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6800/7000 Series - Distribution and Routing Products Installation and Opertion Manual 13
Specifications Chapter 2: DNH-6800 DigiNet Hub Module
Specifications
Total Power Dissipation
DigiNet Ports
Item Specification
Maximum (heavy traffic) 250 mA @ 6.5V
(positive rail 1.50 W, negative rail 0.3 W,
total 1.8 W)
Minimum (no traffic) 75 mA @ -6.5V
Item Specification
Number 1 (named Channel 0)
Type 75
W BNC connector, unterminated
Location Auxiliary input B
Number 8 (named Channel 1 through Channel 8)
Type 75
W BNC connector (with on-board
termination)
Location Backplane connector, Outputs 1 through 8
Network Protocol LonTalk CSMA/CD with proprietary
transceiver
Signaling 1.25 Mb/s, Manchester encoded
Levels 1 V
Return Loss Channel 0:
• 28 dB or better @ 2.5 MHz
• 22 dB or better @ 5.0 MHz
Channels 1-8:
• 45 dB or better @ 2.5 MHz
• 40 dB or better @ 5.0 MHz