LTC 8770 Series Relay Units
The LTC 8770 Series are relay units that are designed to
operate with devices that generate Allegiant biphase control
code. These devices include the Allegiant series of video
matrix switcher/controllers, System4 series of multiplexers,
LTC 5136 controller series, Phoneline Video Transmission
Systems, Code Merger Series Units, and various Data
Converter Series Units. The LTC 8770 receives biphase
control signals and opens or closes relays, depending upon
the desired operating mode.There are 24 individually
isolated relays in which to connect to various devices and
there are six functional operating modes and one user test
mode to aid installation.
Electrical
Model No. Rated Voltage Voltage Range Power
LTC 8770/50 230 VAC, 50/60 Hz 198 to 264 8 W
LTC 8770/60 230 VAC, 50/60 Hz 105 to 132 8 W
Indicators: Power and data transmission activity displayed
using LEDs. Device number or logical relay number
indicated by a 4-position thumbwheel switch located on the
rear panel.
Connectors:
Inputs: One 3-pin removable screw terminal connector,
located on the rear panel; communication port where
biphase commands are received.
Outputs: Four 12-pin removable screw terminal connectors
located on the rear panel; relay contact (0.5 A at 20
VAC/DC and a maximum resistive load of 10 VA) 36
peak volts from either pin of the relay to ground.
AC Input: 3-wire power cord with grounded plug; 1.8 m
(6 ft) long.
Mechanical
Construction/Finish: Steel chassis with sheet metal cover
and plastic bezel. Charcoal colored case.
Dimensions: 223 W x 280 D x 40 H mm (8.77 x 11 x
1.59 in).
Weight: 1.9 kg (4.3 lb).
Optional Rack Mount Kit: LTC 9101/00.
LTC 8712 Series
CONSOLE Port Expanders
The LTC 8712 Series "expands" an Allegiant system's
CONSOLE port to permit up to 4 external computing
devices to communicate with the system via RS-232
protocol. Any computing device which can normally
communicate directly with an Allegiant via its RS-232
CONSOLE port can be used with these port expanders.
The external devices can consist of PCs running the
Allegiant system's Master Control Software package, the
Philips Graphical User Interface (GUI), access control
systems, LTC 8552/00 RS-232 keyboards, or other devices
utilizing the Allegiant system's Command Console Language
(CCL).The LTC 8712 Series can be used with the
LTC 8100, LTC 8200, LTC 8300, LTC 8600, LTC 8800, or
LTC 8900 Series systems containing CPU software version
6.5 or higher.
Electrical
Model No. Rated Voltage Voltage Range Power
LTC 8712/60 120 VAC, 50/60 Hz 108 to 132 10 W
LTC 8712/50 230 VAC, 50/60 Hz 198 to 264 10 W
Indicators: Power and data transmission activity displayed
using LEDs.
Connectors:
Inputs: One 9-pin connector; provides RS-232 interface to
Allegiant bay. Two meter (6 ft) interconnect cable to
main bay supplied.
Outputs: Four 9-pin connectors for RS-232 interface to up
to four external devices.
AC Input: 3-wire power cord with grounded plug; 1.8 m
(6 ft) long.
Mechanical
Construction/Finish: Steel chassis with sheet metal cover
and plastic bezel. Charcoal colored case.
Dimensions: 223 W x 280 D x 40 H mm (8.77 x 11 x
1.59 in).
Weight: 1.9 kg (4.3 lb).
Optional Rack Mount Kit: LTC 9101/00.
LTC 8713 Series Alarm Port Expander
The LTC 8713 Series interfaces to either a LTC 8560, LTC
8600, LTC 8800, or LTC 8900 Series alarm port to permit
additional LTC 8540/00 Alarm Interface units to be
connected to the system. A single LTC 8713 series alarm
port expander supports up to four LTC 8540/00 alarm
interface units.This provides the capability for up to 256
alarm input points. Multiple LTC 8713 units may be
combined to provide up to 1024 alarm input points using up
to sixteen LTC 8540/00 units.The actual number of units
that can be used in a system depends upon the model of
the Allegiant system being used. System interconnect cable
is included. A separate 12 V AC or DC, 5 watt power
supply is required for each LTC 8540/00.
Alarm Capacities
Allegiant Maximum No. Maximum No. Maximum No.
Model No. of Alarms of LTC 8713 of LTC 8540/00
LTC 8500 128 1 2
LTC 8600 512 3 8
LTC 8800 1024 5 16
LTC 8900 1024 5 16
Electrical
Model No. Rated Voltage Voltage Range Power
LTC 8713/60 120 VAC, 50/60 Hz 108 to 132 10 W
LTC 8713/50 230 VAC, 50/60 Hz 198 to 264 10 W
Indicators: Power and data transmission activity displayed
using LEDs.
Connectors:
Inputs: One 9-pin connector; provides RS-232 interface to
main Allegiant bay. Two meter (6 ft) interconnect cable
to main bay supplied.
Outputs: Four non-powered 9-pin connectors for RS-232
interface to up to four expanded LTC 8540/00 units.
Data cables supplied with LTC 8540/00 are used to
connect alarm interfaces to port expander. A separate
12 V AC or DC, 5 watt power supply is required for
each LTC 8540/00.
AC Input: 3-wire power cord with grounded plug; 1.8 m
(6 ft) long.
Mechanical
Construction/Finish: Steel chassis with sheet metal cover
and plastic bezel. Charcoal colored case.
Dimensions: 223 W x 280 D x 40 H mm (8.77 x 11 x
1.59 in).
Weight: 1.9 kg (4.3 lb).
Optional Rack Mount Kit: LTC 9101/00.
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