General Information Enhanced Scalability and Network Convergence for Growing Businesses The ProSafe Gigabit Stackable Smart Switch family is unique in delivering the scalability, reliability, and performance growing small and medium-sized businesses need in an affordable and easy-to-manage package. The NETGEARs Second Generation of these Stackable Smart Switches consists of 4 models in 28/52-port configuration with or without PoE option. They come with more port density and a total of 6 SFP ports for fiber connectivity. Among them, 2 are shared, and the other 4 are dedicated for either stacking or uplinks. This new generation of Stackable Smart Switches offers more flexibility and scalability that will make it easier and non-interruptive for growing businesses to expand their network capacity. Interfaces/Ports Total Number of Network Ports: 46 Token Ring Port: No LRE Port: No Uplink Port: Yes Bypass: No Modular: No Management Port: Yes USB: No Stack Port: Yes Number of Network (RJ-45) Ports: 48 Media & Performance Media Type Supported: Twisted Pair Ethernet Technology: Gigabit Ethernet Network Technology: 10/100/1000Base-T I/O Expansions Number of Total Expansion Slots: 6 Expansion Slot Type: SFP Shared SFP Slot: Yes Number of SFP Slots: 6 Network & Communication Layer Supported: 2 Management & Protocols Manageable: Yes Management: Web Based Management SNMP v1, v2c, v3 RMON DHCP VLAN Memory Standard Memory: 128 MB Memory Technology: DDR SDRAM Flash Memory: 32 MB Reliability MTBF: 303220 Hour Power Description PoE (RJ-45) Port: No Input Voltage: 110 V AC Input Voltage: 220 V AC Power Source: Power Supply Physical Characteristics Form Factor: Rack-mountable Form Factor: Desktop Height: 1.7″ Width: 17.3″ Depth: 10.1″ Weight (Approximate): 9.50 lb Miscellaneous Package Contents: ProSafe Gigabit Stackable Smart Switch GS752TS 1 x 2.5 G SFP Direct Attach Cable for Stacking Rubber Footpads Power Cord Rack-Mount Kit Resource CD Installation Guide Warranty/Support Information Card Certifications & Standards: IEEE 802.3 IEEE 802.3u IEEE 802.3ab IEEE 802.3z IEEE 802.3x IEEE 802.3az IEEE 802.3ad IEEE 802.1D IEEE 802.1w IEEE 802.1s CE mark, commercial FCC Part 15 Class A VCCI Class A EN 55022 (CISPR 22) EN 55024 (CISPR 24) C-Tick CCC System Requirements: Category 5 UTP Network cables or better Network card for each PC Network software (e.g., Windows XP, IE7+, Firefox 3+) Environmentally Friendly: Yes Environmental Certification: RoHS Environmental Certification: WEEE Warranty Limited Warranty: Lifetime Product images may differ from actual product appearance.