Installation Installing Remote Printers and/or CRT
50 NFS-640 Installation Manual P/N 51332:B1 12/01/2003
3.9 Installing Remote Printers and/or CRT
3.9.1 Custom Cable Fabrication
A custom cable needs to be fabricated to connect the PRN-5 Printer, Keltron Printer or the CRT-2
Monitor to the system. Length of the cable will vary with each installation, but should not exceed a
maximum length of 50 feet (15.24 meters). Printer must be installed in the same room as panel.
Construct cable as follows:
1. Using overall foil/braided-shield twisted-pair cable, properly connect one end to the DB-25
Connector using the wiring specifications shown in the table below. (Custom cable kit P/N
90106 is provided.)
2. Tighten clamp on connector to secure cable.
3.9.2 Installing and Configuring the PRN-5 Printer
When connected to the Control Panel via an EIA-232 interface, the PRN-5 prints a copy of all
status changes within the control panel and time-stamps the printout with the time of day and date
the event occurred. It provides 80 columns of data on standard 9" by 11" tractor-feed paper.
Note: You can also use the EIA-232 printer interface with UL-listed I.T.E. equipment, such as
personal computers, to monitor the control panel for supplementary purposes.
This section contains information on connecting a printer to the control panel and for setting the
printer options.
Connecting a Remote PRN Printer
Remote printers require a 120 VAC, 50/60 Hz primary power source. If required for the fire alarm
system configuration (for example, a Proprietary Fire Alarm System), a remote printer requires 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. You
may use your building emergency power supply, so long as it meets the power continuity
requirements of NFPA 72. Refer to NFPA 72 for further details.
Connect the remote printer to the Control Panel as follows:
1. Connect the three (3) open leads of the custom cable to the TB14 terminal block on the control
panel as shown in Figure 30.
2. Plug the DB-25 connector end of the custom cable into the EIA-232 port of the remote printer.
Tighten securely.
DB-25 Connector
(Custom cable kit 90106) TB14 on Control Panel
Pin 3 TX
Pin 2 RX
Pin 7 REF
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