I/O Adapter 257
I/O Adapter
Connection to the WAN port is through one of the following cables:
• #0348 V.24/EIA232 20 ft PCI cable
• #0349 V.24/EIA232 50-ft PCI cable
• #0353 V.35 20 ft PCI cable
• #0354 V.35 50-ft PCI cable
• #0355 V.35 80-ft PCI cable
• #0356 V.36 20 ft PCI cable
• #0358 V.36 150-ft PCI cable
• #0359 X.21 20 ft PCI cable
• #0360 X.21 50-ft PCI cable
• #0365 V.24/EIA232 80-ft PCI cable
ECS and fax are not supported on the V.90 port at this time. IBM intends to support both on
the V.90 port at the next release of OS/400 and with a Group PTF for V4R5.
ECS operates on the WAN port of the #9771 by changing the *RSRCNAME parameter of the
QESLINE and QTILINE line descriptions to that of the WAN port on the #9771 card.
When the #9771 is selected to support ECS, one of the following cables must be specified
and connects to the WAN port:
• #0348 V.24/EIA232 20-ft PCI cable (Default)
• #0349 V.24/EIA232 50-ft PCI cable
• #0365 V.24/EIA232 80-ft PCI cable
The #9771 does not support the Operations Console as a systems console. Remote power
on is not supported.
#2763 PCI RAID Disk Unit Controller
The #2763 is an Ultra2 SCSI disk unit controller with a 10 MB write-cache that provides
RAID-5 protection for internal disk units and also supports internal tape and CD-ROM units.
In addition to providing RAID-5 protection for disks, the #2763 is also designed to work as a
high-performance controller for disks protected by system mirroring or disks with no
protection. In the RAID-5 configuration, disk unit protection is provided at less cost than
mirroring and with greater performance than system checksums.
The #2763 controller supports a maximum of 12 disk units and up to two removable media
devices and is available on the Model 270, the Model 820, and the #5075 PCI Expansion
Tower.
A minimum of four drives of the same capacity are needed for a valid RAID-5 configuration. A
maximum of three arrays are allowed, with a maximum of 10 drives allowed per array. All
drives in an array must be of the same capacity.
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