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Table of Contents
Summary of Contents for Intelligent Building Solutions CHB 23 B
- Page 1 Installation Manual CHB 23 B NETWORK HUB up to 8 BUS lines ● Desktop ● CIB-tech...
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Page 2: Electrical Characteristics
Power Supply ● The CHB 23 B can be powered from two sources: remotely from the backbone cable of the CIB-tech network via the IBB-bus connector or locally through its power jack connector. The CHB 23 B favors local power supply over remote power and uses it automatically if available; should the local power supply fail, the CHB 23 B switches back automatically to backbone-supplied power. -
Page 3: Mechanical Characteristics
I n s t a l l a t i o n The CHB 23 B is a desktop hub that requires no special mounting; it can be placed in any suitable rack cabinet or junction box at the CIB-tech bus junction. - Page 4 Selector switch: ● rotary switch for changing bus timing (see details below) ○ CHB 23 B front view Bus connectors OBB-Bus IBB-Bus Power connector connector switch BB-EOL switch BUS-EOL switches BB-EOL switch BUS-EOL switch / BB-EOL switch Switch handle Switch handle...
- Page 5 CHB 23 B top view Power connector Power switch CHB 23 B ©2009 - Intelligent Building Solutions...
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Page 6: Wiring Diagrams
Connection to the backbone bus of the CIB-tech system: Use the CHB 23 B device's two 8P8C (RJ45) modular jack connectors to connect it to the CIB-tech systems (chain like) backbone bus. Do not forget to switch off the corresponding BB-EOL switch(switches) if other devices/hubs are connected to the IBB bus and / or OBB bus connector ;... - Page 7 Connection to CIB-tech systems bus lines (other devices): Use the CHB 23 B device's 8 4P4C modular jack connectors to unite up to 8 CIB-tech bus lines into one CIB- tech network, connected with other bus lines of other hubs via the backbone;...
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Page 8: Connecting The Power Supply
Connecting the power supply The CHB 23 B can be powered via its local power connector: Power suply 24VDC 230VAC NOTE: Power supply with Φ5.5xΦ2.1mm DC plug is required 2.1mm 5.5mm GND (-) +24V 1 See “Recommended equipment to be used with CIB-tech” for details CHB 23 B ©2009 - Intelligent Building Solutions... - Page 9 Changing bus timing is possible using the timing selection switch located on the bottom of the CHB 23 B. The CHB 23 B's timing selection switch has 16 positions, marked 0 to 15(F), with hexadecimal numbers. The typical values in use are 3 to 7 with the default value of 4.
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