BE110267 NEC NEC SL1100 PBX Module

The NEC BE110267 is the main cabinet Key Service Unit (KSU) for the NEC SL1100 business telephone system. Designated as the IP4EU-1228M-B, this is the primary chassis that houses the system’s core processing and expansion capabilities. This particular unit is supplied without the Compact Flash memory card (w/o C), which must be obtained separately for system operation.

The SL1100 main cabinet serves as the foundation for small to medium business telephony deployments, providing slots for expansion cards that add trunk lines, extensions, and feature capabilities. It supports both traditional and IP telephony configurations, making it suitable for businesses transitioning to unified communications.

The NEC SL1100 series is a legacy PBX platform that has been superseded by newer NEC communication systems. However, it remains in active service at many installations, and replacement or expansion hardware continues to be sought for maintaining existing deployments.

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