Savant S2/2000 Deployment Guide Copyright © 2019 Savant Systems, LLC
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4.4. Control Connections
The Savant Host control connections send data to control a device and receive data to display current status on the user interfaces or trigger a
system action. Each port type may support multiple protocols that are determined by the logical connection within Blueprint.
TIPS:
– Savant recommends that installers plan all control connections and protocols to be used on site prior to any physical configuration or cable
construction. This helps to ensure that devices respond eectively to control commands and are not damaged by incorrect cable configuration.
– When installing wire in screw down terminals, strip a 1/4 inch of insulation from each wire and twist the strands together. This will allow for the
exposed wire to be inserted into the terminal up to the insulation, eliminating stray strands that may cause shorting.
RS-232 Wiring
Pinout
RJ-45 Connector
(Gold pins facing up)
Pin 1 Pin 8
Pin 1: No Connection
NOTES:
– CTS/RTS handshaking is supported for flow control based on the profile used in
the configuration.
– Wire coloring is included to identify the pins used for this connection. Colors
shown do not represent any wiring standard.
– The SHR-S2/2000 Hosts does not support RS-422/485.
Pin 2: No Connection
Pin 3: No Connection
Pin 4: GND (Ground)
Pin 5: RXD (Receive)
Pin 6: TXD (Transmit)
Pin 7: CTS (Flow Control)
Pin 8: RTS (Flow Control)
IMPORTANT! When wiring to this port, DO NOT connect any wires within the cable that are not required for communication.
RJ-45 to DB9 Serial Control Adapters
Refer to the RS-232 Conversion to DB-9 and RS-422/485 Pinout Reference Guide located on the Savant Customer Community for more information
on RJ-45 to DB9 adapters.
IMPORTANT! When using RJ-45 to DB9 adapters not supplied by Savant:
– Ensure that any wires required for communication/control are terminated within the adapter.
– Ensure that all wires NOT required for communication/control are NOT terminated in the connector.
– Ensure that the unused wires in the connector are cut to prevent them from shorting out, as they are still terminated in the RJ-45 connector on
the controller side.
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