JL815A I Open Box HPE Aruba Instant On 1830 48G 24p Class4 PoE 4SFP 370W SwitchI O ports and slots: 48 RJ 45 autosensing 10 100 1000 ports IEEE 802. 3at Class 4 PoE (ports 1 24) (IEEE 802. 3 Type 10BASE T, IEEE 802. 3u Type 100BASE TX, IEEE 802. 3ab Type 1000BASE T); Duplex: 10BASE T 100BASE TX: half or full; 1000BASE T: full only 4 SFP 1GbE ports CPU: ARM Cortex A9 @ 800MHz, 512 MB SDRAM, 256 MB flash; packet buffer: 1. 5MB 100 Mb Latency: < 5. 2 uSec 1000 Mb Latency: < 2. 8 uSec 10000 Mb Latency: N A Throughput (Mpps): 77. 37