Nevion Multicon MRP - Manual (Page 3)

Modular Routing Protocol - MRP Rev. L
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Contents
Revision history ........................................................................................................ 2
1 Introduction ............................................................................................................ 5
2 Definitions .............................................................................................................. 6
2.1 Routers and levels ........................................................................................................ 6
2.2 Clients and servers ....................................................................................................... 6
2.3 Message format and structure ....................................................................................... 6
2.4 Common syntax definitions ........................................................................................... 7
2.5 Locking ......................................................................................................................... 7
2.6 Check Sum (Cyclic Redundancy Checksum, CRC) ....................................................... 8
2.7 Protocol error handling .................................................................................................. 8
2.8 Future expansion .......................................................................................................... 8
3 Initial communication ............................................................................................. 9
3.1 Connection to server ..................................................................................................... 9
3.2 User identification and privileges ................................................................................... 9
3.3 User list ......................................................................................................................... 9
4 Protocol configuration .......................................................................................... 10
4.1 Protocol syntax.............................................................................................................10
4.2 CRC in response ..........................................................................................................10
4.3 Command echo ............................................................................................................11
4.4 Protocol version ...........................................................................................................11
4.5 Server Ping ..................................................................................................................11
4.6 Status message suppression .......................................................................................11
5 Logical system structure ...................................................................................... 13
5.1 Level list .......................................................................................................................13
5.2 Virtual Table list ............................................................................................................13
5.3 Virtual Level list ............................................................................................................14
5.4 Parameter group list .....................................................................................................14
5.5 Salvo group list.............................................................................................................14
5.6 Level input information list ............................................................................................15
5.7 Level output information list ..........................................................................................15
5.8 Virtual sources information list ......................................................................................16
5.9 Virtual destinations information list ...............................................................................17
5.10 Category list ...............................................................................................................17
5.11 Salvo list .....................................................................................................................17
5.12 Listing available parameters .......................................................................................18
5.13 Changing the alias of an item .....................................................................................19
5.14 Changing the name of an item ...................................................................................20
5.15 Changing the description of an item ...........................................................................20
6 System status ...................................................................................................... 22
6.1 Status messages ..........................................................................................................22
6.2 Request Crosspoint Status — Entire Level ...................................................................22
6.3 Request Crosspoint Status
– Entire Level – Compact ..................................................23
6.4 Request Virtual Crosspoint Status
— Entire Virtual Table ............................................23
6.5 Request Salvo Status — Entire Salvo Group ...............................................................24
6.6 Request status – partial status .....................................................................................24
6.6.1 Levels........................................................................................................................24