Additional Details ------------------------------ Product description: APC Rack shelf measuring 3.5" x 19" x 15.9" is designed to support equipment which can remain stationary in the enclosure. APC Rack fixed shelf is compatible with NetShelter 2/4 post open frame rack. Fixed shelf measuring 3.5" x 19" x 15.9" includes mounting hardware and installation guide. Capacity: 22.68 kg static load. Compatibility: APC NetShelter 2 post open frame rack, APC NetShelter 4 Post open frame rack. Dimensions: 3 1/2"(H) x 19"(W) x 15.9"(D). Height (rack units): 2U. Designed for netshelter 2 post open frame rack, netshelter EP, netshelter ES, netshelter SX, netshelter VX, netshelter WX. 2 years limited warranty. Dimensions: 1.7"(H) x 17.5"(W) x 17.6"(D). Media type supported: Twisted pair. Temperature: -5 - 45 deg C (operating up to 5000'), -5 - 40 deg C (operating up to 10000'), -40 - 158 deg F (storage). Operating humidity 5 - 96 % noncondensing, Shock: Operating: 30 G, 2ms half sine, Non operating: 55 G, 10ms trapezoid. Management: DHCP, VLAN, QoS, SNMP v1, 2c, 3, RMON, MIB, Embedded event manager. Slot: 2 expansion, SFP+(type), 2 numbers of SFP+ slots, Standard memory: 4GB, Memory technology: DRAM. Flash memory: 2 GB, MTBF: 383760 hour, Compatible rack unit: 1U. Performance: 32000 MAC addresses, jumbo frames: 9198 byte, 4000 VLAN IDs, Switching bandwidth: 160 Gbps. Includes Catalyst 3650-48P layer 3 switch, power supply. Weight: 16.75 lbs. Dual redundant, modular power supplies and three modular fans providing redundancy, can help you increase wireless productivity and reduce your TCO, switch can enable uniform wired wireless policy enforcement, application visibility, flexibility. Compliant and standards: Safety: UL 60950-1 2nd edition, CAN/CSA-C22.2 No. 60950-1 2nd edition, EN 60950-1 2nd edition, IEC 60950-1 2nd edition, AS/NZS 60950-1, EMC: 47CFR Part 15 Class A, AS/NZS CISPR22 Class A, CISPR22 Class A, EN55022 Class A. Compliant and standards: IEEE standards: 802.1D, 802.1p, 802.1Q, 802.1s, 802.1w, 802.1X, 802.1ab, 802.3ad, 802.3af, 802.