Cisco 1941-DC-A Hardware Installation Guide - Page 383
Connecting WAAS Enhanced Network Modules
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36 C H A P T E R Connecting WAAS Enhanced Network Modules This chapter describes WAAS enhanced network modules for Cisco integrated services routers, and contains the following sections: • WAAS Enhanced Network Modules, page 36-1 • Connecting WAAS Enhanced Network Modules, page 36-4 • Online Insertion and Removal of Cisco Network Modules Procedure, page 36-6 • Additional References, page 36-8 Tip To determine whether your Cisco router supports a specific network module, see Table 1-6 on page 1-16. WAAS Enhanced Network Modules The WAAS enhanced network module (NME-WAE family of devices) works together with other wide-area application engines (WAEs) in your network to optimize TCP traffic over your network. When client and server applications attempt to communicate with each other, the network intercepts and redirects this traffic to the WAEs so that they can act on behalf of the client application and the destination server. The WAEs examine the traffic and use built-in application policies to determine whether to optimize the traffic or allow it to pass through your network unoptimized. Three models of the WAAS enhanced network module are available. (See Figure 36-1 on page 36-2.) • NME-WAE-302-K9 • NME-WAE-502-K9 • NME-WAE-522-K9 Warning To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety, connect the WAAS enhanced network modules (NME-WAE-302-K9, NME-WAE-502-K9 and NME-WAE-522-K9) only to intra-building or unexposed wiring or cable. The intrabuilding cable must be shielded and the shield must be grounded at both ends. The intra-building port(s) of the equipment or subassembly must not be metallically connected to interfaces that connect to the OSP or its wiring. These interfaces are designed for use as intra-building interfaces only (Type 2 or Type 4 ports as described in GR-1089-CORE, Issue 4) and require isolation from the exposed OSP cabling. The addition of Primary Protectors is not sufficient protection in order to connect these interfaces metallically to OSP wiring. OL-2485-20 Cisco Network Modules Hardware Installation Guide 36-1