MultiTech Systems MR4800 MultiModem Manager Controller Card 16-Port MGR

MultiTech Systems MR4800 MultiModem Manager Controller Card 16-Port MGR

The MultiTech Systems MR4800 is the central controller card for MultiTech's MultiModem Manager (MGR) chassis system. This card serves as the management and status hub for the rack-mounted multi-modem platform, providing centralized monitoring of up to 16 individual modem slots via front-panel LED indicators and a 7-segment numeric display. The faceplate is clearly labeled "MultiModem Manager" with the MultiTech Systems brand and "MR4800 Controller" designation.

Specifications & What's Included

• Brand: MultiTech Systems


• Model: MR4800


• Type: MultiModem Manager Controller Card


• Number of monitored modem ports: 16 (ports 1–16, individually indicated)


• Front panel: 7-segment numeric display + dual-row LED status indicators for all 16 ports


• Form factor: Long-format card/module with metal mounting bracket


• PCB: Green multi-layer board with mixed-IC population including DIP ICs and SMD components


• Card-edge connector for backplane installation in MultiModem Manager chassis


• Included: Controller card with front panel faceplate only — no chassis, no modem cards

Applications

The MultiTech MultiModem Manager system was a rack-based multi-modem platform popular in the late 1980s and early 1990s, designed for businesses and telecom environments that needed to consolidate many analog modem connections into a single managed chassis. The MR4800 controller card is the core intelligence of that system — it monitors modem status, provides visual diagnostics for each port, and ties together the chassis backplane. Typical deployments included bulletin board systems (BBS), early dial-up ISP infrastructure, corporate remote access servers, and call centers requiring centralized modem pool management. This card would be sought by operators maintaining legacy MultiModem Manager installations or by collectors of early 1990s networking hardware.

Condition: Used
This MultiTech Systems MR4800 MultiModem Manager Controller Card has been inspected and appears to be in good used condition. The PCB is clean with no visible damage, cracked traces, or missing components. The front faceplate is intact with legible LED port indicators (ports 1–16) and a 7-segment status display. Normal light wear consistent with prior rack installation. The unit was pulled from a working environment. Please view our photo set and contact us if you have any questions. Visit Our Store

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