HP J8693-61401 | ProCurve 3500 Series 3500-48G-PoE yl 44 x RJ-45 Ports PoE 10/100/1000Base-T + 4 x Dual-Personality RJ-45 PoE Ports + 1 x Open Module Slot Layer 3 Managed Rack-mountable Gigabit Ethernet Network Switch

Here are the technical specifications for the HP ProCurve 3500yl 48G PoE Chassis:

1. Switching capacity: 101.2 Gbps
2. Forwarding rate: 75.3 Mpps
3. Number of ports: 48 RJ-45 autosensing 10/100/1000 PoE+ ports
4. PoE power: 1440 W
5. Memory and processor: 128 MB flash, 256 MB DDR SDRAM; 1.2 GHz processor
6. Latency: < 3.5 µs (64-byte packets)
7. Management features: CLI, Web browser, SNMP, Telnet, RMON, sFlow, and DHCP
8. VLAN support: 4094 VLAN IDs
9. Security features: RADIUS, TACACS+, SSL, SSH, and MAC address lockout
10. Quality of Service (QoS): IEEE 802.1p prioritization, 8 hardware queues, and WFQ
11. Dimensions (W x D x H): 44.25 x 43.69 x 4.39 cm
12. Weight: 9.07 kg

Helpful notes:
1. The HP ProCurve 3500yl 48G PoE Chassis is a high-performance switch designed for enterprise-level networks.
2. With 48 PoE+ ports, it can power a large number of devices, such as IP phones and wireless access points.
3. The switch supports advanced management and security features, making it ideal for organizations that require a high level of control over their network.