Comtech EF Data CRS-300 - Manual (Page 11)

CRS-300 1:10 Redundancy Switch MN/CRS300.IOM
Table of Contents Revision 19
ix
6.2.5.1 STORE/LD: STORE .......................................................................................................... 6–20
6.2.5.2 STORE/LD: LOAD ........................................................................................................... 6–21
6.2.6 SELECT: UTILITY...................................................................................................................... 6–21
6.2.6.1 UTILITY: SET- RTC (Set Real-Time Clock) ....................................................................... 6–21
6.2.6.2 UTILITY: DISPLAY (Display Brightness) .......................................................................... 6–21
6.2.6.3 UTILITY: SWITCH-ID ....................................................................................................... 6–22
6.2.6.4 UTILITY: TEST ................................................................................................................. 6–22
6.2.6.5 UTILITY: RELAY .............................................................................................................. 6–22
CHAPTER 7. SERIAL-BASED REMOTE PRODUCT MANAGEMENT .............................................. 7–1
7.1 Overview ........................................................................................................................... 7–1
7.2 EIA-485 .............................................................................................................................. 7–1
7.3 EIA-232 .............................................................................................................................. 7–2
7.4 Rules for Remote Serial Communications with the CRS-300................................................. 7–2
7.5 Basic Protocol .................................................................................................................... 7–3
7.5.1 Packet Structure ...................................................................................................................... 7–4
7.5.1.1 Start of Packet ................................................................................................................. 7–4
7.5.1.2 Target Address ................................................................................................................ 7–5
7.5.1.3 Address Delimiter ........................................................................................................... 7–6
7.5.1.4 Instruction Code.............................................................................................................. 7–6
7.5.1.5 Instruction Code Qualifier ............................................................................................... 7–6
7.5.1.6 Optional Message Arguments ........................................................................................ 7–7
7.5.1.7 End Of Packet .................................................................................................................. 7–7
7.6 Remote Commands and Queries ........................................................................................ 7–8
APPENDIX A. ETHERNET NETWORK CONFIGURATIONS ........................................................... A–1
A.1 Overview .......................................................................................................................... A–1
A.2 Ethernet Routers vs. Switches ........................................................................................... A–1
A.3 Ethernet Configuration Examples ...................................................................................... A–2
A.3.1 Ethernet Network Overview .................................................................................................... A–2
A.3.2 Ethernet Redundancy with CRS-300 ........................................................................................ A–3
A.3.2.1 Wired-thru Connection ................................................................................................... A–3
A.3.2.2 Wired-around Connection .............................................................................................. A–3
A.3.4 Hub-to-Hub with Standard Traffic using Routers .................................................................... A–4
A.3.5 Hub-to-Hub with Standard Traffic using Switches .................................................................. A–6
A.3.6 Hub-to-Remotes with Standard Traffic using Routers or Switches ......................................... A–8
A.3.7 Hub-to-Remotes, Split-path Traffic using Routers (Point-to-Multipoint).............................. A–10
A.3.8 Hub-to-Remotes, Split-path Traffic using Switches (Point-to-Multipoint) ............................ A–12