe port
Physical specifications 8270 Model 800 Chassis
Width: 440 mm (17.3 in.)
Depth: 356 mm (14.0 in.)
Height: 222 mm (8.7 in.)
Weight: 23 kg (50 lb.) fully loaded
Weight: 17 kg (37 lb.) empty
Model Comparison
Though functionally comparable, the
differences between the IBM 8270
Model 600 and the current Model 800
are summarized in the following table:
Model Feature Redundant Processor
Slots Characteristics
600 6 N/A Included (Built-In)
800 8 Redundant Power Supply Separately Ordered
Option; Redundant Fans
Included