HP J4904A 10/100/1000Mbps ProCurve Switch 2848 44 RJ-45 Gigabit ports + 1 RS-232C DB-9 console port + 4 Dual Personality Ports 8 MB Flash capacity
64 MB SDRAM
VPN: J4904AVendor: HP
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Product Specifications
| Model | |
| Brand | HP |
| Model | J4904A |
| Spec | |
| Standards | IEEE 802.1w Rapid Convergence Spanning Tree IEEE 802.1AB Link Layer Discovery Protocol IEEE 802.1X Network Login IEEE 802.1Q VLAN tagging IEEE 802.1p Priority IEEE 802.3x Flow ControlIEEE 802.1D Spanning Tree IEEE 802.3ad Link Aggregation Control Protocol IEEE 802.1Q VLANs IEEE 802.1Q GVRP |
| Ports | 44 RJ-45 10/100/1000 ports (IEEE 802.3 Type 10Base-T, IEEE 802.3u Type 100Base-T, IEEE 802.3ab Type 1000Base-T) 1 RS-232C DB-9 console port4 Dual Personality Ports each port can be used as either an RJ-45 10/100/1000 port or an open mini-GBIC slot (for use with mini-GBIC transceivers) |
| Speed | 10/100/1000Mbps |
| Buffer Memory | 8 MB Flash capacity64 MB SDRAM |
| Protocols | RFC 783 TFTP RFC 1542 BootP RFC 768 UDP RFC 793 TCP RFC 2030 Simple Network Time Protocol DHCP Relay RFC 3376 IGMPv1/v2/v3 RFC 2138 RADIUS SSHv2 Secure Shell HTML and telnet management RFC 1213 MIB II RFC 2737 Entity MIB RFC 2665 Ethernet MIB XRMON RFC 2021 RMON probe configuration (RMON v2) RFC 2613 SMON RFC 2618 RADIUS Client MIB RFC 951 BootP RFC 854 Telnet RFC 792 ICMP RFC 826 ARP RFC 3046 DHCP Relay Agent Information Option 82RFC 1492 TACACS+ RFC 2866 RADIUS accounting Secure Sockets Layer (SSL) SNMPv1/v2c/v3 RFC 1493 Bridge MIB RFC 2096 IP Forwarding Table MIB RFC 2863 Evolution of Interface RFC 2819 Four groups of RMON: 1 (statistics), 2 (history), 3 (alarm) and 9 (events) sFlow RFC 2668 802.3 MAU MIB RFC 2674 802.1p and IEEE 802.1Q Bridge MIB RFC 2620 RADIUS Accounting MIB |
| Security | Secure Shell (SSHv2): encrypts all transmitted data for secure CLI remote access over IP networks Secure Sockets Layer (SSL): encrypts all HTTP traffic, allowing secure access to the browser-based management GUI in the switch Secure FTP: allows secure file transfer to/from the switch (protects against unwanted file downloads or unauthorized copying of switch configuration file) |
| VLAN Support | Yes |
| Power | Voltage: 100-127 VAC/200-240 VACCurrent: 1.0 A /0.5 APower: 83 WFrequency: 50/60 Hz |
| Dimensions | 17.3" x 16.9" x 1.8" |
| Weight | 10.8 lbs. |
| Temperature | 0° to 55° C (32° to 131° F) |
| Humidity | 15 % to 95 % at 104 °F (40 °C), noncondensing |
| Features | |
| Features | 96 Gbps backplane with up to 69.8 million pps: ten times the bandwidth for low-latency throughputDual-personality functionalityOptional external redundant power supplyBasic IP routingIP multicast (data-driven IGMPv3)802.3ad Link Aggregation Protocol (LACP) and ProCurve trunkingTACACS+: eases switch management security administration by using a password authentication server802.1v protocol VLANsGroup VLAN Registration Protocol (GVRP)802.1w Rapid Convergence Spanning Tree Protocol802.1s Multiple Spanning TreePer-port broadcast throttlingFriendly port names: allows assignment of descriptive names to ports Dual flash imagesIEEE Auto-MDIXSource port filtersPort security: prevents unauthorized access using MAC address lockdown Web-based authenticationMAC address lockoutTraffic prioritization (802.1p)Layer 4 prioritizationClass of Service (CoS)VLAN support and taggingJumbo frames: allow high-performance remote backup and disaster recovery servicesRMON, XRMON, sFlow, and SMON: provide advanced monitoring and reporting capabilities for statistics, history, alarms, and eventsiSCSI supportTroubleshooting: ingress/egress port monitoring enables network problem-solving Optional redundant power supplyStacking capability |
| Manufacturer Warranty | |
| Parts | 1 year |
| Labor | 1 year |