Datasheet

CHAPTER
1-1
Cisco ONS 15454 SDH Reference Manual, R7.0
October 2008
1
Shelf and FMEC Hardware
This chapter provides a description of Cisco ONS 15454 SDH shelf and backplane hardware. Card and
cable 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 SDH Procedure Guide.
Chapter topics include:
• 1.1 Overview, page 1-2
• 1.2 Front Door, page 1-3
• 1.3 Front Mount Electrical Connection, page 1-7
• 1.4 E1-75/120 Conversion Panel, page 1-9
• 1.5 Coaxial Cable, page 1-10
• 1.6 Twisted-Pair Balanced Cable, page 1-10
• 1.8 Cable Routing and Management, page 1-12
• 1.10 Fan-Tray Assembly, page 1-14
• 1.11 Power and Ground Description, page 1-16
• 1.12 Alarm, Timing, LAN, and Craft Pin Connections, page 1-16
• 1.13 Cards and Slots, page 1-16
• 1.14 Software and Hardware Compatibility, page 1-20
Note The Cisco ONS 15454 SDH assembly is intended for use with telecommunications equipment only.
Caution Unused multiservice card slots should be filled with a filler card (Cisco P/N 15454-BLANK) and unused
FMEC slots should be covered with a blank faceplate (Cisco P/N 15454E-BLANK-FMEC). The filler
cards and blank faceplates ensure proper airflow when operating the ONS 15454 SDH without the front
door attached, although Cisco recommends that the front door remain attached.