Description:HP ProCurve 24-Port PoE+ zl ModuleManufacturer Part# J9478A Overview:A 24-port 10/100 PoE+ module for E5400/E8200 series zl switches. Specifications: CategoryProCurve Sub-CategoryModule Generation24P zl Part NumberJ9478A Products ID457624 ManufacturerHP Application/UsageData Networking Interface RJ-45 I/O Ports24 x 10/100Base-TX LAN Form FactorPlug-in module Data Transfer Rate100 Mbps Cabling TypeEthernet 10Base-T/100Base-TX Operating Temperature32°F to 131°F (0°C to 55°C) Product Dimensions (WxHxD)17.4 in x 1.7 in x 16.9 in Manufacturers Specs