1-85
Installation 15088: K 3/21/01
EIA-485 Reference
Earth Ground
EIA-485 (+)
EIA-485 (-)
EIA-485 (+)
EIA-485 (-)
EIA-232 Reference
Transmit to Printer
EIA-232 Reference
Receive from Printer
EIA-232 Reference
Transmit to AUX Printer
EIA-232 Reference
Ready/Busy from Keltron Printer
EIA-232 Reference
Transmit to CRT
EIA-232 Reference
Receive from CRT
EIA-232 Reference
Transmit to AUX Monitor
EIA-232 Reference
CTS from AUX Monitor
Figure 5.1-4 SIB-NET/SIB-2048A Terminal Designations
P3 Connections
Terminals 1-4: Provide wiring for one PRN printer to
this unsupervised circuit.
Terminals 5-8: Provide connection to the Keltron
VS4095/5 printer or any UL EDP-listed printer. Connec-
tion is not supervised. EDP listed printers serve in an
ancillary capacity only.
Terminals 9-12: Provide connection for 1–25 CRTs to
this supervised circuit.
Terminals 13-16: Provide connection to UL EDP-listed
display monitors. Devices are not supervised and serve in
an ancillary capacity only.
To ICA-4L
Installing an Ancillary Device on the EIA-232 Communications Circuit
An ITE listed supplemental signaling device such as a printer or the PageNet-1 can be connected to the EIA-
232 serial printer port connection on the fire alarm system to provide a supplemental signaling capability.
Additionally, sme devices such as PageNet-1 can be actuated by means of dry contacts from the fire alarm
system. For more detailed instructions pertaiing to the installation of an ancillary device, refer to the specific
device manual.
P3 on the
AM2020/
AFP1010