Towers
224 AS/400e System Handbook
#5057 Storage Expansion Unit
The #5057 provides space for up to 16 disk units on the #5077 Migration Tower II. The #5057
is shipped on new order #5077s when migrating from a Model 640, S30, or 730, which does
not have a #5055. When migrating from a Model 640, S30, or 730, which has a #5055, the
#5055 is converted to a #5057.
#5077 Migration Tower II
#5077 is a feature I/O tower, which supports SPD I/O cards and attaches SPD Expansion
Towers and #5065/#5066 PCI Expansion Towers. The #5077 is supported on Models 830 and
840, SB2, and SB3.
When upgrading from a Model 640, S30, or 730 to a Model 830 or 840, the #5077 is a
manufactured unit and is shipped without a base CD-ROM and without a base optical link
card (CCIN 2696).
If upgrading from a Model 640, S30, or 730 without a #5055 8 Disk Unit Storage Expansion
Unit installed, by default the #5077 is shipped with a #5057 16 Disk Unit Storage Expansion
Unit. The #5057 may be removed from the order. If upgrading from a Model 640, S30, or 730
with #5055 installed, a #5055 to #5057 conversion is performed.
When upgrading from a Model 650, S40, or 740, the #9251 Base I/O Tower on these models
is converted to the #5077.
When upgrading from a Model 820 or 830 with #5034 or #5035 Migration Tower I, which has
SPD cards or SPD towers attached, the #5077 is a manufactured unit and is shipped without
a base CD-ROM and with a base optical link card (CCIN 2696).
One or two #2695 Optical Bus Adapters features may be ordered for the #5077.
Select one of the following HSL cables if the #5077 has just the base optical link card
installed. Select one or two (any combination) of the following HSL cables if the #5077 has
one or two #2695 Optical Bus Adapters installed.
• #1460 - 3m Copper HSL cable
• #1461 - 6m Copper HSL cable
• #1462 - 15m Copper HSL cable
Select one of the following SPCN cables per tower:
• #1463 - 2m SPCN cable
• #1464 - 6m SPCN cable
• #1465 - 15m SPCN cable
• #1466 - 30m SPCN cable
One JTAG-C cable (6m) is included with the #5077.
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