Black Box Active Star Hub IC207A User Manual page 17

IC207A/8A-Manual 7/12/00
ACTIVE STAR HUB
• Verify that the cable distance does not exceed the Active Star Hub's
specification.
• Verify that the cable is data grade.
• Verify that the wiring uses natural pairs.
• Verify that the wiring avoids sources of environmental noise.
• Verify that the balun's pinout matches the Active Star Hub's pinout.
• Verify that the host side balun's pinout/polarity match the device side balun's
pinout/polarity.
Devices interfere with each other.
• Verify that the devices on star segments have unique addresses.
• Verify that all devices are properly terminated.
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