Installation guide

18-26 Hardware maintenance
Disk unit replacement—shadowed system
Standard 1.0 Modular Option EC Installation and Maintenance Guide November 1999
At the time that expansion to a shadowed system is
performed, install the secondary disk (in a shadowed system
the disk unit also contains an auxiliary power unit) in the
system.
The NT PEC codes for the different disk/power units are
as follows:
– 300 Mbyte NT6P43AA
– 1.0 Gbyte NT6P44AA
– 2.0 Gbyte NT6P44BA
– 4.5 Gbyte NTNTDK74AB