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SHC-S2-00  |  009-1775-00  |  181204 

Copyright 2018 Savant Systems, LLC

45 Perseverance Way, Hyannis, MA 02601 

Savant.com

  |  508.683.2500

2     of     2

GPIO - General Purpose Input/Output

A two-piece wall mount bracket is included for installation to a wall or 

similar. Wall mount instructions are provided below.

Wall Bracket

Control Connections

RS-232 Wiring

IR Wiring (Infrared)

Relay Wiring

 

– Ensure the all IP emitters 

are within 15 feet (4.6 

meters) from the control-

lers location.

 

– Use of 3rd party flashing 

IR emitters with Talk 

Back is not recom-

mended. These types 

of emitters can draw 

voltage away from the IR 

signal that can degrade 

IR performance.

1

IR1

+

-

+

-

+

-

2

IR2

3

IR3

4 5 6

Use White Stripe 

for Positive (+)

Pin 1: IR1 - 

Pin 2: IR1 + 

Pin 3: IR1 - 

Pin 4: IR1 + 

Pin 5: IR1 - 

Pin 6: IR1 + 

 

– IR connections IR4 to IR6 (not shown in diagram) follow the 

same wiring as connections IR1 to IR3.

 

– GPIO’s configured as an 

output can be used to 

trigger an action within 

the system such as 

switching a device.

 

– GPIO configured as an 

input can detect a state 

change and trigger a 

workflow.

3

2

1

GPIO 1

Standard

GPIO Using

PD Jumper

Gnd

I/O PD

Pin 1: GND

Pin 2: GPIO 1 

Pin 3: PD (Pull-

down) 

 

– GPIO pins configured as an input are pulled high to (+12V) during 

the boot process. To force the GPIO signal low during a boot-up. 

Connect the PD pin to the GPIO pin. This forces the GPIO output 

to (< 0.8V) during the processor boot times.

 

– Both Normally Open 

and Normally Closed 

outputs are available.

3

2

1

NC

NO

C

/ /

Pin 1: NC

Pin 2: Common

Pin 3: NO

1.  Attach bracket that mounts to 

the bottom of the chassis using 

the included M3 x 6mm flat-

head screws.

Host Mount

(074-0584-xx)

2. Attach the wall bracket securely 

to the wall. If mounting to dry-

wall, a sturdy anchor such as a 

threaded drywall anchor should 

be used.

3. Position the Smart Host over 

the wall bracket and gently slide 

into place. See image to the 

right.

Wall Mount

(074-0585-xx)

The optional RCK-3000-xx provides a ventilated shelf for mounting up 

to two Smart Hosts. When rack mounting, the wall bracket must not 

be installed to allow for a flat, level installation.

Rack

The Smart Host can be installed on a solid, flat, level surface such as 

a table, cabinet, or shelf, or can be wall mounted using the included 2 

piece bracket. The location should be dry, well ventilated, and out of 

direct sunlight. When placing the Smart Host on a flat surface, do not 

install the wall bracket. The wall bracket will not allow the Host to lay 

flat. Mounting the Host is described below.

Chassis Installation

Refer to the following documents located on the 

Savant Customer 

Community

 for additional information.

 

– Savant Smart Host Deployment Guide.

Additional Information

Pin 1: ------

Pin 5: 

RXD (RS232)

Pin 1

Pin 8

RJ-45 Connector

(Gold Pins Facing Up)

Pin 2: ------

Pin 6: 

TXD (RS232)

Pin 3: ------

Pin 7: 

CTS (RS232)

Pin 4: 

GND (RS232)

Pin 8: 

RTS (RS232)

 

IMPORTANT!

 

 

– Wire colors are included to identify the pins used for this con-

nection. Colors shown do not represent any wiring standard.

 

– When wiring, DO NOT connect any wires within the cable that 

are not required for communications.

 

– Pins 7 & 8 are only required for CTS/RTS handshaking.

 

– CTS/RTS handshaking is supported for flow control based on the 

profile used in the Blueprint configuration.

 

– RS-422/485 is not supported

 

– Refer to the 

RS-232 Conversion to DB9 and RS-422/485 Pin-out 

Application Note

 on the 

Savant Customer Community

 for more 

information on RJ-45 to DB9 adapters offered by Savant.

Refreshing the IP Connection

Network Configuration

 

– Hot Plug the Ethernet (LAN) Connection

 

– Cycle power

After connecting to a new network, changing routers, or if the IP 

Address range in the router was changed, the IP connection should be 

refreshed. To refresh the IP connection, do one of the following:

To ensure the IP Address will not change due to a power outage, a 

static IP Address or DHCP reservation should be configured. Savant 

recommends using DHCP reservation within the router. By using this 

method, static IP Addresses for all devices can be managed from a 

single UI, avoiding the need to access devices individually.

Setting DHCP reservation varies from router to router. Refer to the 

documentation for the router to configure DHCP reservation.

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