CB-8 Connecting Block

Description

The CB-8 is an installation accessory designed to provide convenient and reliable power connections for up to eight (8) RTI in-wall keypads, touchpanels and other devices. In addition to providing power, the CB-8 combines and routes the infrared outputs from the touchpanels to a single output for connection to an RTI control processor. Multiple CB-8 units can be daisy-chained for connecting more than eight devices. A 4.3 Amp, 16VDC power supply is included.

Notes

Each CB-8 provides power to the following devices up to the distances listed. For control via RS485, the total wired distance for all attached devices should be kept under 1000 ft (300m).

- KX10s: 2 maximum - up to 60 feet away. - KX3, KX4, KX7s: 4 maximum - Up to 150 feet away.- KX2, RK-1+, RKM-1+: 8 maximum - Up to 1000 feet away.- Expansion Modules (PCM-8): 8 maximum - Up to 1000 feet total wired distance to all modules.

NOTE: The CB-8 is not compatible with the KA8 or KA11.

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CB-8 Connecting Block

Product form

  • Includes 16VDC, 4.0 Amp power supply capable of powering up to eight RTI in-wall keypads, in-wall controller and other devices*.
  • Combines and routes the infrared output from in-wall system controllers to a single output for connection to an RTI control processor
  • Multiple CB-8 units can be daisy-chained for connecting more than eight devices
  • RJ45 ports for easy connection of devices

SKU: RTI-CB8

  • Shipped today? Order within: Nov 04, 2026 13:00:00 -0600

Description

The CB-8 is an installation accessory designed to provide convenient and reliable power connections for up to eight (8) RTI in-wall keypads, touchpanels and other devices. In addition to providing power, the CB-8 combines and routes the infrared outputs from the touchpanels to a single output for connection to an RTI control processor. Multiple CB-8 units can be daisy-chained for connecting more than eight devices. A 4.3 Amp, 16VDC power supply is included.

Notes

Each CB-8 provides power to the following devices up to the distances listed. For control via RS485, the total wired distance for all attached devices should be kept under 1000 ft (300m).

- KX10s: 2 maximum - up to 60 feet away. - KX3, KX4, KX7s: 4 maximum - Up to 150 feet away.- KX2, RK-1+, RKM-1+: 8 maximum - Up to 1000 feet away.- Expansion Modules (PCM-8): 8 maximum - Up to 1000 feet total wired distance to all modules.

NOTE: The CB-8 is not compatible with the KA8 or KA11.

Read more

  • Key Benefits
  • Specs
  • Resources
  • In the Box

Includes 16VDC, 4.0 Amp power supply capable of powering up to eight RTI in-wall keypads, in-wall controller and other devices*.


Combines and routes the infrared output from in-wall system controllers to a single output for connection to an RTI control processor


Multiple CB-8 units can be daisy-chained for connecting more than eight devices


RJ45 ports for easy connection of devices

General
Power+16 VDC, 4.0 A
Maximum Current per Port1.5 A
EnclosureFormed Steel, black powder coating
MountingWall-mount or free standing
Dimensions (Unit)H x W: 5.0" (127 mm) x 9.4 " (239 mm)
Operating Temperature32 to 122 °F (0 to 50 °C)
Operating Humidity5% to 95% RH, non-condensing
Weight (Unit)24.7 oz. (700 g)
Warranty3 years (parts & labor)
Prop 65WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

Included in the box:

  • CB-8
  • Power supply (16V, 4.3A)
  • Operation guide

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer.
​For more information, go to www.P65Warnings.ca.gov.

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