6—Using the S-4000 System
54 S-4000 Digital Snake Owner’s Manual
Note: The connection shown above will work when extending the REAC cable length (MAIN and
BACKUP) a total of 200 meters. If you need to extend the distance another 100 meters, use separate
switching hubs in-line (four total) for the MAIN and BACKUP connections.
REAC Connection Notes
• The REAC connection can be “hot-swapped”—that is, connections can be made when the
S-4000S and S-4000H units are powered on.
• The system is designed so that operation will inaudibly switch to the BACKUP REAC port should
the MAIN REAC connection fail. However, in some circumstances, this switch-over may result in
brief noise at the system’s audio outputs.
• If the REAC cable is disconnected while MUTE ALL OUTPUTS is held, it’s possible that one of the
S-4000 units will remain in a muted state when MUTE ALL OUTPUTS is released. If this occurs,
use the following procedure:
1. Reconnect the REAC cable.
2. Press and release MUTE ALL OUTPUTS.
Notes About Handling Cat5e Cables
• Do not subject the Cat5e cable to stress or physical shock.
• Do not bend the Cat5e cable within a range of 25 mm.
• Do not fasten Cat5e cables in a tight bundle.
• Avoid laying multiple Cat5e cables in a parallel orientation over long distances.
• Avoid laying Cat5e cables near noise sources (AC power cables, motors, fluorescent lighting,
etc.).
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