CHAPTER
1-1
Cisco ONS 15454 SDH Reference Manual, R4.6
April 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, “DWDM Cards.” To install
equipment, refer to the Cisco ONS 15454 SDH Procedure Guide.
Chapter topics include:
• 1.1 Overview, page 1-2
• 1.2 Typical DWDM Rack Layouts, page 1-3
• 1.3 Front Door, page 1-5
• 1.4 Front Mount Electrical Connection, page 1-9
• 1.5 E1-75/120 Conversion Panel, page 1-11
• 1.6 Coaxial Cable, page 1-12
• 1.7 Twisted-Pair Balanced Cable, page 1-12
• 1.8 Cable Routing and Management, page 1-13
• 1.10 Fan-Tray Assembly, page 1-15
• 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 1-17
• 1.14 Software and Hardware Compatibility, page 1-20
Note The Cisco ONS 15454 SDH assembly is intended for use with telecommunications equipment only.
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Warning
This equipment must be installed and maintained by service personnel as defined by AS/NZS 3260.
Incorrectly connecting this equipment to a general-purpose outlet could be hazardous. The
telecommunications lines must be disconnected 1) before unplugging the main power connector or 2)
while the housing is open, or both.
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