Datasheet

Page 5
Acoustics
Front of switch
(normal operation)
44.5 dB 45 dB 45.5 dB 44.5 dB
Agency and Regulatory Standard Specifications
Safety UL 60950-1, CSA 22.1
60950, EN 60950-1, and
IEC 60950-1
UL 60950-1, CSA 22.1
60950, EN 60950-1, and
IEC 60950-1
UL 60950-1, CSA 22.1
60950, EN 60950-1, and
IEC 60950-1
UL 60950-1, CSA 22.1
60950, EN 60950-1, and
IEC 60950-1
EMC FCC 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
FCC 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
FCC 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
FCC 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
Environmental 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)
2002/95/EC (RoHS Directive),
2002/96/EC (WEEE Directive),
Ministry of Information Order
#39 (China RoHS)
B5K125-24 B5K125-24P2 B5K125-48 B5K125-48P2
Performance
Throughput Capacity wire-
speed Mpps
(switch / stack)
65.5 Mpps / 523.8 Mpps 65.5 Mpps / 523.8 Mpps 101.2 Mpps / 809.5 Mpps 101.2 Mpps / 809.5 Mpps
Switching Capacity
(switch / stack)
88 Gbps (65.5 Mpps)/
704 Gbps (523.8 Mpps)
88 Gbps (65.5 Mpps)/
704 Gbps (523.8 Mpps)
136 Gbps (101.2 Mpps)/
1,088 Gbps (809.5 Mpps)
136 Gbps (101.2 Mpps)/
1,088 Gbps (809.5 Mpps)
Stacking Capacity
(switch / stack)
48 Gbps (35.7 Mpps)/
384 Gbps (285.7 Mpps)
48 Gbps (35.7 Mpps)/
384 Gbps (285.7 Mpps)
48 Gbps (35.7 Mpps)/
384 Gbps (285.7 Mpps)
48 Gbps (35.7 Mpps)/
384 Gbps (285.7 Mpps)
Aggregate Throughput
Capacity
(switch / stack)
136 Gbps (101.2 Mpps)/
1,088 Gbps (809.5 Mpps)
136 Gbps (101.2 Mpps)/
1,088 Gbps (809.5 Mpps)
184 Gbps (136.9 Mpps)/
1,472 Gbps (1,095.2 Mpps)
184 Gbps (136.9 Mpps)/
1,472 Gbps (1,095.2 Mpps)
PoE Specifications
802.3af Interoperable N/A Yes N/A Yes
802.3at Interoperable N/A Yes N/A Yes
System Power N/A 375 watts per switch with up
to 30 watts per port
Per-port switch power monitor:
• Enable/disable
• Priority safety
• Overload & short circuit
protection
N/A 375 watts per switch with up
to 30 watts per port
Per-port switch power monitor:
• Enable/disable
• Priority safety
• Overload & short circuit
protection
Physical Specifications
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 Weight 4.92 kg (10.85 lb) 6.10 kg (13.45 lb) 5.31 kg (11.70 lb) 6.49 kg (14.30 lb)
MTBF 374,029 hours 328,905 hours 297,808 hours 252,940 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
Normal Input Voltage 100 - 240 VAC 100 - 240 VAC 100 - 240 VAC 100 - 240 VAC
Input Frequency 50 – 60 Hz 50 – 60 Hz 50 – 60 Hz 50 – 60 Hz
Input Current 2 A Max 7.5 A Max 2 A Max 7.5 A Max
Power Consumption 59 watts 136 watts 94 watts 228 watts
Temperature
IEC 6-2-1
Standard Operating
Temperature
0° to 50° C
(32° to 122° F)
0° to 50° C
(32° to 122° F)
0° to 50° C
(32° to 122° F)
0° to 50° C
(32° to 122° F)
IEC 6-2-14
Non-Operating Temperature
-40° to 70° C
(-40° to 158° F)
-40° to 70° C
(-40° to 158° F)
-40° to 70° C
(-40° to 158° F)
-40° to 70° C
(-40° to 158° F)