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Compact black AC adapter with barrel connector and wall plug

Ruth's sister

Ruth's sister internal power cable 48V 0.38A

SKU CH-AH0S-QWP6K

Delivers 48 V at 0.38 A to power compatible Cisco IP phones

  • Powers Cisco IP phones with 48V 0.38A output
  • Compatible with 7960, 7940, 7912G and CP-7911G models
  • Replaces part numbers 34-1977-05 and EADP-18FB B
  • Delivers 18W for reliable desk phone operation

Compatible IP Phone Power Adapter

This AC adapter supplies 48V at 0.38A for specific Cisco IP phone models including the 7960, 7940, 7912g and CP-7911G. It replaces part numbers 34-1977-05 and EADP-18FB B for direct compatibility.

Output Limits For VoIP Hardware

The fixed 18W output restricts use to the listed desk phones and cannot power higher-draw devices or PoE injectors. Buyers needing to run multiple handsets or different voltage equipment must source separate supplies.

How it compares

Measured against everything we stock in Internal PSU & Riser Cables, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 55% of the 7,839 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Which voltage and current rating matches my Cisco IP phone?

This adapter delivers 48 V at 0.38 A, the exact rating specified for the 7960, 7940, 7912G and CP-7911G models.

What does 48 V 0.38 A actually provide when the phone is running?

It supplies up to 18 watts of regulated power, keeping the handset, display and network interface operating without an external power brick.

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