Overview
The Telco Systems 6690-00 ISS 2 is a compact 48VDC power supply module engineered for legacy telecom and networking applications. This unit converts 115VAC input to regulated 48VDC output, making it ideal for powering Telco Systems network chassis, ringing generators, and related equipment. The 6690-00 is a mature, field-proven design used in carrier-class telecom deployments.
Key Features
- 48VDC regulated output with 2.5A capacity (120W continuous delivery)
- Standard 115VAC, 50/60Hz input compatibility
- Compact board-level form factor for integration into standard 19″ telecom chassis
- Designed for mission-critical telecom environments with proven reliability
- Available in multiple revisions (ISS 2, ISS 3) to match existing deployments
Technical Specifications
- Input Voltage: 115VAC, ±10%
- Input Frequency: 50/60Hz
- Output Voltage: 48VDC (regulated)
- Output Current: 2.5A maximum
- Output Power: 120W continuous
- Form Factor: PCB module / card
- Connector Type: Terminal block (power input/output)
- Operating Temperature: 0°C to +50°C
- Product Series: Telco Systems ISS 2 / ISS 3 Generation
Typical Applications
- Power supply for Telco Systems 3100/6000 series network platforms
- DC power source for ringing generators and signaling modules
- Telecom central office and remote terminal power distribution
- Legacy T1/E1 network equipment support
- Equipment refresh and replacement in existing telecom installations
Compatibility & Replacements
Compatible With
- Telco Systems 3100-40 ISS 2 network unit chassis
- Telco Systems 6000-series telecom platforms
- Telco Systems ringing generators and signaling cards
- 19″ standard telecom equipment racks
- Standard -48VDC telecom power distribution systems
Replaces / Drop-In Replacement For
- Telco Systems 6690-00 ISS 2 (exact replacement)
- Field-swappable with Telco Systems 6690-00 ISS 3 (verify voltage/current requirements)
- Compatible with systems originally equipped with the 6690-00 series
Works With
- Telco Systems network management platforms
- Standard -48VDC telecom power buses
- Legacy T1/E1 network termination equipment
- Distributed telecom power systems (DTPS)
