
16 Acronyms and Abbreviations
Table 36 Acronyms and Abbreviations
CU
control unit
ESCON
Enterprise System Connection (IBM trademark for optical channels)
I/O input/output
IBM
International Business Machines Corporation
LAN
local-area network
LCP
local control port
LED
light-emitt
ing diode
LUN
logical unit (also called device emulation or device type)
Mb/s
megabits per second
MCU
main contro
lunit
NVS
nonvolatile storage
PC
personal computer system
PCB
printed circuit board
PSUE
pair suspended-error
PSUS
pair suspended-split
P-VOL
primary v
olume
RAID
redundant array of independent disks
RCP
remote control port
RCU
remote co
ntrol unit
RIO remote IO
SIM
service information message
SMPL
simplex
S/N
serial number (also abbreviated as s#)
SSID
storage subsystem identification
S-VOL
secondary volume
SVP
service processor
sync
synchronous
s#
serial number (also abbreviated as S/N)
VOL
volume
Hitachi Universal Replicator for z/OS user guide for XP12000/XP10000 Disk Arrays and SVS 200
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