Fibre Channel Adapters; Asynchronous, Wan, And Modem Adapters - IBM Power 595 Technical Overview And Introduction

wires used as two differential signal pairs. One differential signal transmits in one direction
while the other differential signal transmits in the opposite direction. Data can be transmitted
in both directions simultaneously. Table 2-26 lists the SAS adapters that are available for the
595 server.
Table 2-26 Available SAS adapters
Feature Adapter description
code
a
#5902 PCI-X DDR Dual - x4 3 Gb SAS RAID Adapter
#5912 PCI-X DDR Dual - x4 SAS Adapter
a. The SAS RAID adapter must be installed in pairs. The SAS RAID adapter cannot be used to drive. tape, and DVD
media devices.

2.9.5 Fibre Channel adapters

The 595 server supports direct or SAN connection to devices using Fibre Channel adapters.
4 Gbps Fibre Channel adapters are available in either single-port or dual-port configuration.
All of these adapters have LC connectors. If you are attaching a device or switch with an SC
type fiber connector, an LC-SC 50 Micron Fiber Converter Cable (FC 2456) or an LC-SC 62.5
Micron Fiber Converter Cable (FC 2459) is required.
Supported data rates between the server and the attached device or switch are as follows:
Distances of up to 500 meters running at 1 Gbps, distances up to 300 meters running at
2 Gbps data rate, and distances up to 150 meters running at 4 Gbps. When these adapters
are used with IBM supported Fibre Channel storage switches supporting long-wave optics,
distances of up to 10 kilometers are capable running at either 1 Gbps, 2 Gbps, or 4 Gbps data
rates.
Table 2-27 summarizes the Fibre Channel adapters that are available for the 595 server.
Table 2-27 Available Fibre Channel adapter
Feature Adapter description
code
#5749 4 Gbps Fibre Channel (2-port)
#5758 4 Gigabit single-port Fibre Channel PCI-X 2.0 Adapter (LC)
#5759 4 Gigabit dual-port Fibre Channel PCI-X 2.0 Adapter (LC)
#5760 PCI-X Fibre Channel Disk Controller
#5761 PCI-X Fibre Channel Tape Controller

2.9.6 Asynchronous, WAN, and modem adapters

The asynchronous PCI-X adapters provide connection of asynchronous EIA-232 or RS-422
devices. The PCI 2-Line WAN IOA has two ports that provide support for V.21, V.24/EIA232,
V.35 and V.36 communication protocols. The PCI 4-Modem WAN IOA provides four RJ-11
modem ports and the PCI 2-Line WAN w/Modem provides one RJ-11 modem port and one
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Chapter 2. Architectural and technical overview
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