IBM Switch BM 8270 User Manual

Fully configurable Token-Ring LAN switch at a  
competitive cost  
IBM 8270 Nways LAN Switch Family  
New model  
and MSS Domain Client Universal  
Highlights  
A new member has been added to the  
IBM 8270 Nways® LAN Switch family of  
Token-Ring LAN switches. The new  
Model 600 joins the Model 800, providing  
a smaller, entry configuration (six slots).  
Both models allow flexible configuration  
with rich functionality provided by the  
common set of Universal Feature Cards  
they share. Similar to the Model 800, a  
typical network would benefit from the  
Model 600 by having each of its high-  
volume servers placed on dedicated  
full-duplex segments and having client  
workstations placed on shared seg-  
ments using standard Token-Ring  
concentrators such as the IBM 8239  
Token-Ring Hub.  
Feature Cards (UFCs) provide forward-  
ing and routing services.The MSS Client  
also has an integrated ATM port and  
providesATM-to-LAN port bridging.  
These client-function products complete  
the MSS client/server family and allow  
the MSS Server products to perform their  
job in the network at maximum efficiency.  
Along with virtual LAN (VLAN) support by  
protocol, OSI Layer 2 and 3 forwarding of  
IP, IPX,AppleTalk and BanyanVINES  
protocols are provided.  
Flexible enough to meet your  
exact needs  
Layer3switching  
Multiprotocolsupport  
Full-duplex (bi-directional)  
communication  
ATMuplinks  
Cost-effectiveToken-Ring  
switching  
ThreenewMSSUniversalFeature  
Cards  
The IBM 8270 Nways Token-Ring LAN  
Switch provides a cost-effective solution  
to Token-Ring LAN performance  
requirements. With a minimum of  
disruption to existing networks, you can  
significantly address LAN performance.  
Newfeatures  
Two new UFCs extend MSS forwarding  
and routing services to the 8270 Nways  
LAN Switch Family. Both the MSS Client  
A powerful LAN switch  
With the 8270 you can build large  
switched networks with high-speed  
uplinks. A redundant power supply is  
available to help ensure continuous  
operation.  
You can configure the versatile, modular  
8270 LAN switch to:  
• Add from 4 to 30 ports to your network  
configuration, more ports per switch than  
any other model.  
IBM 8270 Nways Token-Ring Switch  
Model 600  
IBM 8270 Nways Token-Ring Switch  
Model 800  
• Install uplink UFCs to connect native  
protocols to high-speed links like high-  
speedToken Ring,ATM or the IBM 8260  
Nways Multiprotocol Switching Hub.  
 
Added capacity and flexibility  
With the 8270 you get added capacity  
and flexibility at a low cost per port.  
1. 2210 Router  
3. 8228 MAU  
2. 8230 Controlled Access Unit  
4. 8270 Nways LAN Switch Model 600  
5. 8272 Nways Token-Ring LAN Model 108  
6. 8226 Token-Ring RJ45 Connection  
7. 8239 Token-Ring Stackable Hub  
The LAN shown in Figure1 has provided  
excellent service in this data environ-  
ment. But growth and new graphics  
applications are causing performance  
problems on this traditional, shared-  
media,16-Mbps LAN.  
Combining switching, full-duplex-  
attached servers and micro-segmented,  
shared-media LANs (Figure 2) gives the  
following advantages:  
• No change to installed adapters  
• No change to house wiring  
• No change to application software  
• Fewer users per segment  
• More bandwidth per user  
• Reduction in the number of bridges  
• Reduced complexity  
• Reduced cost  
8270 Nways LAN Switch Family  
Model 800  
Backbones remain overburdened by  
demands of e-mail, busy servers and  
Internet traffic (see Figure 3). Until now  
all you could do was install a faster,  
shared-media LAN like FDDI.  
1. 2210 Router  
Figure 3. Backbone congestion  
2. 8230 Controlled Access Unit  
3. 8228 MAU  
4. 8270 Nways Token-Ring LAN Model 600  
5. 8272 Nways Token-Ring LAN Model 108  
6. 8226 Token-Ring RJ45 Connection  
7. 8239 Token-Ring Stackable Hub  
8. 8270 Nways LAN Switch Model 800  
The 8270 Model 800 can act as a  
powerful workgroup switch or replace  
the entire backbone with a single switch  
(see Figure 4). Use TokenPipes to double  
or quadruple the bandwidth if you need  
it. TokenPipe allows you to connect up to  
four parallel, 32-Mbps paths between  
any two Token-Ring switches, providing  
as much capacity between switches as  
you need. This solution means:  
• No change to application software  
• Elimination or reduction of bridges  
• Elimination of all routers except those on  
the periphery  
• Scalable bandwidth between switches  
using TokenPipes  
• Simplified network management  
Figure 4. The 8270 Model 800 relieves backbone congestion  
 
What you get  
Network and device management  
A full console interface, accessible  
using either a Telnet interface or the  
serial port (VT-100 or VT-100 emulator) on  
the front panel, can be used to configure  
and monitor the IBM 8270. Alternatively,  
the IBM 8270 contains a management  
agent that allows you to monitor and  
control its operation from SNMP applica-  
tions. IBM’s suite of network manage-  
ment applications, such as the IBM  
Nways Workgroup Manager for Windows  
NT and theIBM Nways Manager for AIX,  
allow you to manage your IBM 8270  
using a rich set of graphical interfaces  
from a central location.  
For 8270 Model 800 configurations, you  
can also order an optional redundant  
power supply.  
A minimum IBM 8270 Model 600  
configuration consists of an IBM 8270  
Model 600 and at least one Token-Ring  
Universal Feature Card, each ordered  
separately. When you order an IBM 8270  
Model 600, you get:  
• IBM 8270 Model 600 switch (which  
includes an 8270-600 processor and  
power supply)  
Cables for each of the ports on the 8270  
are required but are not included with  
the switch.When operating as a Token-  
Ring switch the 8270 uses the following  
types of cabling:  
• Category 3, 4 or5,100-ohm, UTP cables  
with RJ-45 connectors wired to support  
Token Ring  
• Rack mounting brackets  
• Cable management bracket  
• Installation Guide and Service  
Information Card  
150-ohm, STP cables with shielded  
RJ-45 connectors wired to support  
Token Ring  
• Safety Manual  
• Publications CD-ROM (which includes  
softcopy of the IBM 8270 Planning,  
Configuration, and Operation Guide)  
• Power cord (US and Canada only)  
• Any current Token-Ring lobe cabling  
support for all types of connectors  
Further, when and if new functions or  
problem fixes become available, the IBM  
8270 can be easily upgraded with new  
operational code. These software  
updates will be made available via the  
World Wide Web, allowing you to conve-  
niently upgrade the operation of your  
IBM 8270.  
• EIA 232-C cable with a DB-9 connector  
for connection to the management port  
A minimum IBM 8270 Model 800  
configuration consists of the following  
components, each of which must be  
ordered separately:  
• An IBM 8270 Model 800 Chassis kit  
• An IBM 8270 Model 800 Processor Card  
• At least one Token-Ring Universal  
Feature Card  
• Multimode or single-mode optical fiber  
with SC or STconnectors for fiber ATM or  
Token-Ring ports  
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 troubleshoot any of the Token-Ring  
ports on your switch using an external  
protocol analyzer. The IBM 8270 SNMP  
agent also includes remote monitoring  
(RMON) support that allows you to  
monitor network conditions on all LAN  
segments attached to your 8270  
When you order an IBM 8270 Model 800  
Chassis kit, you get:  
• IBM 8270 Model 800 chassis (including  
an 8270-800 power supply)  
• Rack mounting brackets  
• Cable management bracket  
• Installation Guide and Service  
Information Card  
• Safety Manual  
• Power cord  
simultaneously and to report this  
information to an RMON application  
using industry-standard protocols.  
When you order an IBM 8270 Model 800  
Processor Card,you get:  
• An IBM 8270 Model 800 Processor Card  
• Publications CD-ROM (which includes  
softcopy of the IBM 8270 Planning,  
Configuration, and Operation Guide)  
 
ModelComparison  
Except for considerations pertaining to  
their number of feature slots and  
Though functionally comparable, the  
differences between the IBM 8270  
Model 600 and the current Model 800  
are summarized in the following table:  
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.  
Model  
Feature  
Slots  
Redundant  
Processor  
Characteristics  
600  
800  
6
8
N/A  
Included (Built-In)  
Redundant Power Supply  
Option; Redundant Fans  
Included  
Separately Ordered  
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  
UFC slots  
• 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.  
Model 800: 8 slots  
Model 600: 6 slots  
Standard compliance  
Full-duplex operation  
Supports IEEE 802.5 network components  
• 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  
Interconnectivity  
Ease of use with source-route switching  
Economy with source-route bridging—redundant paths without external hardware  
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 standard19-inch rack or on a flat surface  
Address filters, virtual switch support, and BootP/TFTP TokenProbe port  
Enhanced management tools  
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  
 
IBM 8270 Nways LAN Switch Family at a glance continued  
Physical specifications continued  
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: 51mm (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.)  
IBM 8270 Nways LAN Switch Family at a glance  
Operating environment  
Model 800  
Temperature: 10° to 40°C (50° to104°F)  
Relative humidity: 8% to 80%  
Wet bulb: 27°C (80.6°F)  
Electrical power: 0.6 kVA  
Leakage and starting current: 0.5 mA/40 A, 6 ms  
Capacity of exhaust: 2.3 m3/min. (82 ft3/min.)  
Sound pressure: 56 dB  
Model 600  
Temperature: 10° to 40°C (50° to104°F)  
Relative humidity: 8% to 80%  
Wet bulb: 27°C (80.6°F)  
Electrical power: 0.15 KVA  
Leakage and starting current: 1.5 mA/40 A, 6 ms  
Capacity of exhaust: 1.3 m3/min. (46 ft3/min.)  
Sound pressure: 44 dB  
Standards compliance  
• 8270 Safety Standards: EN 60950, UL 1950, CSA 950  
• Electromagnetic Standards: FCC Class A (USA), VCCI Class A (Japan),  
ICES-003 Class A (Canada), EEC EMC (CE Mark), EN55022 Class B (CISPR-22B) or Class A  
(CISPR-22A) when configured with UFCs using unshielded cables, IEC 1000-3-2  
(EN 61000-3-2/Confirmed Harmonics Guide Line JEIDA)  
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  
Year 2000  
1 year  
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 all other hardware, software,  
and/or firmware used with the product properly exchange accurate data with it.  
ISO 9000  
The IBM 8270 Nways LAN Switch Family was developed and is manufactured by IBM under a  
registered ISO 9000 quality management system.  
 
8270 UFCs at a glance  
4-Port Token-Ring Enhanced UTP/STP  
Part number: 85H5092  
Cabling:  
UTP/STP via RJ-45 connectors  
Supports Token-Ring STP cabling and category 3, 4 or 5 Token-Ring UTP cabling  
Ports: 4 Token Ring, half-duplex (HDX) or full-duplex (FDX)  
Data rate: 4- or 16-Mbps HDX or 32-Mbps FDX  
2-Port Token-Ring Enhanced Fiber  
1-Port ATM Token-Ring II MMF*  
MSS Client MMF*1  
Part number: 85H5087  
Cabling: Multimode fiber via ST connectors  
Ports: 2 Token Ring, HDX or FDX  
Data rate: 4- or 16-Mbps HDX or 32-Mbps FDX  
Part number: 86H2762  
Cabling: Multimode fiber via an SC connector  
Ports: 1ATM (LANE)  
Data rate: 155 Mbps  
Part number: 85H4596  
Cabling: Multimode fiber via SC connectors  
Ports: 1ATM (LANE, CIP, NHRP)  
Data rate: 155 Mbps  
MSS Client SMF*1  
Part number: 85H4599  
Cabling: Single-mode fiber via SC connectors  
Ports: 1ATM (LANE, CIP, NHRP)  
Data rate: 155 Mbps  
MSS Domain Client*  
Part number: 85H9303  
Cabling: N/A  
Ports: N/A  
Data rate: N/A  
Physical specifications  
All of the 8270 UFCs listed above have identical width and depth but vary in height and weight  
as indicated below.  
Width: 70 mm (6.7 in.)  
Depth: 214 mm (8.4 in.)  
Height:  
25 mm (1.0 in.)  
50 mm (2.0 in.) MSS Client only  
Weight:  
0.4 kg (0.9 lb.)  
0.5 kg (1 lb.) MSS Domain Client only  
0.7 kg (1.5 lb.) MSS Client only  
Publications  
ATM Multimode Fiber Universal Feature Card Planning and Installation Guide, GA27-4156  
MSS Client Universal Feature Card Planning and Installation Guide, GA27-4170  
MSS Domain Client Universal Feature Card Planning and Installation Guide, GA27-4171  
2-Port Fiber and 4-Port UTP/STP Token-Ring Enhanced Universal Feature Cards Planning  
and Installation Guide, GA27-4168  
* Limitations: Maximum of two UFCs in this set may be installed in an IBM 8270. There may also be usage consideration associated with some of  
these combinations.  
1 The MSS Client (MMF and SMF) UFCs each occupy two slots in an 8270. All of the other UFCs occupy one slot each.  
 
Formoreinformation  
To find out more about the IBM 8270  
Nways Token-Ring LAN Switch Family  
and other high-performance IBM  
communications and networking  
products, contact your IBM representa-  
tive or call IBM Direct at1 800-IBM-CALL  
(1 800 426-2255). You can access the  
IBM Networking Home Page at  
www.networking.ibm.com.  
© International Business MachinesCorporation1998  
IBMCorporation  
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POBox12195  
RTPNC 27709  
Copies of this and other related product  
specification sheets can be obtained  
from the IBM FAX Information Service by  
dialing 1 800 IBM-4-FAX  
(1 800 426-4329) in the U.S. or Canada or  
by dialing 415 855-4329 outside the U.S.  
and Canada and requesting the  
following document number:  
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6195: IBM 8270 Nways LAN Switch  
Family Specification Sheet  
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