Product specifications

CRS-180 70/140 MHz IF 1:1 Redundancy Switch MN/CRS180.IOM
Table of Contents Revision 11
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1.2 Physical Features ............................................................................................................... 1–2
1.2.1 Modem Side Features .............................................................................................................. 1–2
1.2.2 Top and Antenna Side Features .............................................................................................. 1–3
1.3 Functional Description ....................................................................................................... 1–4
1.3.1 Switch Operation with CDM-625/A, -760, -750, -570/A, -710G, -710, or -700 Modems ........ 1–4
1.3.1.1 1:1 IP Redundancy Data Switching ................................................................................. 1–5
1.3.1.1.1 CDM-625/A, -760, -750, -710G, -710, -700 Managed Switch Mode ........................ 1–5
1.3.1.1.2 CDM-625/A (with Optional IP Packet Processor) – Router Mode ............................ 1–8
1.3.1.1.3 CDM-570/A (with optional IP Module or Packet Processor) Managed Switch or
Router Modes ............................................................................................................................ 1–10
1.4 Summary of Specifications ............................................................................................... 1–14
CHAPTER 2. INSTALLATION ................................................................................. 2–1
2.1 Unpack and Inspect the Shipment ...................................................................................... 2–1
2.2 Mount the Switch .............................................................................................................. 2–2
CHAPTER 3. SWITCH CONNECTORS AND PINOUTS ......................................... 3–1
3.1 Cabling Connection Types .................................................................................................. 3–1
3.1.1 Coaxial Cable Connections....................................................................................................... 3–1
3.1.1.1 Type ‘BNC’ ....................................................................................................................... 3–2
3.1.1.2 Type ‘TNC’ ....................................................................................................................... 3–2
3.1.1.3 Type ‘N’ ........................................................................................................................... 3–2
3.1.1.4 Type ‘F’ ............................................................................................................................ 3–2
3.1.1.5 Type ‘SMA’ (Subminiature Version ‘A’) ........................................................................... 3–3
3.1.2 D-Subminiature Cable Connections ......................................................................................... 3–3
3.1.3 RJ-45, RJ-48 Cable Connections ............................................................................................... 3–3
3.2 CRS-180 User Connectors ................................................................................................... 3–4
3.2.1 Modem Side Connectors ......................................................................................................... 3–4
3.2.1.1 IF Connectors (50Ω BNC) ................................................................................................ 3–4
3.2.1.2 ‘J3 | Control A’ Connector (Top) – Modem ‘A’ (DB-9F) .................................................. 3–5
3.2.1.3 ‘J4 | Control B’ Connector (Bottom) – Modem ‘B’ (DB-9F) ............................................ 3–5
3.2.2 Antenna Side Connectors ........................................................................................................ 3–6
3.2.2.1 IF Connectors (50Ω BNC) ................................................................................................ 3–6
3.2.2.2 Ground Stud .................................................................................................................... 3–6
CHAPTER 4. MODEM AND SWITCH CONFIGURATION ...................................... 4–1
4.1 Overview ........................................................................................................................... 4–1
4.2 Configure the CDM-625/As for 1:1 Redundancy .................................................................. 4–3
4.2.1 CDM-625/A Remote User M&C Ethernet Interface ................................................................ 4–4