Specifications

General Information Guide
48
Bay Peripheral Cards
The Peripheral interface cards connect peripheral devices (such as SUPERSET™ phones) to
the system. They are located in slots 1 through 8 and include the
• Digital Line Card
• On-Premise (ONS) Line Card
• Off-Premise (OPS) Line Card
Each ONS port requires an ONS licence on MCD.
Digital Network Interface Line Card (North America Only)
The Digital Network Interface (DNI) line card provides an interface from the system to Mitel
SUPERSET phones.
ONS/CLASS Line Card (North America Only)
The ONS (On-Premise)/CLASS (Custom Local Area Signaling Service) line card has 12 circuits
that connect up to 12 standard phones. It also supports modems and fax machines. These
cards install in any peripheral interface card slot and are hot-swappable.
OPS Line Card (North America Only)
The OPS Line Card contains six off-premises line circuits. An Off-Premises (OPS) line circuit
is used where the line goes outside the building that houses the PBX and the line may be
exposed to extraneous high voltages or induced currents.