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LTC 4600 Series | Instruction Manual | Installation
Bosch Security Systems | July 08, 2008
EN
|
12
4.6 LTC 4628, LTC 4629 Series Modules
for Video + Bosch Biphase Control
Code Transmission
4.6.1 Indicators / Operation
1. The POWER LED illuminates when AC power is
applied to the unit.
2. LTC 4628/60, LTC 4628/50, and LTC 4628/00
units: The VIDEO PRESENT LED illuminates
GREEN when a valid video signal is present, or
RED if no video is being received. The DATA
RECEIVE LED illuminates RED when no data is
received, and flashes YELLOW as data is received.
3. LTC 4629/60, LTC 4629/50, and LTC 4629/00
units: The VIDEO OUT LED illuminates GREEN
when a valid video signal is present on the
LTC 4628 Series Transmitter, or RED if no video is
present. The DATA IN LED illuminates RED if no
data is being received on the optical signal, and
flashes YELLOW as data is received.
4.6.2 Optional Connection
Because of signal amplitude variations and possible
EMI/RFI noise interference in the Biphase control data
line, the pan/tilt device may operate erratically or
intermittently when first connected. If this is the case,
add the supplied 120 ohm termination resistor across
the data connections of the LTC 4629 fiber optic
module located at the controller site.
If the supplied resistor is damaged or lost, any locally
obtained conventional 1/4 watt carbon resistor
between 100 and 120 ohms will suffice.
LTC 4629
VIDEO RECEIVER + DATA TRANSMITTER
OPTICAL
IN/OUT
DATA IN
VIDEO OUT
POWER
VIDEO OUT
POWER
- 2
+12VDC - 1
- 4
-DATA - 3
- 2
+DATA - 1
RS232
RS422
- 5
- 6
BOSCH
ALLEGIANT Video System
CODE OUT
ALARM STATUS
BATTERY LOW
POWER
MONITOR
BOSCH AutoDome Series with
Integrated Fiber Optic Module
AC
POWER
POWER
SUPPLY
BLACK
with
WHITE
Markings
BLACK
Data "-" to Pin 3
Data "+" to Pin 1
Biphase Control
Code Output
Typical Allegiant Series
Switcher, System4 Series
Multiplexer, or other Device
Generating BOSCH Biphase
Control Code
IntuiKey Series
Keyboard
Up to 4 km (2.5 mi) using
62.5/125 micron
Multimode Fiber Optic Cable
Biphase Control Data
Video Signal
Video
Coax
Video
Coax
Keyboard
Data Cable
1
2
3
4
5
6
7
8
9
0
Sh
ot
Mo
n
Pro
d
Cl
r
BOSCH
Refer to Text
Regarding Supplied
120 ohm Resistor
Figure 5 LTC 4629 Series Stand-alone Transceiver Used with AutoDomefi Fiber Unit
Typical Configurations: