Model | JL386A |
Device Type | Switch – 48 ports – L3 – Managed |
Ports | (24) RJ-45 auto-negotiating 10/100/1000 PoE+ ports (24) RJ-45 auto-negotiating 10/100/1000 ports (4) SFP 100/1000 Mbps ports |
Processor | ARM Cortex-A9 @ 400 MHz |
RAM | 256 MB SDRAM |
Flash | 64 MB |
Packet buffer size | 1.5 MB |
Latency | 100 Mb Latency: < 7 μs 000 Mb Latency: < 2 μs |
Throughput | 77.3 Mpps |
Routing/Switching capacity | 104 Gbps |
MTBF | 45 years |
MAC address size | 16K entries |
Routing table entries | 32 entries |
Jumbo frame support | 9216 bytes |
Features | Flow control, auto-negotiation, auto-uplink (auto mdi/mdi-x), IGMP snooping, ipv6 support, half duplex mode, full duplex mode, spanning tree protocol (STP), rapid spanning tree protocol (RSTP), multiple spanning tree protocol, ACL, QoS, fanless, DHCP relay, DHCP client, port isolation, CoS, link aggregation, NTP, LLDP-MED |
Layer 3 Routing | IGMP, Static IPv4 routing |
Voltage | AC 120/230 V (50/60 HZ) |
Maximum power rating | 481W |
Power over Ethernet | 370W PoE+ |
Operating temperature | 0°C to 40°C |
Operating relative humidity | 15% to 95%, noncondensing |
Dimensions | 44.25 x 24.61 x 4.39 cm |
Weight | 4.4kg |
HPE OfficeConnect 1920S 48G 4SFP PPoE+ 370W Switch – JL386A
– Ports : 48 autosensing 10/100/1000 ports (24-Ports PoE+, Cống suất tối đa : 370W, port : 30W); 4 Gigabit SFP ports.
– Memory and processor : ARM Cortex-A9 @ 400 MHz, 256 MB SDRAM, 64 MB flash; packet buffer: 1.5 MB
– Performance : 100 Mb Latency < 7 µs; : 1000 Mb Latency < 2 µs; Throughput up to 77.3 Mpps (64-byte packets); – —— – Routing/Switching capacity 104 Gbps; Routing table size 32 entries; MAC address table size 16000
– Support : Quality of Service (QoS); Management; Connectivity; Layer 2 switching; Security; Convergence; Resiliency and high availability.
– Layer 3 services : Address Resolution Protocol (ARP): determines the MAC address of another IP host in the same subnet; supports static ARPs; gratuitous ARP allows detection of duplicate IP addresses; proxy ARP allows normal ARP operation between subnets or when subnets are separated by a Layer 2 network; DHCP relay: simplifies management of DHCP addresses in networks with multiple subnets.
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