Overview
The Vertical DTIB24C 4532-24 is a 24-port digital station interface board designed for enterprise telephone switching systems. This MBX-IP digital station card adds 24 digital telephone ports to Vertical Communications MBX-IP and Summit-IP telephone systems, enabling connection of digital phones and extensions across large office installations.
Key Features
- 24-port digital station card with RJ21 25-pair connector
- Supports Edge 700, SBX Edge 4000, and legacy Vodavi phones (TR9000, IN9000, 3500 and 3000 Series) on MBX-IP
- Supports Edge 9200 and Edge 9000 Series phones on Summit-IP 800
- Blue LED port status indicators for real-time monitoring
- Compatible with LDP protocol telephones
- DTIB can be installed on any universal slot except the MPB slot of the first KSU
Technical Specifications
- Model: DTIB24C / 4532-24
- Port Count: 24 digital station ports
- Connector Type: RJ21 25-pair Champ-style
- Connection Method: RJ21 cable to digital telephone terminals
- LED Indicators: Port status (blue)
- Protocol: LDP (Vertical proprietary)
- Installation: Universal slot mounting (excludes first MPB slot)
Typical Applications
- Enterprise office telephone systems requiring 24 digital phone extensions
- Corporate PBX/telephone switch expansion and upgrades
- Mixed-platform deployments (Edge 700/9000/9200 phones)
- Legacy Vodavi system migration to Vertical MBX-IP or Summit-IP
- Replacement of failed or end-of-life digital station cards
Compatibility & Replacements
Compatible With
- Vertical Communications Summit-IP 800 Systems
- Vertical Communications MBX-IP Systems (MBX-IP 100, MBX-IP 300)
- Vertical Communications Summit-IP 800 BKSU 6-Slot Base Cabinet (VS-5500-01)
- Vertical Communications MBX-IP BKSU 6-Slot Base Cabinet (4500-01)
- Vertical Communications MBX-IP EKSU 6-Slot Expansion Cabinet (4500-01)
Replaces / Drop-In Replacement For
- Summit-IP 800 DTIB24 (VS-5532-24)
- Original Vertical MBX-IP DTIB24C modules in failed systems
- Legacy Comdial and Vodavi DTIB equivalents (verify with system integrator)
Works With
- Edge 700 Series Digital Telephones
- Edge 4000 Series Digital Telephones
- Edge 9000 and Edge 9200 Series Phones
- Legacy Vodavi phones (TR9000, IN9000, 3500, 3000 Series)
- RJ21 digital telephone stations and extensions
