Avaya 1151B1 Power Supply (700227242)

Avaya 1151B1 Power Supply (700227242) – External IP Phone Power Adapter

The Avaya 1151B1 Power Supply (700227242) is an external power unit designed to deliver reliable local power to compatible Avaya IP desk telephones. It provides an alternative power source when a compatible Power over Ethernet (PoE) switch or network power source is unavailable.

Featuring universal AC input, a 48V DC output rated at approximately 20 watts and convenient modular telephone connections, the Avaya 1151B1 is suitable for maintaining and replacing power accessories in existing Avaya business telephone installations.

Avaya 1151B1 Power Supply Key Features

• Genuine Avaya 1151B1 external telephone power supply
• Manufacturer part number: 700227242
• 48V DC output rated at approximately 20 watts
• Universal AC input for compatible international power systems
• LINE and PHONE modular RJ-45-style connections
• Provides local power to one compatible Avaya telephone
• Green power-status LED indicator
• Compact desktop design
• Wall-mounting slots for supported installations
• Suitable for select Avaya 4600, 5600 and 9600 Series phones
• Designed for indoor telecommunications equipment
• No integrated battery backup

Technical Specifications

• Brand: Avaya
• Model: 1151B1
• Part Number: 700227242
• Product Type: External IP Telephone Power Supply
• AC Input: 90–264V AC, 47–63Hz (manufacturer operating range)
• Nominal Output: 48V DC
• Output Power: Approximately 20W
• Connectors: LINE and PHONE modular 8-position jacks
• Power Indicator: Green LED
• Powering Capacity: One compatible telephone
• Battery Backup: No
• Installation: Desktop or suitable wall mounting
• Color: Black

Avaya Telephone Compatibility

The Avaya 1151B1 supports selected Avaya IP telephones, including models within the 4600, 5600 and 9600 Series. Compatibility depends on the specific telephone model, required power connection and any additional accessories.

Some Avaya Gigabit telephone models require a separate compatible DC barrel-connector power cord rather than standard inline power delivery. Verify the telephone's power requirements before purchasing.

Why Choose the Avaya 1151B1?

The Avaya 1151B1 provides a practical solution for powering supported business telephones where network-delivered power is unavailable. Its universal input design, straightforward connections and status indicator simplify deployment in existing Avaya telephone environments.

For organizations maintaining legacy Avaya systems, the 1151B1 can also serve as a replacement for an existing compatible local telephone power unit.

Common Use Cases

• Powering compatible Avaya IP telephones without PoE switches
• Replacing damaged or failed Avaya telephone power units
• Office and reception desk telephone installations
• Maintaining legacy Avaya business phone systems
• Supporting compatible Avaya phone accessories

What's Included

• 1 x Avaya 1151B1 Power Supply (700227242)
• AC power cord and D8W telephone line cord, when supplied with the selected package

Telephone not included. Confirm the actual included cables and accessories with the seller. The 1151B1 does not include battery backup.