Remarks	If the upper-level circuit breaker for a device is also connected to many other devices, a C32 or above circuit breaker needs to be used. If the upper-level circuit breaker for a device is connected only to this device, a C25 or below circuit breaker can be used.
Certification	EMC certification Safety certification Manufacturing certification
Chassis material	Metal
Static power consumption [W]	18.74
Dimensions without packaging (H x W x D) [mm(in.)]	Basic dimensions (excluding the parts protruding from the body): 43.6 mm x 442 mm x 220 mm (1.72 in. x 17.40 in. x 8.66 in.) Maximum dimensions (the depth is the distance from ports on the front panel to the parts protruding from the rear panel): 43.6 mm x 442 mm x 227 mm (1.72 in. x 17.40 in. x 8.94 in.)
Dimensions with packaging (H x W x D) [mm(in.)]	90.0 mm x 550.0 mm x 360.0 mm (3.54 in. x 21.65 in. x 14.17 in.)
Chassis height [U]	1
Installation type	Rack mounting,Desk mounting,Wall mounting
Weight without packaging [kg(lb)]	2.8 kg (6.17 lb)
Weight with packaging [kg(lb)]	3.71 kg (8.18 lb)
Typical power consumption [W]	33.32
Typical heat dissipation [BTU/hour]	113.68
Maximum power consumption [W]	- Without PoE: 38.58 W - Full PoE load: 482.55 W (PoE: 400 W)
Maximum heat dissipation [BTU/hour]	- Without PoE: 131.63 - Full PoE load: 1646.51
MTBF [years]	48.77
MTTR [hours]	2
Availability	> 0.99999
Noise at normal temperature (acoustic power) [dB(A)]	52.8
Noise at high temperature (acoustic power) [dB(A)]	58.6
Noise at normal temperature (acoustic pressure) [dB(A)]	40.1
Number of power slots	0
Number of fans modules	2
Maximum number of physical ports on the entire device	28
Maximum number of 2.5GE ports	4
Maximum number of GE ports	28
Maximum number of FE ports	28
Long-term operating temperature [°C(°F)]	–5°C to +45°C (23°F to 113°F) at an altitude of 0 to 1800 m (0 to 5905.44 ft.)
Restriction on the operating temperature variation rate [°C(°F)]	When the altitude is 1800-5000 m (5906-16404 ft.), the highest operating temperature reduces by 1°C (1.8°F) every time the altitude increases by 220 m (722 ft.). Devices cannot start when the temperature is lower than 0°C (32°F).
Storage temperature [°C(°F)]	–40°C to +70°C (–40°F to +158°F)
Long-term operating relative humidity [RH]	5% RH to 95% RH (non-condensing)
Long-term operating altitude [m(ft.)]	0–5000 m (0–16404 ft.)
Storage altitude [m(ft.)]	0-5000 m (0-16404 ft.)
Power supply mode	AC built-in
Rated input voltage [V]	- AC input: 100 V AC to 240 V AC, 50/60 Hz - High-voltage DC input: 240 V DC
Input voltage range [V]	- AC input: 90 V AC to 290 V AC; 45 Hz to 65 Hz - High-voltage DC input: 190 V DC to 290 V DC
Maximum input current [A]	6:00 ÖÖ
Power supply surge protection [kV]	Differential mode: ±6 kV; common mode: ±6 kV
Ingress protection level (dustproof/waterproof)	IP20
Types of fans	Built-in
Heat dissipation mode	Air cooling for heat dissipation, intelligent fan speed adjustment
Airflow direction	Air intake from left and front, air exhaustion from right
PoE	Supported
100% power consumption [W]	33.92
Maximum PoE power consumption [W]	400
PoE+ power interfaces	24
Full load PoE power consumption 30W (802.3at)	13
Full load PoE power consumption 15.4W (802.3af)	24