Bosch CM-A 19 User manual

Amplifier CM-A 19
en Operating instructions
7 620 200 072

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7 620 200 072 | 09.2020 Robert Bosch GmbH
CE approval
The Amplifier CM-A 19 has been tested according to the
regulatory requirements of the European Union (EU) in
accordance with the 2014/30/EU standard, and meets
all the requirements for the CE label.
The complete text of the EU Declaration of Conformity is
available at this internet address:
www.bosch-professional-systems.com
Specific to US:
The users manual or instruction manual for an intentio-
nal or unintentional radiator shall caution the user that
changes or modifications not expressly approved by the
party responsible for compliance could void the user‘s
authority to operate the equipment.
This device complies with Part 15 of the FCC Rules [and
with RSS-GEN of Industry Canada].
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received,
including interference that may cause undesired
operation.
Changes or modifications made to this equipment not
expressly approved by Robert Bosch GmbH may void the
authorization to operate this equipment.
Responsible Party – U.S. Contact Information:
Robert Bosch LLC
15000 Haggerty Road
Plymouth, MI 48170
Road safety
Make sure that your ability to drive is not
impaired and your vision is not blocked by the
device or the wiring connected to it.
Risk of electrical shock or fire
If you disassemble the device, it might result in
electrical shock or fire.
Do not open the device.
Malfunctions
Do not use the device if you notice any
malfunctions such as poor video quality.
Continued use of a malfunctioning system may
result in accidents, fire or electrical shock.
Contents | Important information
Contents
2 Important information
2 Agreed product use
2 CE approval
3 Installation
3 Switching on/off
3 Technical data
4 Device drawings
Important information
Before using the device, please read these instructions
carefully and familiarize yourself with the device. Keep
these instructions in your vehicle for later reference.
Changes or modifications not expressly approved by the
party responsible for compliance could void the user‘s
authority to operate the equipment.
Agreed product use
The device has been designed for operation in a
commercial vehicle with a 24 V electrical system.
The device must not be operated in any other environ-
ment or in an intended environment that is compromi-
sed e.g. by damage or malfunction.

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7 620 200 072 | 09.2020Robert Bosch GmbH
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Installation | Switching on/off | Technical data
Installation
Risk of burns, electrical short or
fire
During operation, the device heats up
considerably.
Do not touch the device in or shortly after
operation. Wait until the device cooled down
sufficiently.
The installation and deinstallation of the device
by a qualified specialist workshop is strongly
recommended.
Note:
Please also observe the information given in
the device drawings at the end of this docu-
ment.
Please observe the following installation notes:
fThe device must be installed in the coach interior.
fThe device must be mounted to a plain, stiff surface
with sufficient stability.
fThe mounting location must resist a permanent
temperature of up to 120° C.
fThe mounting location must provide suitable
conditions and enough free space to allow for a
sufficient convection ventilation of the device.
fDo not exceed the maximum length of the device‘s
supply cables.
fThe device‘s supply cable must provide a minimum
cross sectional area of 2.1 mm2.
fObserve the minimum bending radius of the
device‘s supply cables.
fEnsure that the device‘s supply cables are pro-
tected against sharp edges.
fThe device‘s connection cables must be installed
and fixed in a way that no force is exerted on the
plugs.
fOnly use suitable screws and washers for mounting
the device.
Switching on/off
The device is automatically switched on or off by the
Coach Infotainment system of your Vehicle.
Technical data
Power Supply 24 V (17 V – 36 V)
Current consumption (@ 24 V, 25 °C)
In operation 2 A
Max. current 18 A
Standby current Max. 350 μA (stand-alone unit)
Inputs
Ignition (digital)
Reverse gear status (digital)
Door status (digital)
CM-C 19 audio (stereo line in)
2 x guide microphone input (dyn. microphone
input/mic switch)
Outputs
Digital Announcement relay
Safe shutdown
CM-C 19 power 13.8 V/8.5 A
wakeup input/output
3 x speaker output (2 x 40 W stereo out)
Intercom
Audio line in
Audio line out
Intercom control (ASCII serial com)
Connectivity
Network interface 100 Base T1 UTP
AETH ports 6 x 100 MBits/s full duplex
Operating temperature -20°C to +70 °C
Storage temperature -40 °C to +85 °C
Dimensions (L x W x H) 284 x 181.4 x 62 mm
Weight Approx. 2240 g
Certification CE, UN ECE R10,
UN ECE R118
Subject to changes!

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7 620 200 072 | 09.2020 Robert Bosch GmbH
Device drawings
Device drawings
The Amplifier CM-A documentation consists of:
- 7620 200 072 Technical customer documentation (TCD)
- User Manual (this document)
- TCD drawing
Together, all documents form the complete product documentation. Please note that all documented
regulations and constrains have to be complied with when installing this product into coaches.

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7 620 200 072 | 09.2020Robert Bosch GmbH
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Device drawings

Robert Bosch GmbH
Robert-Bosch-Platz 1
70839 Gerlingen
Germany
www.bosch-professional-systems.com
09/2020 – CVO/PRM-CM