Description
Product Introduction & Engineering Value
When a main power supply rail degrades, an entire subrack of critical communication and process cards goes dark instantly. The Alcatel CF2P power supply module restores steady-state power delivery across high-density backplane architectures without triggering false thermal shutdown trips.
Engineered with low ripple rejection and integrated circuit protection, this card conditions incoming wide-range DC/AC power into clean logic-level voltages. System integrators rely on its precise voltage regulation to prevent erratic memory faults and communication dropped packets across legacy industrial racks.
Technical Specifications
- Input Voltage Range: 36 V DC to 72 V DC (Nominal 48 V DC) / 100–240 V AC System Config
- Max Continuous Power: 150 Watts total system output
- Output Voltage Rails: Regulated +5 V DC, +12 V DC, and -48 V DC system backplane buses
- Protection Circuitry: Active over-voltage, over-current, and internal thermal shutdown protection
- Form Factor: Eurocard / Subrack backplane slot insertion with front-panel extraction handles
- Diagnostic Display: Front-panel LEDs for POWER OK (Green) and FAULT (Red) status
- Operating Temperature: −5°C to +55°C (+23°F to +131°F) ambient cabinet temperature
- Cooling Requirement: Convection airflow with standard rack ventilation clearance
- Mounting Mechanism: Dual captive retaining screws with card guide alignment
CF2P
CF2P
Field Application & The “Trench” Experience
A municipal water treatment facility suffered an unexpected telemetry drop when the secondary power board in an Alcatel communications rack failed during a summer heatwave. Without active remote monitoring on the filtration headers, operators faced a manual plant shutdown. OEM lead times for a complete rack retrofit were quoted at three weeks. The duty engineer pulled a verified surplus Alcatel CF2P module from storage, swapped it into the subrack slot, and had the communication node back online with clean DC rails in under 20 minutes.
Specific Niche Application Scenarios:
- Substation Remote Telemetry Racks: Delivering continuous -48 V DC power to field-gateway modems and serial bridges.
- Refinery Alarm Annunciator Systems: Supplying clean +5 V DC power logic to high-density multi-channel alarm racks.
- Pipeline Pump Station Controllers: Maintaining isolated DC power rails across harsh, electrically noisy environments.
Transparency SOP: QA & Testing
- Passive Component Inspection: High-magnification check of electrolytic capacitors, power choke coils, and edge connectors for thermal stress, swelling, or trace corrosion.
- Cold Power-Rail Resistance Testing: Ohmmeter verification across all output lines (+5V, +12V, -48V) to ensure no internal short circuits exist prior to applying line voltage.
- Dynamic Burn-In Load Testing: Full-load test on an electronic load bank for 24 continuous hours, measuring ripple voltage and thermal stability under rated load.
- Protection Trip Circuit Calibration: Verification of over-current and over-voltage shutoff limits to ensure immediate tripping during simulated downstream fault conditions.
- Backplane Connector Integrity Audit: Physical testing of card insertion guide rails and pin contact tension to guarantee low-resistance electrical connections.
The Veteran’s Tech Trap Guide
⚠️ PRO TIP: Match all DIP switch and jumper configurations on the replacement board before sliding it into the rack. Hardware jumpers often dictate system grounding references or primary/secondary node addressing on the backplane.
Warning: Do NOT hot-swap this power supply card while the rack subrack is energized unless explicitly supported by your specific backplane revision. Inserting a PSU into a live bus without dedicated soft-start logic can cause arc bridging across gold edge pins, damaging both the supply and adjacent controller modules.
Dynamic FAQ
- Is this Alcatel CF2P unit brand new or refurbished?
This unit is sourced as New Surplus stock—it has never been commissioned in an operational plant environment or subjected to thermal wear.
- What warranty covers this Alcatel power supply?
Every CF2P module comes standard with a 12-month functional replacement warranty covering component failure and power rail instability.
- Can I hot-swap the CF2P module while the rack is under load?
No. Always de-energize the incoming supply or shut down the subrack branch before inserting or extracting the card to prevent voltage transients.
- Does this module require external firmware or software programming?
No, the CF2P is a hardware power delivery unit. It operates autonomously once power is applied and jumpers are set.
- How can I verify if my front panel diagnostic LEDs indicate a healthy unit?
Upon power-up, the green POWER OK LED should illuminate solid, while the red FAULT LED must remain dark. A solid red LED indicates an output rail short or thermal trip.
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