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B-Series

Cost-Effective PoE+ Stackable Edge

  • Layer 2 switching with Basic Routing and Dynamic Policy
  • 10/100/1000 with 10GbE uplinks
  • High-power PoE+ for power-hungry devices

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Realize adaptive networking with the cost-effective and flexible B-Series.

The B-Series is a cost-effective, feature-rich, stackable switch family that provides a broad set of features today and will continue to deliver benefits well into the future. The B-Series is a scalable, high-performance Gigabit Ethernet switch that provides support for the bandwidth-intensive and latency-sensitive requirements of today’s demanding business applications. The B5 is an excellent choice for environments that require complete multilayer switching capabilities and support for high-density 10/100/1000 Ethernet ports, cost-effective 10GE uplinks, dual IPv4/IPv6 management, basic routing and policy-based automation capabilities for advanced edge deployments.

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Customizable Dynamic Policy with Basic Layer 3 Routing.

  • Future-proofed with 802.3at high-power PoE support
  • Automatic discovery and deployment of VoIP services
  • Dynamic, role-based policy support
  • High-availability stacking assures reliable network operations
  • Automated management features reduce operational costs
  • Investment protection via comprehensive lifetime warranty
Business alignment
  • Aligns network resource utilization with business goals and priorities
  • Reliable network operation for mission-critical applications
Operational efficiency
  • Management automation capabilities reduce network operational expenses
  • Automatic discovery and deployment of VoIP services
  • Role-based policies simplify user management and reduce network operational expenses
Security
  • Audits network for adherence to compliance regulations, such as PCI or HIPAA
  • Securely allocates network resources according to user roles
  • Network security maintained concurrently with user mobility
Support and service
  • Industry-leading customer satisfaction and first-call resolution rates
  • Personalized services, including site surveys, network design, installation, and training
  • Comprehensive lifetime warranty, including feature upgrades and more
Specifications for B5G124-24; B5G124-24P2; B5G124-48; B5G124-48P2
Performance
 B5G124-24B5G124-24P2B5G124-48B5G124-48P2
Throughput Capacity wire- speed Mpps
(switch / stack)
35.7Mpps / 285.7Mpps35.7Mpps / 285.7Mpps71.4Mpps / 571.4Mpps71.4Mpps / 571.4Mpps
Switching Capacity (switch/stack)48Gbps (35.7Mpps ) / 384Gbps (285.7Mpps)48Gbps (35.7Mpps ) / 384Gbps (285.7Mpps)96Gbps (71.4Mpps) / 768Gbps (571.4Mpps)96Gbps (71.4Mpps) / 768Gbps (571.4Mpps)
Stacking Capacity (switch/stack)48Gbps (35.7Mpps) / 384Gbps (285.7Mpps)48Gbps (35.7Mpps) / 384Gbps (285.7Mpps)48Gbps (35.7Mpps) / 384Gbps (285.7Mpps)48Gbps (35.7Mpps) / 384Gbps (285.7Mpps)
Aggregate Throughput Capacity
(switch/stack)
96Gbps (71.4Mpps) / 768Gbps (571.4Mpps)96Gbps (71.4Mpps) / 768Gbps (571.4Mpps)144Gbps (107.1Mpps) / 1,152Gbps (857.1Mpps)144Gbps (107.1Mpps) / 1,152Gbps (857.1Mpps)
PoE Specifications
 B5G124-24B5G124-24P2B5G124-48B5G124-48P2
N/AYesN/AYes
N/AYesN/AYes
N/A375 watts per switch with up to 30 watts per port
Per-port switch power monitor:
Enable/disable
Priority safety
Overload and short-circuit protection
N/A375 watts per switch with up to 30 watts per port
Per-port switch power monitor:
Enable/disable
Priority safety
Overload and short-circuit protection
Physical Specifications
 B5G124-24B5G124-24P2B5G124-48B5G124-48P2
Dimensions (H x W x D)H: 4.4 cm (1.73”)
W: 44.1 cm (17.36”)
D: 36.85 cm (14.51”)
H: 4.4 cm (1.73”)
W: 44.1 cm (17.36”)
D: 36.85 cm (14.51”)
H: 4.4 cm (1.73”)
W: 44.1 cm (17.36”)
D: 36.85 cm (14.51”)
H: 4.4 cm (1.73”)
W: 44.1 cm (17.36”)
D: 36.85 cm (14.51”)
Net Weight4.92 kg (10.85 lb)6.10 kg (13.45 lb)5.31 kg (11.70 lb)6.49 kg (14.30 lb)
MTBF394,679 hours345,093 hours308,359 hours260,806 hours
Physical Ports(24) 10/100/1000 auto-sensing, auto-negotiating MDI/MDI-X RJ45 ports
(4) Combo SFP ports
(2) dedicated stacking ports
(1) DB9 console port
(1) RPS connector
(24) 10/100/1000 PoE
(.af + .at) auto-sensing, auto-negotiating MDI/MDI-X RJ45 ports
(4) Combo SFP ports
(2) dedicated stacking ports
(1) DB9 console port
(1) RPS connector
(48) 10/100/1000 auto-sensing, auto-negotiating MDI/MDI-X RJ45 ports
(4) Combo SFP ports
(2) dedicated stacking ports
(1) DB9 console port
(1) RPS connector
(48) 10/100/1000 PoE (.af + .at) auto-sensing, auto-negotiating
MDI/MDI-X RJ45 ports
(4) Combo SFP ports
(2) dedicated stacking ports
(1) DB9 console port
(1) RPS connector
Power Requirements
 B5G124-24B5G124-24P2B5G124-48B5G124-48P2
Normal Input Voltage100 - 240 VAC100 - 240 VAC100 - 240 VAC100 - 240 VAC
Input Frequency50 – 60 Hz50 – 60 Hz50 – 60 Hz50 – 60 Hz
Input Current2 A Max7.5 A Max2 A Max7.5 A Max
Power Consumption48 watts93 watts76 watts125 watts
Temperature
 B5G124-24B5G124-24P2B5G124-48B5G124-48P2
IEC 6-2-1 Standard Operating Temperature0° C to 50° C (32° F to 122° F)0° C to 50° C (32° F to 122° F)0° C to 50° C (32° F to 122° F)0° C to 50° C (32° F to 122° F)
IEC 6-2-14
Non-Operating Temperature
-40° C to 70° C (-40° F to 158° F)-40° C to 70° C (-40° F to 158° F)-40° C to 70° C (-40° F to 158° F)-40° C to 70° C (-40° F to 158° F)
Heat Dissipation164BTUs/Hr318BTUs/Hr258BTUs/Hr427BTUs/Hr
Humidity
 B5G124-24B5G124-24P2B5G124-48B5G124-48P2
Operating Humidity5% to 95% non-condensing5% to 95% non-condensing5% to 95% non-condensing5% to 95% non-condensing
Vibration
 B5G124-24B5G124-24P2B5G124-48B5G124-48P2
IEC 68-2-6, IEC 68-2-36IEC 68-2-6, IEC 68-2-36IEC 68-2-6, IEC 68-2-36IEC 68-2-6, IEC 68-2-36
Shock
B5G124-24B5G124-24P2B5G124-48B5G124-48P2
IEC 68-2-29IEC 68-2-29IEC 68-2-29IEC 68-2-29
Drop
 B5G124-24B5G124-24P2B5G124-48B5G124-48P2
IEC 68-2-32IEC 68-2-32IEC 68-2-32IEC 68-2-32
Altitude
 B5G124-24B5G124-24P2B5G124-48B5G124-48P2
Operating10,000 ft (3,048 m)10,000 ft (3,048 m)10,000 ft (3,048 m)10,000 ft (3,048 m)
Non-operating15,000 ft (4,572 m)15,000 ft (4,572 m)15,000 ft (4,572 m)15,000 ft (4,572 m)
Acoustics
 B5G124-24B5G124-24P2B5G124-48B5G124-48P2
Front of switch (normal operation)44.5 dB45 dB45.5 dB44.5 dB
Agency and Regulatory Standard Specifications
 B5G124-24B5G124-24P2B5G124-48B5G124-48P2
SafetyUL 60950-1, CSA 22.1 60950, EN 60950-1, and IEC 60950-1UL 60950-1, CSA 22.1 60950, EN 60950-1, and IEC 60950-1UL 60950-1, CSA 22.1 60950, EN 60950-1, and IEC 60950-1UL 60950-1, CSA 22.1 60950, EN 60950-1, and IEC 60950-1
EMCFCC Part 15 (Class A), ICES-003 (Class A), BSMI, VCCI V-3, AS/NZS CISPR 22 (Class A), EN 55022 (Class A), EN 55024, EN 61000-3-2, and EN 61000-3-3FCC Part 15 (Class A), ICES-003 (Class A), BSMI, VCCI V-3, AS/NZS CISPR 22 (Class A), EN 55022 (Class A), EN 55024, EN 61000-3-2, and EN 61000-3-3FCC Part 15 (Class A), ICES-003 (Class A), BSMI, VCCI V-3, AS/NZS CISPR 22 (Class A), EN 55022 (Class A), EN 55024, EN 61000-3-2, and EN 61000-3-3FCC Part 15 (Class A), ICES-003 (Class A), BSMI, VCCI V-3, AS/NZS CISPR 22 (Class A), EN 55022 (Class A), EN 55024, EN 61000-3-2, and EN 61000-3-3
Environmental2002/95/EC (RoHS Directive), 2002/96/EC (WEEE Directive), Ministry of Information Order #39 (China RoHS)2002/95/EC (RoHS Directive), 2002/96/EC (WEEE Directive), Ministry of Information Order #39 (China RoHS)2002/95/EC (RoHS Directive), 2002/96/EC (WEEE Directive), Ministry of Information Order #39 (China RoHS)2002/95/EC (RoHS Directive), 2002/96/EC (WEEE Directive), Ministry of Information Order #39 (China RoHS)
Specifications for B5K125-24; B5K125-24P2; B5K125-48; B5K125-48P2
Performance
 B5K125-24B5K125-24P2B5K125-48B5K125-48P2
Throughput Capacity wire-speed Mpps
(switch/stack)
65.5Mpps / 523.8Mpps65.5Mpps / 523.8Mpps101.2Mpps / 809.5Mpps101.2Mpps / 809.5Mpps
Switching Capacity (switch/stack)88Gbps (65.5Mpps) / 704Gbps (523.8Mpps)88Gbps (65.5Mpps) / 704Gbps (523.8Mpps)136Gbps (101.2Mpps) / 1,088Gbps (809.5Mpps)136Gbps (101.2Mpps) / 1,088Gbps (809.5Mpps)
Stacking Capacity (switch/stack)48Gbps (35.7Mpps) / 384Gbps (285.7Mpps)48Gbps (35.7Mpps ) / 384Gbps (285.7Mpps)48Gbps (35.7Mpps) / 384Gbps (285.7Mpps)48Gbps (35.7Mpps) / 384Gbps (285.7Mpps)
Aggregate Throughput Capacity
(switch/stack)
136Gbps (101.2Mpps) / 1,088Gbps (809.5Mpps)136Gbps (101.2Mpps) / 1,088Gbps (809.5Mpps)184Gbps (136.9Mpps) / 1,472Gbps (1,095.2Mpps)184Gbps (136.9Mpps) / 1,472Gbps (1,095.2Mpps)
PoE Specifications
 B5K125-24B5K125-24P2B5K125-48B5K125-48P2
802.3af InteroperableN/AYesN/AYes
802.3at InteroperableN/AYesN/AYes
System PowerN/A375 watts per switch with up to 30 watts per port
Per-port switch power monitor:
Enable/disable
Priority safety
Overload and short-circuit protection
N/A375 watts per switch with up to 30 watts per port
Per-port switch power monitor:
Enable/disable
Priority safety
Overload and short-circuit protection
Physical Specifications
 B5K125-24B5K125-24P2B5K125-48B5K125-48P2
Dimensions (H x W x D)H: 4.4 cm (1.73”)
W: 44.1 cm (17.36”)
D: 36.85 cm (14.51”)
H: 4.4 cm (1.73”)
W: 44.1 cm (17.36”)
D: 36.85 cm (14.51”)
H: 4.4 cm (1.73”)
W: 44.1 cm (17.36”)
D: 36.85 cm (14.51”)
H: 4.4 cm (1.73”)
W: 44.1 cm (17.36”)
D: 36.85 cm (14.51”)
Net Weight4.92 kg (10.85 lb)6.10 kg (13.45 lb)5.31 kg (11.70 lb)6.49 kg (14.30 lb)
MTBF374,029 hours328,905 hours297,808 hours252,940 hours
Physical Ports(24) 10/100/1000 auto-sensing, auto-negotiating MDI/MDI-X RJ45 ports
(2) Combo SFP ports
(2) 10GE ports
(2) dedicated stacking ports
(1) DB9 console port
(1) RPS connector
(24) 10/100/1000 PoE (.af + .at) auto-sensing, auto-negotiating MDI/MDI-X RJ45 ports
(2) Combo SFP ports
(2) 10GE ports
(2) dedicated stacking ports
(1) DB9 console port
(1) RPS connector
(48) 10/100/1000 auto-sensing, auto-negotiating MDI/MDI-X RJ45 ports
(2) Combo SFP ports
(2) 10GE ports
(2) dedicated stacking ports
(1) DB9 console port
(1) RPS connector
(48)10/100/1000 PoE (.af + .at) auto-sensing, auto-negotiating MDI/MDI-X RJ45 ports
(2) Combo SFP ports
(2) 10GE ports
(2) dedicated stacking ports
(1) DB9 console port
(1) RPS connector
Power Requirements
 B5K125-24B5K125-24P2B5K125-48B5K125-48P2
Normal Input Voltage100-240 VAC100-240 VAC100-240 VAC100-240 VAC
Input Frequency50–60Hz50–60Hz50–60Hz50–60Hz
Input Current2A Max7.5A Max2A Max7.5A Max
Power Consumption59 watts98 watts94 watts125 watts
Temperature
 B5K125-24B5K125-24P2B5K125-48B5K125-48P2
IEC 6-2-1 Standard Operating Temperature0° C to 50° C (32° F to 122° F)0° C to 50° C (32° F to 122° F)0° C to 50° C (32° F to 122° F)0° C to 50° C (32° F to 122° F)
IEC 6-2-14
Non-Operating Temperature
-40° C to 70° C (-40° F to 158° F)-40° C to 70° C (-40° F to 158° F)-40° C to 70° C (-40° F to 158° F)-40° C to 70° C (-40° F to 158° F)
Heat Dissipation200BTUs/Hr335BTUs/Hr321BTUs/Hr427BTUs/Hr
Humidity
 B5K125-24B5K125-24P2B5K125-48B5K125-48P2
Heat Dissipation200BTUs/Hr335BTUs/Hr321BTUs/Hr427BTUs/Hr
Vibration
 B5K125-24B5K125-24P2B5K125-48B5K125-48P2
IEC 68-2-6, IEC 68-2-36IEC 68-2-6, IEC 68-2-36IEC 68-2-6, IEC 68-2-36IEC 68-2-6, IEC 68-2-36
Shock
 B5K125-24B5K125-24P2B5K125-48B5K125-48P2
IEC 68-2-29IEC 68-2-29IEC 68-2-29IEC 68-2-29
Drop
 B5K125-24B5K125-24P2B5K125-48B5K125-48P2
IEC 68-2-32IEC 68-2-32IEC 68-2-32IEC 68-2-32
Acoustics
 B5K125-24B5K125-24P2B5K125-48B5K125-48P2
Front of switch (normal operation)45.5 dB45 dB46 dB45.5 dB
Altitude
 B5K125-24B5K125-24P2B5K125-48B5K125-48P2
Operating10,000 ft (3,048 m)10,000 ft (3,048 m)10,000 ft (3,048 m)10,000 ft (3,048 m)
Non-operating15,000 ft (4,572 m)15,000 ft (4,572 m)15,000 ft (4,572 m)15,000 ft (4,572 m)
Agency and Regulatory Standard Specifications
 B5K125-24B5K125-24P2B5K125-48B5K125-48P2
SafetyUL 60950-1, CSA 22.1 60950, EN 60950-1, and IEC 60950-1UL 60950-1, CSA 22.1 60950, EN 60950-1, and IEC 60950-1UL 60950-1, CSA 22.1 60950, EN 60950-1, and IEC 60950-1UL 60950-1, CSA 22.1 60950, EN 60950-1, and IEC 60950-1
EMCFCC Part 15 (Class A), ICES- 003 (Class A), BSMI, VCCI V-3, AS/NZS CISPR 22 (Class A), EN 55022 (Class A), EN 55024, EN 61000-3-2, and EN 61000-3-3FCC Part 15 (Class A), ICES- 003 (Class A), BSMI, VCCI V-3, AS/NZS CISPR 22 (Class A), EN 55022 (Class A), EN 55024, EN 61000-3-2, and EN 61000-3-3FCC Part 15 (Class A), ICES- 003 (Class A), BSMI, VCCI V-3, AS/NZS CISPR 22 (Class A), EN 55022 (Class A), EN 55024, EN 61000-3-2, and EN 61000-3-3FCC Part 15 (Class A), ICES- 003 (Class A), BSMI, VCCI V-3, AS/NZS CISPR 22 (Class A), EN 55022 (Class A), EN 55024, EN 61000-3-2, and EN 61000-3-3
Environmental2002/95/EC (RoHS Directive), 2002/96/EC (WEEE Directive), Ministry of Information Order #39 (China RoHS)2002/95/EC (RoHS Directive), 2002/96/EC (WEEE Directive), Ministry of Information Order #39 (China RoHS)2002/95/EC (RoHS Directive), 2002/96/EC (WEEE Directive), Ministry of Information Order #39 (China RoHS)2002/95/EC (RoHS Directive), 2002/96/EC (WEEE Directive), Ministry of Information Order #39 (China RoHS)