Description:HP ProCurve 20-Port PoE+ Module with 4-Port Mini-GBIC zl Manufacturer Part# J9308A Overview:A 20-port 10/100/1000 PoE+ and 4-port mini-GBIC(SFP) module for HP E5400/E8200 series zl switches. Specifications: CategoryProCurve Sub-CategoryModule Generation20-P PoE+ Part NumberJ9308A Products ID457613 ManufacturerHP Application/UsageData Networking Interface RJ-45 I/O Ports20 x 10/100/1000Base-T LAN Auxillory Ports4 x SFP (mini-GBIC) Data Transfer Rate10 Mbps Operating Temperature32°F to 113°F (0°C to 45°C) Product Dimensions (WxHxD)4.2 in x 1.4 in x 4.1 in Manufacturers Specs