--- type: product schema_version: 1 stock_number: "95403-21" canonical_url: "https://www.artisantg.com/95403-21/Ascom-77-953-0300" json_url: "https://www.artisantg.com/95403-21/Ascom-77-953-0300.json" generated_at: "2026-11-07T04:46:43.290Z" last_updated: "2026-10-16T05:35:40.850-05:00" --- # Ascom 77-953-0300 Power Supply _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: Ascom - Model: 77-953-0300 - Condition: Used and in Excellent Condition - Price: $275.00 USD - Availability: In stock, 7 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 6 lb, estimated - Shipping dimensions: 14X14X6 in, estimated ## Categories - Test Equipment > Electrical Test > Power Supplies (primary) ## Details This unit is also known as Delta Electronics 77-953-0300 Power Supply. Part Number: 77-953-0300 Rohde & Schwarz Part Number: 1043.9941.02 ## Overview Electric power supply unit designed to provide regulated DC voltage output from AC mains input for telecommunications and electronic systems. Features switching or linear regulation topology with overcurrent protection, thermal shutdown, and voltage regulation circuitry. Connects via standard AC input cord to mains power and outputs through terminal blocks or connector interfaces. Designed for rack mounting or panel installation in controlled environments. Interfaces with communication equipment, control systems, and electronic devices requiring stable DC power. Applications include telephone systems, data communication networks, industrial automation equipment, and electronic control panels where reliable regulated power conversion is essential. ## Function Provides regulated DC power output for telecommunications equipment, converting AC input to stable low-voltage DC rails. Features multiple isolated output channels with overcurrent protection, thermal management, and fault monitoring capabilities. Supports hot-swappable operation in redundant configurations, communicates status via I2C/SMBus interface for remote monitoring. Designed for 19-inch rack mounting in telecom environments, interfaces with backplane power distribution systems. Commonly powers VoIP systems, wireless access points, network switches, and communication servers in enterprise and carrier-grade installations. ## Platform Designed to convert and regulate electrical voltage for common electronic applications, compatible with various electronic devices and systems, typically interfacing through standard AC/DC connectors. ## Application Provides regulated DC power for Ascom wireless communication infrastructure including DECT base stations, IP-DECT systems, and healthcare communication platforms. Delivers stable voltage output for continuous operation of nurse call systems, mobile device management servers, and unified communications equipment in hospital, industrial, and enterprise environments. Supports redundant power configurations for mission-critical messaging and alarm management systems. Enables reliable power distribution to access points, repeaters, and system controllers within distributed wireless networks. Facilitates uninterrupted operation of real-time location services, patient monitoring interfaces, and emergency notification systems through consistent power delivery to network components. ## Accessories Required accessories include AC power cord with IEC C13 connector for mains input connection. DC output via 4-pin Molex connector providing +5V, +12V, -12V, and ground. Features 20-pin ATX motherboard connector for system board interface. Includes auxiliary 4-pin CPU power connector. Front panel connections via 2x5 pin header for power switch, power LED, HDD LED, and reset switch. SATA power connectors (15-pin) for drive connections. Cooling provided by internal 80mm fan with 3-pin connector. Overvoltage and overcurrent protection circuits integrated. Requires proper ventilation clearance of 10cm minimum. Compatible with ATX form factor chassis mounting using four M3 screws. ## Interface AC input: IEC 60320 C14; DC output: 6-pin Molex Mini-Fit Jr. ## Images - - - -