- HX-72 AUTO TELEPHONE EXCHANGER PCB CARD
Description
The HX-72 is an automatic telephone exchange system manufactured by Hanshin Electronics.The system is built around a microprocessor-based control (an IAPX8088 CPU) for switching
and system logic.In the system configuration are multiple cards/boards (PCB cards) such as: main processing card (A2MPUA), main auxiliary card (A2MAUA),
trunk card (A2TKUA), subscriber line card (A2SLUA), hybrid card (A2HYUA), terminal board (HX-720P-031), etc.The HX-72 system
specification shows: maximum internal subscriber lines up to 70, external
lines (trunks) standard 4 lines (with extension options).
Feature And Application of HX-72
| Feature |
Application |
|
Based on the system’s specification and what the PCB cards support, key features include:
-
Microprocessor (IAPX8088) control: Allows stored program control, flexible logic, diagnostics.
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Space‐division matrix switching: The system supports switching via space-division matrix—not just time-division—giving it reliable switching architecture.
-
Pulse/Tone conversion: The system supports both pulse dialing and tone dialing, and can convert between them.
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Automatic power changeover: The system can automatically switch between main power and emergency power sources (AC110/220 V, DC24 V) to maintain functionality.
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Alarm / fault display: Cards/boards detect faults (off-hook lines, power, fuses, etc) and provide diagnostics (LCD display for off-hook, fault indicators).
|
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Marine & shipboard telecommunication systems: The HX-72 is especially designed for vessels and marine environments (hence the rugged build). It is used for internal telephone exchanges, communications between cabins, engine room, bridge, etc.
-
Automatic telephone exchange in commercial buildings: Although specification mentions marine use, the underlying features (automated switching, trunk lines, extension lines) can be applied in any setting needing an internal PABX-type telephone switching.
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Industrial environments with harsh conditions: Because the system can cope with vibration, moisture, corrosive environment and voltage fluctuations, it is suitable for industrial plants, offshore platforms, etc.
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Why Buy From MOORE?
| ★ 1 Year Warranty on most products |
| ★ Fast and convenient shipping |
| ★ Large inventory of over 20,000 items |
| ★ Great low prices on all conditions |
| ★ Extensive quality control and testing |
Inquiry now: miya@mvme.cn
Company Profile
MOORE specializes in sourcing and selling discontinued products. If you need assistance, we can
also help you find and purchase used items. Our team of experienced experts offers automation
solutions and technical support across various fields, including PLC, DCS, vibration monitoring
systems, steam turbine control systems, and gas generators. We guarantee factory-original products,
high quality, competitive pricing, and a large inventory.
As one of the largest distributors of automation control system modules and spare parts in China,
MOORE Automation Co., Ltd. is committed to partnering with you to secure orders. For our first
collaboration, we offer our best possible pricing. I am dedicated to helping
you win the order and will do everything I can to support you.
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Contact US
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