User Guide

e GC-100-12 and GC-100-18 Network Adapters
connect diverse and previously unconnected devices
and appliances in a network-based home, school or
business. Using many commonly needed controls and
sensor inputs in one box, the GC-100 provides an
easy way for controlling real-world devices, reducing
the time and complexity of an installation by
eliminating piggybacked components and multiple
power supplies. By simply sending commands
over the network, your audio/visual equipment
is turned to the proper volume by infrared (IR),
shades are lowered with relays, and your favorite
DVD is selected through serial communications;
and all started with the push of a button. As a
result of using open standards (for example, TCP/
IP), any networked device, such as your PC, can
send and retrieve GC-100 data. With the GC-100,
a variety of devices can be connected to control and
monitor the environment over a network or even the
Internet.
e GC-100 is designed to work with many of
the popular control software packages. ese
packages contain software drivers needed for the
proper operation of the GC-100, as well as, an easy-
to-use interface for conguring your automated
environment. It is required that such a package be
employed when using the GC-100 product family.
Getting started is simple. All it requires is connecting
power, conguring the unit, and attaching cables.
is guide provides a step-by-step method to get you
up and running quickly and easily with a discussion
of each connector’s pin out, web page conguration,
and specication.
voltage is ±24V, with an “on” indication for voltages
greater than 2.5V and “o” when less than 0.8V with an
input impedance of ~100KΩ.
When selected, IR commands can be transmitted
without their carrier frequency, as waveform envelopes.
is is used for direct audio/video inputs, such as
Control-S, or for modulating RF signals.
When congured as GC-BL2 Blaster mode, the
connector is to be used with a GC-BL2 IR Blaster. is
mode does not support IR blasters provided by other
manufacturers.
Sensor Notications are used to automatically signal
changes in sensor state. Any connector congured as an
input with auto-notify will send notications. e state
of a sensor can also be polled at any time.
Relays are used for switching devices on and o. e
contacts are “normally open” and rated for 500mA at 24V
(DC or AC). e mating connectors use screw terminals
to attach wiring. Relay contacts are non-directional, and
wires may be connected in any order.
Relay contacts are protected against transients greater
than 150 volts caused by switching inductive loads, such
as motor and relays. e transient voltage suppressor
(TVS) eliminates contact arching by clipping positive
and negative voltage spikes that exceed 150 volts.
Global Caché, Inc. - 160 East California Street - PO Box 1659
Jacksonville, Oregon 97530 - Phone [phone]
Fax [phone] - www.globalcache.com
Support: [e-mail]
Copyright ©2008 Global Caché, Inc. All rights reserved.
PN: 030127-02 ver.13/Information subject to change without notice.
e serial device attaching to the GC-100 will likely
employ a 9 or 25 pin DB connector. Following is the
standard wiring conguration for a serial cable. It is
not guaranteed that the standard has been followed,
but it is a good starting place. For example, when
connecting the GC-100 male serial connector to A/V
equipment that also uses a male DB9 connector pins
2 and 3 would need to crossover. Pin 2 on the GC-
100 would connect to pin 3 on the A/V device.
GC-100
DB9 DB9 DB9 DB25 DB25
male male female male female
Data
RxD 2 3 2 3 2
TxD 3 2 3 2 3
Gnd 5 5 5 7 7
Data Flow Control
RTS 7 8 7 5 4
CTS 8 7 8 4 5
Modem Controls
DTR 4 6 4 6 20
DSR 6 ignored by the GC-100
IR output and sensor input share a common
connector and indicator on the GC-100. Each 3.5mm
audio connector is independently congured using
the internal web pages or the GC-100 Discovery &
Conguration Utility available for download from
www.globalcache.com. Each connector has three
contacts congured as either an infrared (IR) output,
Control-S output (IR/no carrier), GC-BL2 IR Blaster
output, or sensor input, as shown below.
When congured as an output the indicator will blink
as an IR command is transmitted. When functioning
as a sensor, the indicator is “on” when a positive input
or no connection is present. e maximum sensor
input
Global Caché
GC-100-12/18
Network Adapter
Quick Start Guide
This device complies with Part 15 of FCC rules and with ICES-
003 of Industry Canada. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including
interference that may cause undesired operation.