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Installing Remote Printers and CRTs
2-36 Unimode 400 Installation PN 50710:A 10/22/97
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Remote printers require a 120 VAC, 50/60 Hz primary power source and a secondary
power source (battery backup). Because a secondary power source is not provided, use
a separate Uninterruptable Power Supply (UPS) that is UL-listed for Fire Protective
Signaling. Install the remote printer to the control panel as follows:
1. Make a custom cable for connecting the printer EIA-232 port to CPU-400 TB1
(Printer) using the wiring specifications shown in Figure 2-49:
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2. Connect the cable between the CPU and the PRN-4 through an EIA-232 interface
as shown in Figure 2-50:
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PRN (EIA-232) PRN (EIA-232) CPU (TB1)
TX (Pin 3) TB1-1
RX (Pin 2) TB1-2
REF (Pin 7) TB1-3
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