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Harris Corporation 1-1
Intraplex Products
Section 1 – Introduction
The Intraplex ACS-160 and STL-160 Series multiplexers are digital time division multiplexers designed
to transport multiple voice, data, high fidelity program audio, and other types of payload channels
within a standard 1.544 Mbps T1 circuit. The ACS-160 Series and the STL-160 Series multiplexers are
identical except for the removable front face plate. The ACS-160 Series face plate is solid and labeled
“Intraplex Access Server,” while the STL-160 Series has a plexiglass panel labeled “Intraplex STL HD.”
All references in this manual to the ACS-160 Series are equally applicable to the STL-160 Series, with
one exception: the ACS-160 Series multiplexers are available in both 3RU and 1RU versions, while the
STL-160 Series are available in 3RU versions only.
ACS-160 and STL-160 Series multiplexers are available in terminal, dual terminal, and drop/insert
configurations, to support point-to-point, point-to-multipoint, and other network topologies. Key ACS-
160 Series features include
● Proprietary robust framing algorithm optimized to maintain operation in poor transmission
environments
● Versatile system timing options to facilitate connection to almost any network
● Reliability, small size, low power consumption, and configuration flexibility
● Compliance with ANSI SF (D4) and ESF T1 frame formats
● Support for both B8ZS and AMI T1 line codes
● Byte-formatted time-division multiplexing for compatibility with local exchange and inter-exchange
carrier digital cross connect switches (DCS)
● Convenient built-in diagnostic capability
● Remote access for control and status monitoring
● Integrated channel service unit (CSU) compliant with ANSI T1.403 and AT&T TR54016 (MA-235)
● Reporting of near and far end line performance statistics
● Integrated digital time delay option
● Optional redundant power supply capability for 3RU systems
● Optional T1 line and common module redundancy
● A wide variety of channel modules, including
• Wideband data
• Synchronous and asynchronous data
• Voice
• High fidelity program audio
The Intraplex STL HD product packages consist of a pair of STL-160 Series multiplexers equipped with
one or more sets of program audio transport modules and optionally one or more sets of voice and
data modules.
1.1 Manual Scope
This manual is the primary reference covering the configuration, installation, operation, and
troubleshooting of Intraplex ACS-160 Series and STL-160 Series T1 Multiplexers. If you have any
questions on the operation of your Intraplex system and cannot find the answers in this manual,
please contact Harris Customer Service:
● U.S., Canada, and Latin America: +1-217-222-8200 or
tsupport@harris.com
● Europe, Middle East, and Africa: +44-118-964-8100 or Service.europe@harris.com
● Asia and Pacific Rim: +852-2776-0628 or
BCDService@harris.com
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