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Network node names are meant to be consistent with the overall device LCLS Naming Conventions. One exception is that the fields of the PV name However, the node names are separated by a dash, "-" whereas the fields of a node name is separated by a colon, ":". In addition, node names are in lower case, whereas PV names are all uppercase, due to SLC Controls System restrictions on VMS. In LCLS-II the uppercase restriction has been lifted for the attribute field of the PV name. A limitation of 24-characters is also current inforced due to a restriction on the VMS EPICS Channel Access Server. This too is a restriction lifted for LCLS-II.
The network node name conforms to the following format: <Device Type ><Area ><Position> < Subnet >
The DeviceType Field for network devices is 2-4 characters in length and can be found in the Table 1.0. The Area Field is 4-character field, with numbers and letters and can be found in Table 1.1. Network devices, with the exception of IOCs tend to use the access building location rather than the sector, as some access buildings may server multiple sectors, such as B005. The Position Field contains a 2-character Subsystem Prefix, followed by a 2-digit Index from 01 to 99. The Subsystem Prefix designates a subsystem of the control system as follows in Table 1.2. The Subnet Field is currently only used for a secondary NIC on the processors. Currently this is only used for fast feedback subnet, in which "-fnet" is used.
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Advanced Tables - Table Plus |
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Area | Physical Location |
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ACR0 | Accelerator Control Room (B052) | AS01 | Accelerator Structure Test System(ASTA) | LI00 | LINAC Sector 0 | LR20 | Laser Room (Upstairs, near sector 20) | LA20 | FACET Laser Room (Upstairs, near Sector 20) | IN20 | Injector | LI20 | LINAC Sector 20 | LI21 | LINAC Sector 21 | LI22 | LINAC Sector 22 | LI23 | LINAC Sector 23 | LI24 | LINAC Sector 24 | LI25 | LINAC Sector 25 | LI26 | LINAC Sector 26 | LI27 | LINAC Sector 27 | LI28 | LINAC Sector 28 | LI29 | LINAC Sector 29 | LI30 | LINAC Sector 30 | MCC0 | Main Control Center (B005) OBSOLETE. Replaced by ACR0 | B005 | Access Building 5 | B136 | Access Building 136 | B911 | Access Building 911 | B912 | Access Building 912 | B913 | Access Building 913 | B921 | Access Building 921 | BSY0 | Beam Switchyard | BSYS | Beam Switch Yard South | BSYN | Beam Switch Yard North | BSYA | Beam Switch Yart A-Line | ESA0 | End Station A and Beam Dump East | BSYB | Beam Switchyard B-Line | LTU0 | LINAC-to Undulator Switchyard | LTU1 | LINAC-to-Undulator Line 1 | UND1 | Undulator on Line 1 | DMP1 | Beam Dump on Line 1 | FEE1 | Front End Enclosure on Line 1 | NEH1 | Near Experimental Hall on Line 1 | XRT1 | X-Ray Tunnel on Line 1 | FEH1 | Far Experimental Hall on Line 1 | SYS0 | LCLS System | SYS1 | FACET System | SYS2 | LCLS-II System | SYS3 | LCLS-III System | SYS4 | NLCTA System | SYS5 | SPEAR System | SYS6 | X-Band Test Area System | SYS7 | ASTA System | SYSW | Global System West | SYSE | Global System East | GBL0 | Global to all Machines | AS01 | ASTA | XT01 | X-Band Test Area |
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