3Com 3CRS48G-48P-91 Data Sheet - Page 7

7 3COM SWITCH 4800G GIGABIT FAMILY SPECIFICATIONS (continued) DC-rated voltage range (for RPS) Switch 4800G 24-Port: 10.8 to 13.2 Switch 4800G 48-Port: 10.8 to 13.2; -52 to -55 Switch 4800G PWR 24-Port: -52 to -55 Switch 4800G PWR 48-Port: -52 to -55;-48 to -60 Switch 4800G 24-Port SFP: -48 to -60 Power consumption (max) Switch 4800G 24-Port: 67 W Switch 4800G 48-Port: 114 W Switch 4800G PWR 24-Port: 93 W, plus up to 370 W for PoE Switch 4800G PWR 48-Port: 147 W, plus up to 370 W for PoE Switch 4800G 24-Port SFP: 68 W Optional RPS available to provision additional PoE power to ports (PWR models only) ENVIRONMENTAL REQUIREMENTS Operating temperature: 0° to 45°C (32° to 113°F) Operating humidity: 10% to 90% non-condensing Heat dissipation (max) Switch 4800G 24-Port: 227 BtU/hour Switch 4800G 48-Port: 389 BtU/hour Switch 4800G PWR 24-Port: 316 BtU/hour; excludes heat from PoE Switch 4800G PWR 48-Port: 502 BtU/hour; excludes heat from PoE Switch 4800G 24-Port SFP: 231 BtU/hour RELIABILITY 24-port: 42 years (374,000 hours) 48-port: 37 years (328,000 hours) 24-port PWR: 44 years (389,000 hours) 48-port PWR: 35 years (307,000 hours) 24-port SFP: 36 years (322,000 hours) EMISSIONS/AGENCY APPROVALS CiSPR 22 Class A FCC Part 15 Class A En 55022 1998 Class A En 61000-3-2 2000, 61000-3-3 iCES-003 Class A VCCi Class A IMMUNITY En 55024 SAFETY AGENCY CERTIFICATIONS UL 60950 iEC 60950-1 En 60950-1 CAn/CSA-C22.2 no. 60950-1-03 STANDARDS AND PROTOCOLS IEEE standards iEEE 802.1AB (LLDP) iEEE 802.1ag Service Layer OAM iEEE 802.1D (StP) iEEE 802.1p (CoS) iEEE 802.1 PAE (PAE MiB) iEEE 802.1Q GVRP (GVRP) iEEE 802.1s (MStP) iEEE 802.1v (Protocol-based VLAns) iEEE 802.1w (RStP) iEEE 802.1X (network Login) iEEE 802.3 LAG (LAG MiB) iEEE 802.3ab (1000BASE-t) iEEE 802.3ac (VLAn tagging Extension) iEEE 802.3ad (Link Aggregation) iEEE 802.3ae (10 Gigabit Ethernet) iEEE 802.3af (Power over Ethernet) iEEE 802.3ag Ethernet OAM iEEE 802.3ah (Ethernet in First Mile over Point to Point Fiber - EFMF) iEEE 802.3i (10BASE-t) iEEE 802.3u (Fast Ethernet) iEEE 802.3x (Flow Control) iEEE 802.3z (Gigabit Ethernet) RFC standards RFC 768 (UDP) RFC 791 (iP) RFC 792 (iCMP) RFC 793 (tCP) RFC 826 (ARP) RFC 854 and RFC 856 (tELnEt) RFC 925 (Multi-LAn Address Resolution) RFC 950 (iP Datagram Forwarding) RFC 951 (BootP) RFC 1058 (RiP v1) RFC 1122 (iP Options) RFC 1141 (iP Datagram Forwarding) RFC 1157 (SnMPv1/v2) RFC 1212 (Concise MiB Definitions) RFC 1213 (SnMP MiB ii) RFC 1215 (SnMP traps) RFC 1253 (OSPFv2 MiB) RFC 1305 (ntPv3) RFC 1350 (tFtP) RFC 1389 (RiP MiB) RFC 1492 (hWtACACS) RFC 1493 (Bridge Definitions) RFC 1519 (CiDR) RFC 1542 (BootP) RFC 1587 (OSPF nS SA) RFC 1657 (BGP-4 MiB) RFC 1723 (RiPv2) RFC 1724 (RiPv2 MiB Extension) RFC 1757 (RMOn i MiB) RFC 1771 (BGP) RFC 1812 (iPv4 Router Compliance) RFC 1850 (OSPFv2 MiB) RFC 1881 (iPv6 Address Allocation Management) RFC 1886 (iPv6 DnS Extensions) RFC 1887 (iPv6 Unicast Address Allocation Architecture) RFC 1901 (SnMPv2) RFC 1907 (SnMPv2c, SMiv2 and Revised MiB-ii) RFC 1918 (Private internet Address Allocation) RFC 1981 (iPv6 Path MtU Discovery) RFC 2096 (iP Forwarding table MiB) RFC 2012 (tCP SnMPv2 MiB) RFC 2080 (iPv6/RiPng) RFC 2131 (DhCP Client) RFC 2233 (MiB) RFC 2236 (iGMP Snooping) RFC 2284 (EAP over LAn) RFC 2328 (OSPFv2) RFC 2373 (iPv6 Addressing Architecture) RFC 2375 (iPv6 Multicast Address Assignments) RFC 2401 (iP Security Architecture) RFC 2402 (iP Authentication header) RFC 2406 (iP Encapsulating Security Payload) RFC 2409 (iKE) RFC 2452 (tCP/iP) RFC 2454 (UDP6) RFC 2460 (iPv6 Specification) RFC 2461 (iPv6/nD) RFC 2462 (iPv6 Stateless Address Auto-configuration) RFC 2463 (iCMPv6) RFC 2464 (iPv6 Over Ethernet) RFC 2465 and 2466 (iPv6 MiB) RFC 2474 (DSCP Diffserv) RFC 2475 (iPv6 Diffserv Architecture)