P
Po
ow
we
err C
Co
on
nn
ne
ecctto
orr
Accepts an AC voltage input range of 100-240VAC, 50/60Hz, 15W, without manual
switching.
FFU
ULLLL--T
TIIM
ME
E
Used to connect a four-wire modem (using the cable supplied with the modem).
D
DIIR
RE
EC
CT
T
Used to directly connect a PC to the VRC2500, using the supplied null modem
cable. Also for loading I/O firmware.
M
Me
ette
erriin
ng
g
Monitors analog DC voltages.
S
Stta
attu
uss
Monitors high or low status inputs or contact closures.
C
Co
om
mm
ma
an
nd
d 1
1--8
8
Solid-state open collector outputs for channels 1-8, definable as momentary or
latching.
C
Co
om
mm
ma
an
nd
d 9
9--1
16
6
Solid-state open collector outputs for channels 9-16, definable as momentary or
latching.
S
Se
ett//M
Mo
od
de
em
m
Standard RJ-11 telephone connector for a dial-up modem or a standard touch-tone
phone. Do not connect the phone line to this connection.
LLiin
ne
e
Standard RJ-11 telephone connector to connect the VRC2500 to your phone line.
A
Au
ud
diio
o IIn
n,, A
Au
ud
diio
o O
Ou
utt
1/8” mono audio connectors to send telephone audio out to another device (Audio
Out) or send audio from a connected source to the telephone line (Audio In). See
Chapter 11 for more on using the Audio In / Out functions.
D
DIIA
ALL--U
UP
P
Connects a dial-up modem (using a standard DB9 to DB25 serial cable) and is used
for uploading voice firmware.
GSC3000 I/O Unit
The I/O unit provides the input and output channels used to physically control your site. To activate those
channels, the unit contains nonvolatile onboard memory and a microprocessor. This means that once you save
all your configuration data to the I/O – limits, alarms, actions, macros, etc. – the unit can operate without a
dedicated computer connection.
GSC3000 & VRC2500 INSTALLATION & OPERATION MANUAL
CHAPTER 1: INTRODUCTION
10
Summary of Contents for GSC3000
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