![]() Rather, these terms, as well as "Path Protected Mesh Network" and "PPMN," refer generally to Cisco's path protection feature, which may be used in any topological network configuration. Cisco does not recommend using its path protection feature in any particular topological network configuration. This chapter provides a description of Cisco ONS 15454 shelf and backplane hardware. Alarm, Timing, LAN, and Craft Pin ConnectionsĬaution Unused card slots should be filled with a detectable filler card (Cisco P/N 15454-FILLER) or a non-detectable filler card (Cisco P/N 15454-BLANK).Card descriptions are provided in Chapter 2 "Common Control Cards," Chapter 3 "Electrical Cards," Chapter 4 "Optical Cards," Chapter 5 "Ethernet Cards," and Chapter 6 "Storage Access Networking Cards." To install equipment, refer to the Cisco ONS 15454 Procedure Guide. ![]() The filler card ensures proper airflow when operating the ONS 15454 without the front door attached, although Cisco recommends that the front door remain attached. Note The ONS 15454 is designed to comply with Telcordia GR-1089-CORE Type 2 and Type 4. Install and operate the ONS 15454 only in environments that do not expose wiring or cabling to the outside plant. Acceptable applications include Central Office Environments (COEs), Electronic Equipment Enclosures (EEEs), Controlled Environment Vaults (CEVs), huts, and Customer Premise Environments (CPEs). Note The Cisco ONS 15454 assembly is intended for use with telecommunications equipment only.
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