Cisco LightStream 1010 Configuration Note page 2

Atm switch processor module

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What is the LightStream 1010 ATM Switch?

The LightStream 1010 uses a ﬁve-slot, modular chassis featuring the option of dual, fault-tolerant,

load-sharing power supplies (See Figure 1.) The central slot in the LightStream 1010 is dedicated to

a single, ﬁeld-replaceable ATM switch processor (ASP) module that supports both the 5-Gbps

shared memory and the fully nonblocking switch fabric. The ASP also supports the feature card and

high performance reduced instruction set (RISC) processor that provides the central intelligence for

the device. The remaining slots support up to four hot-swappable Carrier Modules (CAMs). Each

CAM supports up to two hot-swappable Port Adapter Modules (PAMs) for a maximum of eight

PAMs per switch, supporting a wide variety of desktop, backbone, and wide-area interfaces.

Figure 1

Power supply 0

The LightStream 1010 ATM switch provides switched ATM connections to individual workstations,

servers, LAN segments, or other ATM switches and routers using ﬁber-optic, unshielded

twisted-pair (UTP), and coaxial cable.

Figure 2 shows an example of a network conﬁguration using the LightStream 1010 ATM switch in

a high-performance workgroup.

2 LightStream 1010 ATM Switch Processor Module Conﬁguration Note

Front View of the LightStream 1010 ATM Switch

Power supply 1

ATM switch processor

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