Руководство По Работе для Netgear GS748T
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APPENDIX C: TECHNICAL SPECIFICATIONS
This appendix provides technical specifications for the NETGEAR GS748T Gigabit Smart Switch.
Network Protocol and Standards Compatibility
IEEE 802.3 10BASE-T
IEEE 802.3u 100BASE-TX
IEEE 802.3ab 1000BASE-T
IEEE 802.3z 1000Base-X
IEEE 802.3x flow control
Network Protocol and Standards Compatibility
IEEE 802.3 10BASE-T
IEEE 802.3u 100BASE-TX
IEEE 802.3ab 1000BASE-T
IEEE 802.3z 1000Base-X
IEEE 802.3x flow control
Management
IEEE 802.1Q Static VLAN (Up to 64)
Port-based VLAN (Up to 48)
IEEE 802.1Q Static VLAN (Up to 64)
Port-based VLAN (Up to 48)
IEEE 802.1p Class of Service (CoS)
Port-based QoS (options High/Normal)
Port Trunking - Manual as per IEEE802.3ad Link Aggregation
Port Monitoring
Port-based QoS (options High/Normal)
Port Trunking - Manual as per IEEE802.3ad Link Aggregation
Port Monitoring
Interface
48 RJ-45 connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T (Auto Uplink™ on all ports)
with 4 SFP GBIC module bays that share with 4 RJ-45 ports for fiber connectivity
48 RJ-45 connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T (Auto Uplink™ on all ports)
with 4 SFP GBIC module bays that share with 4 RJ-45 ports for fiber connectivity
LEDs
Per port (Gigabit): Link/Activity, Speed
Per device: Power
Per port (Gigabit): Link/Activity, Speed
Per device: Power
Performance Specifications
Forwarding modes: Store-and-forward
Bandwidth: 40 Gbps
Network latency: Less than 20 microseconds for 64-byte frames in store-and-forward mode for 100 Mbps to 100 Mbps transmission
Buffer memory: 1,632 KB embedded memory per unit
Address database size: 16,000 media access control (MAC) addresses per system
Mean Time Between Failure (MTBF): 69,930 hours (~ 8 years)
Forwarding modes: Store-and-forward
Bandwidth: 40 Gbps
Network latency: Less than 20 microseconds for 64-byte frames in store-and-forward mode for 100 Mbps to 100 Mbps transmission
Buffer memory: 1,632 KB embedded memory per unit
Address database size: 16,000 media access control (MAC) addresses per system
Mean Time Between Failure (MTBF): 69,930 hours (~ 8 years)
Power Supply
Power Consumption: 70 W maximum
100-240VAC/50-60 Hz universal input
Power Consumption: 70 W maximum
100-240VAC/50-60 Hz universal input
Physical Specifications
Dimensions (H x W x D): 1.7 x 17.3 x 10.1 in (43.2 x 440 x 257 mm)
Weight:
Dimensions (H x W x D): 1.7 x 17.3 x 10.1 in (43.2 x 440 x 257 mm)
Weight:
8.8 lbs. (4.0 Kg)
Environmental Specifications
Operating temperature: 0 to 40°C (32 to 104°F)
Storage temperature: -20 to 70°C (28 to 158°F)
Operating humidity: 90% maximum relative humidity, non-condensing
Storage humidity: 95% maximum relative humidity, non-condensing
Operating altitude: 3,000 m (10,000 ft) maximum
Storage altitude: 3,000 m (10,000 ft) maximum
Operating temperature: 0 to 40°C (32 to 104°F)
Storage temperature: -20 to 70°C (28 to 158°F)
Operating humidity: 90% maximum relative humidity, non-condensing
Storage humidity: 95% maximum relative humidity, non-condensing
Operating altitude: 3,000 m (10,000 ft) maximum
Storage altitude: 3,000 m (10,000 ft) maximum
Electromagnetic Emissions
CE mark, commercial
FCC Part 15 Class A
VCCI Class A
C-Tick
Electromagnetic Immunity
EN 55022 (CISPR 22), Class A
CE mark, commercial
FCC Part 15 Class A
VCCI Class A
C-Tick
Electromagnetic Immunity
EN 55022 (CISPR 22), Class A
Safety
CE mark, commercial
CUL 60950 (Listed)/ EN60950 (Low Voltage Directive)
Modules
AGM731F 1000BASE-SX SFP GBIC for multimode fiber
AGM732F 1000BASE-LX SFP GBIC for single mode fiber
CE mark, commercial
CUL 60950 (Listed)/ EN60950 (Low Voltage Directive)
Modules
AGM731F 1000BASE-SX SFP GBIC for multimode fiber
AGM732F 1000BASE-LX SFP GBIC for single mode fiber