Bay Networks 5000 Manual de usuario descargar pdf (Pagina 10)

switching processors. The CellManager

ASIC handles module-to-backplane

transfers and, in ATMSpeed modules,

performs local cell switching tasks.

Centillion LAN-ATM platforms with-

stand temporary network congestion

through the abundant onboard buffering

facilities offered by all switching

modules. In addition, multiple

queues provide application-intelligent

trafﬁc prioritization and ATM Forum-

compliant Quality of Service support.

handle chassis-wide housekeeping

functions such as network management,

LAN Emulation, ATM switched virtual

circuit signaling, and interswitch

topology services. Secondary, standby

ATM MCP modules can be added to

all platforms and also provide full

switching capacity while in their idle

MCP state.

As shown in Table 2, the Centillion 50

and Centillion 100 chassis utilize a com-

mon set of switching and MCP modules.

Data Sheet Centillion 50, Centillion 100 and System 5000BH Switches10

ATMSpeed modules go beyond limited

intelligence UNI facilities to provide

intelligent, fault-tolerant Network-

Network Interfaces. This allows

Centillion LAN-ATM switches to

multi-home their interconnections via

genuine load-sharing, fast recovery

links, and facilitates the construction

of heavily meshed network topologies.

MCP facilities are available in both

the ATMSpeed and TokenSpeed

module families—EtherSpeed modules

do not support MCP services. Switch

modules with MCP capabilities also

SWITCHING MODULE CAPABILITY MATRIX

Table 2: Centillion 50 and Centillion 100 Switching Modules.

Module Number and Type of Ports Connector

ATMSpeed Modules

ATMSpeed Flex 155 MCP Module 2-4 OC-3c SC SM/MM Fiber or RJ-45

2-4 DS3 BNC

2-4 E3 BNC

ATM Speed Flex 155 Switch Module 2-4 OC-3c SC SM/MM Fiber or RJ-45

2-4 DS3 BNC

2-4 E3 BNC

EtherSpeed Modules

24-Port EtherSpeed Switch Module 24 10BASE-T Two 50-pin Telco

16-port EtherSpeed 100 Mbps 4 100BASE-TX segments, RJ-45

Segment Switch Module 4 ports per segment

16-Port EtherSpeed Switch Module* 16 10BASE-T RJ-45

10-Port EtherSpeed 10/100 8 10BASE-T RJ-45

Switch Module 2 100BASE-TX RJ-45

10-Port 10/100 EtherSpeed 8 10BASE-T RJ-45

Switch Module 2 100BASE-FX SC Fiber

8-Port EtherSpeed Switch Module 8 10BASE-FL ST Fiber

4-Port EtherSpeed 10/100 Switch Module 4 Autosensing

RJ-45

10BASE-T/100BASE-TX

TokenSpeed Modules

16-Port TokenSpeed Switch Module 16 UTP/STP RJ-45

8-Port TokenSpeed MCP Module 8 UTP/STP RJ-45

* Two versions of this module are available, ﬁtted with different amounts of Content Addressable Memory (CAM).

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