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7.2. Equipment Functions
• AI-900MF Main Frame
The AI-900MF accommodates the following cards: Up to 2 AI-900MS or AI-900AL Cards (both cards may be
mixed), up to 4 AI-900RS Cards, 1 AI-900CO Card, 1 AI-900AF Card, and 1 AI-900TI Card.
The Main Frame has 2 RS-232C ports; one for programming and the other for operation log output.
• AI-900MS Master Station Interface Card
The AI-900MS is used for master station connection. Up to 2 master stations can be connected per card,
and an external recording device can be connected to each line.
• AI-900AL Telephone Interface Card
The AI-900AL is used for connecting telephone sets (in compliance with the FCC Regulation Part 68). Up to
2 telephones can be connected per card, and an external recording device can be connected to each line.
• AI-900RS Substation Interface Card
The AI-900RS is used for substation connection. Up to 16 substations can be connected per card. The
Substation Interface Card has 2 speech links, one of which also functions as a paging link with the paging
input/output connected to an external amplifier.
• AI-900CO Outside Line Interface Card
The AI-900CO is used for outside line connection. Up to 2 outside lines can be connected per card, and an
external recording device can be connected to each line.
• AI-900AF Audio Function Card
The AI-900AF enables Conference, External Amplifier Paging, and External Source Distribution functions.
The Audio Function Card has 1 conference link (maximum 4 stations), 1 voice output and 16 control outputs
for external amplifier paging, and 1 voice input and 4 control inputs for external source distribution.
• AI-900TI Tie-Line Interface Card
The AI-900TI is used to interconnect multiple exchanges. The Tie-Line Interface Card can connect up to 4
links made up by 1 pair of data lines and 2 pairs of voice lines.
• AI-PU200 Power Transformer Unit
The wall-mountable AI-PU200 has 2 20V/2.5A AC outputs. One AI-PU200 unit is required when up to 2
AI-900RS Cards are installed, and 2 AI-PU200 units are required when 3 or more AI-900RS Cards are
installed.
• AI-YC303 Main Frame Wall Mounting Bracket
The AI-YC303 is used when mounting the main frame on the wall.
• AI-PN100B Rack Mount Panel
The AI-PN100B provides side-by-side rack mounting capability for up to 2 AI-PU200 transformer units.
• AI-MS900 Master Station
The AI-MS900 can make calls to or receive calls from the substation. It utilizes 2 pairs of twisted cables.
• AI-RS150 Substation (Indoor Type)
The AI-RS150 can call and converse with the registered master stations. It utilizes a single-pair shielded
cable.
• AI-RS160 Substation (Indoor Vandal-Resistant Type)
The AI-RS160 can call and converse with the registered master stations. It utilizes a single-pair shielded
cable.
• AI-RS170 Substation (Outdoor Vandal-Resistant Type)
The AI-RS170 can call and make converse with the registered master stations. It utilizes a single-pair
shielded cable.
• AI-RS180 Substation (for Emergency Use)
The AI-RS180 can call and converse with the registered master stations. It has a indicator lamp and a
control output channel, and utilizes a single-pair shielded cable.