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Workgroup Switches

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IBM 8270 Nways LAN Switch Family Specifications

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

Hardware requirements

Requires at least one Token-Ring Universal Feature Card

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

8270 Model 600

Width:  440 mm (17.3 in.)

Depth:  305 mm (12.0 in.)

Height: 133 mm (5.2 in.)

Weight: 10 kg (22 lb.) fully loaded

Weight:  7 kg (16 lb.) empty

8270-800 Token-Ring Processor Card

Width:  170 mm (6.7 in.)

Depth:  210 mm (8.4 in.)

Height:  51 mm (2.0 in.)

Weight:  0.5 kg (1.2 lb.)

8270-800 Power Supply (optional)

Width:  76 mm (3.0 in.)

Depth:  350 mm (13.8 in.)

Height: 170 mm (6.7 in.)

Weight:  2.7 kg (6 lb.)

Publications

8270 Models 600 and 800 Planning, Configuration, and Operation

8270 Models 600 and 800 Installation and Service Guide

Softcopy of these publications are included on the IBM 8270 Publications CD-ROM. Copies of this

CD-ROM may be obtained using order number SK2T-0434.

Warranty

1 year

Year 2000 ready

The IBM 8270 Nways LAN Switch Family is Year 2000 Ready when used in accordance with its

associated documentation and is capable of correctly processing, providing and receiving data

within and between the 20th and 21st centuries, provided that all other hardware, software, and/or

firmware used with the product properly exchange accurate data with it.

Summary of Contents for ThinkPad 600

Page 1: ...N Switch family of Token Ring LAN switches The Model 600 joins the Model 800 providing a smaller entry configuration six slots Both models allow flexible configuration with rich functionality provided...

Page 2: ...served to limit growth of some Token Ring networks Other alternatives for addressing bandwidth demands present yet other inhibitors usually relating to costs Token Ring switching provides users with...

Page 3: ...ame physical Token Ring segment the Spanning Tree support in the 8270 will configure only one of the ports in forwarding mode the rest of the ports will be in blocking mode Source route bridging With...

Page 4: ...nds of e mail busy servers and Internet traffic see Figure 3 The 8270 can act as a powerful workgroup switch or replace the entire backbone with a single switch see Figure 4 Use TokenPipes to double o...

Page 5: ...the operation of your IBM 8270 With the IBM 8270 s TokenProbe support you can designate one of the Token Ring ports to mirror the traffic on another Token Ring port This allows you to tune or trouble...

Page 6: ...n Ring ports Model Comparison 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 a...

Page 7: ...first This configuration is allowed for backup and redundancy Attempting to switch traffic at high data rates from one ATM UFC to another may exceed the design limitations of this device An ATM switch...

Page 8: ...dundant access the Spanning Tree support in the IBM 8270 will configure only one of the ports in forwarding mode and the rest of the ports will be in blocking mode In addition to the ST connectors for...

Page 9: ...rovides 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 Configuration managem...

Page 10: ...uld be positioned against the IBM 8272 or 8272 modules for the 8260 8265 as follows A key parameter affecting LAN Switch product positioning is processor loading especially with heavy broad cast traff...

Page 11: ...8270 Model 600 Width 440 mm 17 3 in Depth 305 mm 12 0 in Height 133 mm 5 2 in Weight 10 kg 22 lb fully loaded Weight 7 kg 16 lb empty 8270 800 Token Ring Processor Card Width 170 mm 6 7 in Depth 210...

Page 12: ...nectors Ports 1 ATM LANE CIP NHRP Data rate 155 Mbps MSS Client SMF 1 Part number 85H4599 Cabling Single mode fiber via SC connectors Ports 1 ATM LANE CIP NHRP Ports 1 ATM LANE CIP NHRP Data rate 155...

Page 13: ...functionality provided by the UFCs FDX Token Ring support enabling the doubling of network access bandwidth in a cost effective manner Source route switching easing the configuration burden for admini...

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