891004 NEC NEC Aspire IP1 PBX Expansion Card

891004 NEC NEC Aspire IP1 PBX Expansion Card Image 1

NEC 891004 8-port CO line interface unit for Aspire IP1 telephone system.

The NEC 891004 (IP1-E-8COIU-LS1) is an 8-port Central Office (CO) line interface unit designed for the NEC Aspire IP1 business telephone system. This card provides analogue trunk connections, enabling the PBX to interface with traditional PSTN lines for inbound and outbound voice communications.

The 8COIU module is installed within the Aspire IP1 chassis to expand the system’s trunk capacity. It is particularly useful for small to medium-sized business deployments that require multiple analogue line connections for external calling, fax services, or alarm systems that depend on POTS connectivity.

The NEC Aspire IP1 platform is a legacy unified communications system that has been discontinued. However, many installations remain operational in the field, and replacement cards such as the 891004 are essential for maintaining and expanding these existing deployments.

Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

From the same manufacturer

Key Features8-port CO line interface; Analogue trunk connectivity; Chassis-mounted expansion card; Loop start signalling
ApplicationsSMB telephone system trunk expansion; PSTN line integration; Fax and alarm line connectivity
CompatibilityNEC Aspire IP1 chassis; NEC Aspire IP1 main processor units
Specifications8 CO line ports; Loop start (LS) interface; Form factor for Aspire IP1 slot
PlatformNEC Aspire IP1
ManufacturerNEC

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