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Cisco 34-1977-01 Power Supply Adapter 100-240 / 48V/0.38A (GSC2B-B8-1C)

Cisco 34-1977-01 Power Supply Adapter 100-240 / 48V/0.38A (GSC2B-B8-1C)
Cisco 34-1977-01 Power Supply Adapter 100-240 / 48V/0.38A (GSC2B-B8-1C)
The Cisco Power Supply Adapter 34-1977-01 (GSC2B-B8-1C) delivers reliable DC power for a wide range of Cisco networking equipment. Designed to operate from universal AC input ranges of 100-240 volts, this adapter converts incoming electricity to a st... Read More
$35.95
  • In Stock: 8
  • Manufacturer: Cisco
  • Model or Part: 34-1977-01
  • Condition: Refurbished
  • Weight: 1.00lb
  • Dimensions: 4.00in x 2.00in x 0.50in
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Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Overview

The Cisco Power Supply Adapter 34-1977-01 (GSC2B-B8-1C) delivers reliable DC power for a wide range of Cisco networking equipment. Designed to operate from universal AC input ranges of 100-240 volts, this adapter converts incoming electricity to a stable 48V output at 0.38A, ensuring consistent performance in both data center and branch office environments.

Key Features

  • Wide input voltage range (100-240 V AC) for global compatibility
  • Fixed 48 V DC output with 0.38 A current rating
  • Compact, lightweight design for easy installation and space saving
  • High efficiency conversion reduces heat generation and power waste
  • Built-in protection against over voltage, short circuit and overload conditions
  • CE and FCC compliance for safe operation in regulated markets

Technical Specifications

  • Model / Part Number: 34-1977-01
  • Input Voltage: 100-240 V AC, 50/60 Hz
  • Output Voltage: 48 V DC
  • Maximum Output Current: 0.38 A
  • Power Rating: 18.24 W (approx)
  • Connector Type: Standard Cisco power connector (GSC2B-B8-1C)
  • Operating Temperature Range: 0 deg to 40 deg C
  • Storage Temperature Range: -20 deg to 70 deg C
  • Dimensions (L x W x H): 115 mm x 55 mm x 30 mm
  • Weight: approx 250 g

Typical Applications

  • Cisco Catalyst switches requiring external power support
  • Industrial Ethernet routers and access points in harsh environments
  • Remote branch office deployments where space and power efficiency are critical
  • Temporary or portable networking setups for events and field work
  • Backup power solutions when paired with UPS systems to maintain network uptime

This Cisco Power Supply Adapter provides the dependable power conversion needed to keep mission-critical networking gear running smoothly, while its compact form factor and global input range simplify deployment across diverse locations.