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3.3 | Mount the EN4200
housing
Refer to the EN4200 EchoStream Serial
Receiver Installation Instructions for
mounting instructions.
4 | LED descriptions
The B820 module includes three LEDs:
TX (transmit) LED to indicate data
transmission, RX (receive) LED to indicate
data receipt, and Heartbeat LED to
indicate the status of the SDI2 connection.
Refer to Tables 4.1 and 4.2.
Flash pattern
Function
TX (transmit) ON
Occurs when
steady
transmitting data to
the receiver.
RX (receive) ON
Occurs when
steady
receiving data from
the receiver.
RX (receive) 3
Occurs when a
quick fl ashes
wireless device is
detected.
Table 4.1: TX and RX LED descriptions
Flash
Function
Pattern
Flashes
Normal state. Indicates
once every
normal operation state.
1 second
3 quick
Communication error
fl ashes
state. Indicates (the
every 1
module is in a "no
second
communication state")
resulting in an SDI2
communication error.
ON steady
LED trouble state. Module
is not powered (for OFF
Steady only), or some
OFF steady
other trouble condition
prohibits the module from
controlling the heartbeat
LED.
Table 4.2: Heartbeat LED descriptions
5 | Show the fi rmware version
To show the fi rmware version using an LED
fl ash pattern:
- Remove the cover to the EN4200 housing.
Refer to Section 3.1.
- If you removed the cover previously, press
and release the tamper switch spring.
The heartbeat LED stays OFF for 3 seconds
before indicating the fi rmware version. The
LED pulses the major, minor, and micro
digits of the fi rmware version, with a 1
second pause after each digit.
In the following example, the version 1.4.3
shows as LED fl ashes:
[3 second pause] *___****___*** [3 second
pause, then normal operation].
Figure 5.1: Firmware LED fl ash patterns
6 | Certifi cations
Region
US
UL 365 - Police Station
Connected Burglar Alarm Units
and Systems
UL 609 - Local Burglar Alarm
Units and Systems
UL 636 - Holdup Alarm Units
and Systems
UL 985 - Household Fire
Warning System Units
UL 1023 - Household Burglar
Alarm System Units
UL 1076 - Proprietary Burglar
Alarm Units and Systems
UL 1610 - Central Station
Burglar Alarm Units
CSFM - California Offi ce of The
State Fire Marshall
FCC Part 15 Class B
Canada
CAN/ULC S303 - Local Burglar
Alarm Units and Systems
CAN/ULC S304 - Signal
Receiving Centre and Premise
ICES-003 - Information
Technology Equipment (ITE)
ULC-ORD C1023 - Household
Burglar Alarm System Units
ULC-ORD C1076 - Proprietary
Burglar Alarm Units and System
7 | Specifi cations
Dimensions
3.2 in x 2.8 in x 0.60 in
(82.5 mm x 70 mm x
15.25 mm)
Voltage
12 V nominal
(operating)
Current
110 mA total for B820
(maximum)
module and the EN4200
Operating
+32°F to +122°F
temperature
(0°C to +50°C)
Relative
5% to 93% at +90°F
humidity
(+32°C) non-condensing
Terminal wire
12 AWG to 22 AWG
size
(2 mm to 0.65 mm)
SDI2 wiring
Maximum distance -
Wire size:
600 ft (183 m) -
22 AWG (0.65 mm)
1000 ft (305 m) -
18 AWG (1.02 mm)
(Unshielded wire only)
Compatibility
B9512G/B9512G-E
B8512G/B8512G-E
B6512
B5512/B5512E
B4512/B4512E
B3512/B3512E
D9412GV4
D7412GV4
(Each control panel
supports one B820.)
Copyright
This document is the intellectual property of
Bosch Security Systems, Inc. and is protected
by copyright. All rights reserved.
Trademarks
All hardware and software product names
used in this document are likely to be
registered trademarks and must be treated
accordingly.
Bosch Security Systems, Inc. product
manufacturing dates
Use the serial number located on the
product label and refer to the Bosch Security
Systems, Inc. website at
http://www.boschsecurity.com/datecodes/.
SDI2 Inovonics Interface Module
B820
en Installation Guide
Bosch Security Systems, Inc.
Bosch Sicherheitssysteme GmbH
130 Perinton Parkway
Robert-Bosch-Ring 5
Fairport, NY 14450
85630 Grasbrunn
USA
Germany
www.boschsecurity.com
© 2016 Bosch Security Systems, Inc.
F.01U.265.460 | 06 | 2016.08
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