Artesyn Centellis 2100 Shelf Release 3.0, Инструкция по установке и эксплуатации, Страница: 54 / 190

Introduction
Centellis 2100 Shelf Release 3.0 Installation and Use (6806800T37D )
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1.2.6 Fan Trays
The system provides fault-tolerant cooling by using two hot-swappable intelligent fan trays,
one accessible from the front and one from the rear. Each fan tray contains two fans which are
speed-controlled by the shelf manager.
1.2.6.1 Air Filters
The air filters are installed inside the front fan tray slot. They ensure that the shelf operates
efficiently and therefore regular maintenance/replacement is required.
1.2.7 User Card Slots
The user card slots are intended to allow application specific extensions of the system
capabilities. Potential applications of user cards include 10G fabric uplink boards or a Clock
Generator Module.
All user cards should fulfill the following requirements to fit into the system:

ZD high speed backplane connector
Use the 3x10 pairs ZD backplane connector, TYCO 64698081-1, to meet the requirement
of 10GB XAUI signal.
The following signals are available on the ZD backplane connector:
– Redundant 3.4 V for IPMC (ATCA-MF106-sourced)
– Redundant Intelligent Platform Management Bus (IPMB)
– Redundant CLK1, CLK2 and CLK3
– Access to fabric channel of one ATCA blade
– Spare pins for at least four bidirectional LVDS ports

Power connector
Use the TYCO 5646956-3, pin power connector.
The backplane power connector provides the following signals:
– Redundant -48 VAC/VRTN
– Shelf ground