Extension Cards - Bosch Digital Congress Network Data Brochure

60 | DCN Central Control Equipment |

4.4 Extension cards

LBB 3511/00
PC Card for Multi-CCU Systems
This card provides the interface for communication
between the PC and interconnected Multi-CCUs, type
LBB 3500/35. It is installed in an 16-bit ISA-bus expan-
sion slot of a personal computer.
The PC Card should be installed in a secondary dedi-
cated PC, running OS/2, and not in the main PC run-
ning the DCN control software in Windows.
LBB 3512/00
Data Distribution Board
• Drives hall displays and camera systems
• Allows transparent data transport for remote control of
external equipment
LBB 3519/20
Trunk Communication Board
DCN Data Brochure
Once the card and the Multi-CCU software package
LBB 3586 is installed, the PC acts as the master network
provider for all Multi-CCUs connected to the multi-
CCU network. A maximum of 16 Multi-CCUs can be
connected to the card, in a closed loop configuration,
using the two BNC connectors on the card. Standard
75 Ω (RG 59) coaxial cable is used to make the connec-
tion.
Controls and indicators
• Output port 1
• DIP switches to define the card's digital input
• DIP switches to define the card's I/0-address
• Red, Green and Yellow LEDs
Interconnection
• Input connection for external power-fail signal (active low)
• BNC connector for 'Multi-trunk Out'
• BNC connector for 'Multi-trunk In'
• 16 bit ISA-bus connector
Dimensions (H x W)
This printed circuit board is used with digital equip-
ment such as hall displays, recorder systems and camera
controllers to provide the data communication link to
the DCN.
Note: For more information, refer to section 6 (DCN
Information Displays).
The LBB 3519/20 Trunk Communication Board is re-
quired for LBB 3500/xx CCUs for upgrading purposes.
The Trunk Communication Board can easily be fitted
into the CCU. Full installation instructions are supplied
with the board.
Technical data
100 x 220 mm
(3.93 x 8.66 in) (for AT slot)