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S-4000 Digital Snake Owner’s Manual
53
6—Using the S-4000 System
REAC Cable Length Extension
If necessary, the REAC cable length can be extended by placing an Ethernet switching hub in-line to
refresh the REAC signal. Multiple switching hubs can be used (up to four total), with a maximum cable
length of 100 meters between hubs. (Total cable length with four switching hubs: 500 meters.)
See Chapter 5 for a discussion about Ethernet cables. See the Appendices for a crossover cable
wiring diagram and Ethernet switching hub requirements.
Use Cat5e straight-through cables to connect REAC devices to the ports on the switching hub. If
multiple hubs are used, use Cat5e crossover or straight-through cables to connect hub-to-hub.
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Some switching hubs have ports that allow the use of either crossover or straight-through
cables—they will detect the type of cable that’s connected and adjust the signal transfer
accordingly. Consult the documentation for the switching hub to determine what type of cables
can be used.
Using an Ethernet Switching Hub with Redundant REAC Connections
If an Ethernet switching hub with at least four ports is used in-line for cable length extension, the
S-4000S and S-4000H MAIN and BACKUP REAC ports can be connected to the ports on a single hub.
The proper signal negotiation will be handled within the switching hub. (See the diagram on the
following page.)
If you connect both the MAIN and BACKUP REAC ports to a single switching hub, you are
weakening the redundancy of the system somewhat—if the switching hub fails, both the MAIN
and BACKUP connections fail along with it. Therefore, in critical installations you may want to
consider using separate switching hubs for the MAIN and BACKUP REAC device connections.
Содержание RSS Digital Snake S-4000
Страница 2: ... ...
Страница 6: ...Using the Unit Safely 6 S 4000 Digital Snake Owner s Manual ...
Страница 16: ...1 Introduction 16 S 4000 Digital Snake Owner s Manual ...
Страница 32: ...4 Panel Descriptions 32 S 4000 Digital Snake Owner s Manual ...
Страница 79: ...S 4000 Digital Snake Owner s Manual 79 32x8 System S 4000S 32x8 Master S 4000H 8x32 Slave Applications 8 ...
Страница 80: ...8 Applications 80 S 4000 Digital Snake Owner s Manual 32x8 System with 32 Channel Split ...
Страница 81: ...S 4000 Digital Snake Owner s Manual 81 8 Applications 64x16 System ...
Страница 82: ...8 Applications 82 S 4000 Digital Snake Owner s Manual 64x16 System with 64 Channel Split ...
Страница 91: ...S 4000 Digital Snake Owner s Manual 91 Appendices OUTPUT 17 24 OUTPUT 25 32 ...
Страница 98: ...Appendices 98 S 4000 Digital Snake Owner s Manual Dimensions S 4000H Note Dimensions are shown in millimeters ...
Страница 99: ...S 4000 Digital Snake Owner s Manual 99 Appendices Dimensions S 4000R Note Dimensions are shown in millimeters ...
Страница 100: ...Appendices 100 S 4000 Digital Snake Owner s Manual ...
Страница 104: ...Index 104 S 4000 Digital Snake Owner s Manual ...
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