SECTION 2. GENERAL DESCRIPTION
2.1 INTRODUCTION
The ARIA-130 Digital Key Telephone System is a fully digital hybrid Key Telephone System, designed to
meet the telecommunication needs of medium sized business offices.
The ARIA-130 System incorporates state of the art digital technology for command processing and voice
switching, utilizing a Pulse Code Modulation/Time Division Multiplexing (PCM/TDM, “A” law or “u” law)
distributed switching matrix.
The ARIA-130 achieves a high level of flexibility by 1) employing a Universal Card Slot architecture with
the 1’st and the 2’nd cabinet to house plug-in Printed Circuit Boards, and 2) providing support for different
types of instrumentation.
The KSU of ARIA-130 is a wall-mounted cabinet that houses the MB(Mother Board) and card slots for the
CO line/Key Station/SLT/ISDN/LAN interface boards, and other useful boards. There are two-story KSU
in the system. The first KSU is basic KSU. On the other hand, the second one is the expansion KSU.
MPB should be installed in the fixed MPB slot in the first KSU. There is a built-in PSU that is installed in
the fixed PSU position in two KSU.
The system architecture has been designed to allow a high level of software control over the system's
hardware. The software incorporates a vast array of features and capabilities including PC Database
Administration, Auto Route Select, ACD, etc.
The ARIA-130 system supports a combination of Digital Keysets (KD, KD/E, KD/S, KD/C, LKD series),
various kinds of ISDN terminals, and wireless terminals as well as analogue single line devices. With the
keysets, commonly used features are activated by direct button selection. Additionally, many functions
may be accessed by dialing specific codes or optionally, by assigning these dial codes to Flexible Buttons
on the keyset. In addition to key telephones, an array of optional terminals is available including DSS/DLS
Console, Intercom/Door Box.
With the flexibility of the ARIA-130 extensive feature content, and the capability to use an array of
instruments, the ARIA-130 can be tailored to meet the short and long term needs of the most demanding
customer requirements.