Subsystem Control Point (SCP) Management Programming Manual
Common Definitions
Subsystem Control Point (SCP) Management Programming Manual—520619-001
4-6
ZSCP Tokens
Open System 
Services (OSS or 
POSIX)
OSS Monitor 24,0 Both
Operator 
Console
$0 (Operator Process) or alternate 
collector
$0.#ZSPI ($0 opened to receive SPI 
commands to $0)
$Z0 (Compatibility Distributor)
Resident printing distributor
1,0
1,1
1,2
1,32
Both
Optical disk unit 5200 Optical Storage Facility (OSF) disk 
drive with 3128 controller
5410 optical disk subsystem with 3219 
controller
5411 optical disk subsystem with 3220 
controller
5420 optical disk subsystem with 3220 
controller
5425 Optical Disk Subsystem Sierra
30,0
30,1
30,2
30,3
30,4
G-series
OSI/AS OSI Application Services OSIMGR
OSI Application Services TAPS
55,1
55,5
G-series
OSI/MHS OSI Message Handling System 55,11 G-series
OSI/TS OSI Transport Services TSP 55,4 G-series
Parallel TCP/IP 68,0 G-series
Process to 
Process Interface
X25AM process 9,0 Both
QIO Queue I/O Monitor Process 45,0 Both
SAFETNET Safe-T-Net unit
Safe-T-Net manager process $ZKEY
Programmable Safe-T-Net unit SAFE/AP
15,0
15,1
15,2
Both
SCP CSM Subsystem Control Point (SCP) 
process
50,63 Both
SCSI Lock 
Management
Coordinates resource sharing SCSI I/O 
subsystem components across processors
67,0 G-series
SMF master SMF master process 52,0 Both
SMF pool Storage pool process 25,0 G-series
Table 4-1. Device Types and Subtypes Supported by the LISTDEV Command, by 
Name (page 4 of 7)
Device Description Type,Subtype D/G-Series










