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Universal Zone Coder (UZC-256)
5-12 AFP-300/AFP-400 Installation PN 50253:C1 05/22/97
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The UZC-256 board is used for zone coding, providing up to 256 software zone codes.
The UZC-256 monitors system status through the CPU EIA-485 annunciator port and
outputs pre-programmed codes in response to signals it receives. This section contains
descriptions of the UZC-256 board and instructions for installing the board. For
additional information, refer to the UZC-256 manual.
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Figure 5-11 shows the connections and indicators on the UZC-256 board:
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Table 5-6 contains descriptions of the components shown in Figure 5-11.
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Item Description
Trouble LED Yellow LED lights when one or more trouble conditions occur.
Alarm Test LED A red LED that lights according to the main coded output.
On Line LED A green LED that blinks during communication with the master control panel.
Notification
Appliance Circuits
Power connections for NAC outputs.
Power Out Output for providing power to the next device in power chain.
Power In Provides main connection to power supply. (Use a power-limited power supply.)
9V Power
Connector
Input for 9-volt power for remote UZC-256 programming.
Power
Supervision
Connections for power supervision wiring.
Mode Select
Switch
Switch to toggle the UZC-256 between “Normal” and “Programming” mode.
EIA-232
Connection
Female DB-9 connector for programming from an IBM-compatible computer.
EIA-485
Connection
All connections are power-limited and supervised. See Figure 5-12 on page 5-13 for
terminal assignment.
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