IBM 86884RX Installation Guide - Page 37

Redundancy, If you require KVM support the 1.5 M USB Conversion Option UCO part

Page 37 highlights

Three USB ports (one on the front panel, two on the rear). All USB ports are 2.0 compliant. One RS-232 serial port, located on the rear of the machine. Remote Supervisor Adapter (RS-485 ASM interconnect bus, 10/100 Ethernet and serial ports). Note: There are no PS/2 keyboard or mouse ports on the x450. USB keyboard and mice are supported, as well as serial connections via the integrated serial port. If you require KVM support the 1.5 M USB Conversion Option (UCO) (part number 73P5832) enables the x450 to be attached to one of the Advanced Connectivity Technology (ACT) switches for common management within the rack. This smart cable is plugged into the USB and video ports on the server. It converts KVM signals to CAT5 signals for transmission over a CAT5 cable to either a Remote Console Manager (RCM) or Local Console Manager (LCM). USB servers can be managed on the same set of switches as legacy PS/2-based or C2T-based KVM servers. With the addition of an RXE-100 Remote Expansion Enclosure, you can connect an additional six or 12 PCI-X adapters to the x450. See 3.2.2, "Remote Expansion Enclosure" on page 51 for details. Note: Currently, only one RXE-100 can be connected to an x450 configuration. 1.9 Redundancy The x450 has the following redundancy features to maintain high availability: Four hot-swap multi-speed fans With four hot-swap redundant fans, the x450 has adequate cooling for each of its major component areas. There are two fans located at the front of the server that direct air through the memory-board assembly and processor-board assembly. These fans are accessible from the top of the server without having to open the system panels. In the event of a fan failure, the other fan will speed up to continue to provide adequate cooling until the fan can be hot-swapped by the IT administrator. The other two fans are located just behind the power supplies and provide cooling for the I/O devices. Similar to the SMP Expansion Module fans, these fans will speed up in the event that one should fail to compensate for the reduction in air flow. In general, failed fans should be replaced within 24 hours following failure. Chapter 1. Technical description 23

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Chapter 1. Technical description
23
±
Three USB ports (one on the front panel, two on the rear). All USB ports are
2.0 compliant.
±
One RS-232 serial port, located on the rear of the machine.
±
Remote Supervisor Adapter (RS-485 ASM interconnect bus, 10/100 Ethernet
and serial ports).
With the addition of an RXE-100 Remote Expansion Enclosure, you can connect
an additional six or 12 PCI-X adapters to the x450. See 3.2.2, “Remote
Expansion Enclosure” on page 51 for details.
Note:
Currently, only one RXE-100 can be connected to an x450 configuration.
1.9
Redundancy
The x450 has the following redundancy features to maintain high availability:
±
Four hot-swap multi-speed fans
With four hot-swap redundant fans, the x450 has adequate cooling for each of
its major component areas. There are two fans located at the front of the
server that direct air through the memory-board assembly and
processor-board assembly. These fans are accessible from the top of the
server without having to open the system panels. In the event of a fan failure,
the other fan will speed up to continue to provide adequate cooling until the
fan can be hot-swapped by the IT administrator.
The other two fans are located just behind the power supplies and provide
cooling for the I/O devices. Similar to the SMP Expansion Module fans, these
fans will speed up in the event that one should fail to compensate for the
reduction in air flow. In general, failed fans should be replaced within 24 hours
following failure.
Note:
There are no PS/2 keyboard or mouse ports on the x450. USB
keyboard and mice are supported, as well as serial connections via the
integrated serial port.
If you require KVM support the 1.5 M USB Conversion Option (UCO) (part
number 73P5832) enables the x450 to be attached to one of the Advanced
Connectivity Technology (ACT) switches for common management within the
rack. This smart cable is plugged into the USB and video ports on the server.
It converts KVM signals to CAT5 signals for transmission over a CAT5 cable to
either a Remote Console Manager (RCM) or Local Console Manager (LCM).
USB servers can be managed on the same set of switches as legacy
PS/2-based or C2T-based KVM servers.