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instruction manual

Axcess Central Controllers

AXlink Wiring 

Considerations

Summary of Contents for AXlink

Page 1: ...instruction manual Axcess Central Controllers AXlink Wiring Considerations ...

Page 2: ...e RMA is cancelled will be refused AMX is not responsible for products returned without a valid RMA number AMX Corporation is not liable for any damages caused by its products or for the failure of its products to perform This includes any lost profits lost savings incidental damages or consequential damages AMX Corporation is not liable for any claim made by a third party or by an AMX Dealer for ...

Page 3: ...ink Protocol 1 AXlink Electrical and Timing Characteristics 2 Cable Types and Maximum Distances 2 Pre manufactured AXlink cable 2 Power Distribution 3 Calculating AXlink wiring distances 3 Liberty Cable Wire Inc cables 4 Belden 8102 compliant cables 4 Category 5 compliant cables 4 Using Ground Shielding 5 ...

Page 4: ...ii AXlink Wiring Considerations Table of Contents ...

Page 5: ...lly wired in parallel and require a minimum of three conductors for signal power ground AXM and AXP An optional fourth conductor can be used for 12 VDC power distribution The AXM and AXP AXlink data signals are differential and require one pair of twisted conductors The wiring distance specifications describe the total wiring distance between external devices and the Central Controller For example...

Page 6: ...nd a 12 VDC power pair of 18 AWG stranded wire The nominal capacitance between the data conductors is 12 5 pF ft Using the Liberty Wire Cable Inc AXlink cable the maximum overall cable distance between the Central Controller and all external devices for data communication is 3 000 feet with no remote power FIG 2 AXlink electrical and timing characteristics Electrical timing characteristics Paramet...

Page 7: ...ower 1 Total current consumption of all device s on AXlink cable wire resistance per foot 2 voltage drop per foot See tables below for the Wire Resistance Foot values 2 Power supply voltage 12 VDC surplus voltage dissipation for cable run 3 Surplus voltage dissipation for cable run voltage drop per foot Maximum distance in feet The following table lists the resistance factors used in the formula M...

Page 8: ...y used when supplying 12 VDC via the AXlink cable The PWR connection should not be used when a local power supply is connected directly to the external AXlink device Category 5 compliant cables Category 5 cable contains four unshielded twisted pairs UTP of 24 AWG solid wire The nominal capacitance between conductors is 15 0 pF ft Using Category 5 compliant cable for AXlink data communication the m...

Page 9: ...mal circumstances ground shielding should not be necessary Only use ground shielding when experiencing noise in the line The shield connection should only be tied on one end the Master side FIG 5 Category 5 wiring diagram with PWR connection FIG 6 Category 5 wiring diagram without PWR connection Tying both ends can result in a ground loop Tie the ground shield connection to the Master side only ...

Page 10: ...A BELGIUM BRAZIL CANADA CHINA ENGLAND FRANCE GERMANY GREECE HONG KONG INDIA INDONESIA ITALY JAPAN LEBANON MALAYSIA MEXICO NETHERLANDS NEW ZEALAND PHILIPPINES PORTUGAL RUSSIA SINGAPORE SPAIN SWITZERLAND THAILAND TURKEY USA ATLANTA BOSTON CHICAGO CLEVELAND DALLAS DENVER INDIANAPOLIS LOS ANGELES MINNEAPOLIS PHILADELPHIA PHOENIX PORTLAND SPOKANE TAMPA 3000 RESEARCH DRIVE RICHARDSON TX 75082 USA 800 22...

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