Switch Model Specifications
Page 4
A2H254-16
A2H123-24
A2H124-24FX
Performance
Throughput Capacity
wire-speed Mpps
(switch / stack)
8.3 Mpps / 66.7 Mpps
6.8 Mpps / 54.8 Mpps
9.5 Mpps / 76.2 Mpps
Switching Capacity
(switch / stack)
11.2 Gbps / 89.6 Gbps
9.2 Gbps / 73.6 Gbps
12.8 Gbps / 102.4 Gbps
Stacking Capacity
(switch / stack)
No dedicated stacking ports on A2;
10/100/1000 can be used for stacking or
uplinks
No dedicated stacking ports on A2;
10/100/1000 can be used for stacking
or uplinks
No dedicated stacking ports on A2;
10/100/1000 can be used for stacking
or uplinks
Aggregate Throughput
Capacity
(switch / stack)
11.2 Gbps / 89.6 Gbps
9.2 Gbps / 73.6 Gbps
12.8 Gbps / 102.4 Gbps
PoE Specifications
802.3af Compliance
N/A
N/A
N/A
System Power
N/A
N/A
N/A
Physical Specifications
Dimensions (H x W x D)
H: 4.4 cm (1.73”)
W: 44.1 cm (17.36”)
D: 21.0 cm (8.27”)
H: 4.4 cm (1.73”)
W: 44.1 cm (17.36”)
D: 21.0 cm (8.27”)
H: 4.4 cm (1.73”)
W: 44.1 cm (17.36”)
D: 21.0 cm (8.27”)
Net Weight
2.61 kg (5.75 lb)
2.61 kg (5.75 lb)
2.7 kg (5.94 lb)
MTBF
105,790 hours
121,739 hours
53,501 hours
Physical Ports
• (8) 10/100 auto-sensing, auto-
negotiating, MDI/MDI-X, RJ45 ports
• (8) 100Base-FX MTRJ fiber optic ports
• (2) mini-GBIC ports
• (2) 10/100/1000 stacking/uplink RJ45 ports
• (1) DB9 console port
• (1) RPS port
• (24) 10/100 auto-sensing, auto-
negotiating, MDI/MDI-X, RJ45 ports
• (2) 100Base-FX fiber ports with LC
connectors
• (2) 10/100/1000 stacking/uplink
RJ45 ports
• (1) DB9 console port
• (1) RPS port
• (24) 100Base-FX MTRJ fiber optic ports
• (2) mini-GBIC ports
• (2) 10/100/1000 stacking/uplink
RJ45 ports
• (1) DB9 console port
• (1) RPS port
Power Requirements
Nominal Input Voltage
100 – 240 VAC
100 – 240 VAC
100 – 240 VAC
Input Frequency
50 – 60 Hz
50 – 60 Hz
50 – 60 Hz
Input Current
1.0A Max
1.0A Max
1.0A Max
Power Consumption
35 watts
31 watts
59 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)
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)
Heat Dissipation
120 BTUs/Hr
108 BTUs/Hr
201 BTUs/Hr
Humidity
Operating Humidity
5% - 95% non-condensing
5% - 95% non-condensing
5% - 95% non-condensing
Vibration
IEC 68-2-6, IEC68-2-36
IEC 68-2-6, IEC68-2-36
IEC 68-2-6, IEC68-2-36
Shock
IEC 68-2-29
IEC 68-2-29
IEC 68-2-29
Drop
IEC 68-2-32
IEC 68-2-32
IEC 68-2-32
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
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
