INSTALLATION INSTRUCTIONS
CB2Z
TWO ZONE CONNECTING BLOCK
The Model CB2Z is a device that provides routing of infrared remote control signals. Independent
control of two audio/video systems can be obtained from two zones. One emitter port is provided
for each zone, plus one common port so that certain components can be controlled from both zones.
The CB2Z is a simplified unit, intended for use when only two zones are needed.
SPECIFICATIONS
• Inputs: 2
-
Four
screw
removable
connectors to interface with all
3-wire IR receivers (see Caution
Note, Fig. 2, below)
• Outputs:Two zone emitter ports and 1
common emitter port (3.5mm
miniature phone jacks).
• Can be used with a CB1 Connecting Block or
an ACB1 Amplified Connecting Block for
COMMON emitter expansion. (See Fig. 4 & 5)
• Uses Sonance E1,VE1,E2 and VE2 Mini Emitters.
• Power requirements: 12 volts DC. Uses PS1
or PS2 Power Supplies.
• 2.1 mm coaxial power jack.
• Dimensions: 2-3/8"W x 3"D x 13/16" H.
Fig. 1: CB2Z Two Zone Connecting Block
Mounted in 3” SNAPTRACK®
(SNAPTRACK is a registered trademark of AUGAT)
Fig. 2: 470 Ohm Capacitance
Discharge Resistor
CAUTION: For Shielded Wire and Long Lead Lengths
When using lengths greater than 200 feet of inter-room shielded cable, it may be
necessary to connect a 470 Ohm 1/8 Watt resistor between INPUT (SIG) and
GROUND (GND) at the IR input terminals of the CB2Z. Refer to Fig. 2, above. The
resistor discharges the cable capacitance more quickly, allowing IR codes of high bit
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Power Supply Requirement:
1. Most IR receivers draw 2 milliamps (mA) without signal and 10 mA with signal (check specs. on
actual model).
2. The maximum current for proper operation from the PS1 Power Supply is 200 ma.
3. The maximum current for proper operation from the PS2 Power Supply is 1000 ma.
4. When using combinations of receivers, do not exceed the maximum current ratings of the
power supplies as noted above.
For example, 6 IR receivers and 4 emitters could be used with one PS1 Power Supply. If the current
of the PS1 will be exceeded, use the PS2 power supply instead.
NOTE:
To avoid current "hogging", never connect regulated supplies, such as the PS1 and
PS2, in parallel!
CAUTION:
Do not use unregulated 12V power supply adapters from other manufacturers. These
may deliver excessive voltage to the IR receivers and cause them to “latch-up”. When
this occurs, the “talkback” LEDs and VE1 emitters (if used) will stay on continuously!
EMITTTER EXPANSION
Fig. 4, below, shows the single common emitter port on the CB2Z connected to a CB1 Connecting
Block (or an ACB1 Amplified Connecting Block). Also, if you need to drive more than 4 signal emitters
from the common port, they must be driven by an ACBI Amplified Connecting Block.
Fig. 4: Using CB1 for Emitter Expansion
NOTE:
No power supply is connected to the CB1!It is not needed when the CB1 is
used strictly as an expansion block, as it is in this example. Also, if you need to drive
more than four single emitters from the COMMON port, they must be driven by an
ACB1 Amplified Connecting Block. See Fig. 5, next page.
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CAUTION:
Because the ZONEand COMMONjacks on the CB2Z are connected in series, you must
have an emitter(s), a connecting block (with emitters), or other Sonance IR controlled
device plugged into the COMMON jack for the zone emitters to operate! This is true for the
ZONE OUTPUT jack as well.
Fig. 5,below, illustrates an ACB1 driving six emitters for control of six common components. Up
to 10 single or 10 dual emitters may be driven directly from the ACB1.
Fig. 5: Using a ACB1 for Emitter Expansion
CAUTION:
Because the ZONEand COMMONjacks on the CB2Z are connected in series, you must
have an emitter(s), a connecting block (with emitters), or other Sonance IR controlled
device plugged into the COMMON jack for the zone emitters to operate!
for the ZONE OUTPUT jacks as well.
This is true
MOUNTING
The CB2Z can be conveniently mounted to a wall or shelf by using screws or mounted into 3”
SNAPTRACK®.
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©2002 Sonance. All rights reserved.
SONANCE • 212 Avenida Fabricante • San Clemente, CA 92672
33-1891 4.02
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