Netgear 48x 10/100/1000 L2 Manag. Switch s 4 SFP GBIC sloty

48 x 10/100/1000 Layer 2 Managed Switch with 4 SFP GBIC slots

Network Protocol and Standards Compatibility:
IEEE 802.3 10BASE-T
IEEE 802.3u 100BASE-TX
IEEE 802.3ab 1000BASE-T
IEEE 802.3x Flow Control

Management Specifications:
IEEE 802.1Q Static VLAN (Up to 512)
IEEE 802.1p Class of Service (CoS)
EEE 802.3ad Link Aggregation Control Protocol (LACP)
IEEE 802.1D Spanning Tree Protocol
IEEE 802.1w Rapid Spanning Tree
IEEE 802.1s Multiple Spanning Tree
IEEE 802.1x Port Access Authentication
RFC 768 UDP
RFC 854-859 Telnet
IGMP Snooping Support
Port Mirroring Support
RFC 951 BootP
RFC 1157, 1902, 1903, 1904, 1905, 1906, 1907 SNMP v1, v2c, v3
RFC 1213 MIB II-RFC 1215 SNMP Traps
RFC 1215 SNMP Traps
RFC 1493 Bridge MIB
RFC 1534 DHCP and BootP Interoperation
RFC 1643 Ethernet Interface MIB
RFC 1757 RMON groups 1,2,3, and 9
RFC 2131, 2132 DHCP and BootP
RFC 2865 RADIUS-RFC 2998 DiffServ
RFC 2998 DiffServ
RFC 3046 DHCP Relay
Broadcast Storm Protection
Private Enterprise MIB
Broadcast Storm Protection
Weighted Round Robin (WRR) Queuing

Technology
RFC 2030 Simple Network Time Protocol (SNTP)
SYSLOG

User Interfaces:
Command Line Interface (CLI) via console port
Web-based management via embedded HTTP
server protected with Secured Sockets Layer
(SSLv3) or Transport Layer Security (TLS v1)

Telnet remote login (5 sessions) securable with
Secured Shell (SSH v1.5, v2)

Physical Interfaces:
48 RJ-45 connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T (Auto Uplink and auto-negotiate on all ports)
4 SFP connectors for fiber connection (shared with the last four copper ports)
- RS-232 Console Port

LEDs:
Per port: Speed, Link, Activity
Per device: Power, Fan Status

Performance Specifications:
Forwarding modes: Store-and-forward
Bandwidth: 96 Gbps (non-blocking)
Switch latency: Less than 20 microseconds for 64-byte frames
System memory: 64 MB
Packet buffer memory: 122 KB embedded memory per port
Code Storage (Flash): 8 MB
Address database size: 8,000 media access control (MAC) addresses
Addressing: 48-bit MAC address
Number of VLANs: 512 (1-4069)
Number of trunks: 6
Number of Queues: 4
Acoustic noise: (ANSI-S10.12) 47 dB
Heat Dissipation: 28.24 Btu/hr
Mean Time Between Failure (MTBF): 57,800 hours (~ 6.5 years)

Electrical Specifications:
Power Consumption: 90 W maximum
100-240VAC/50-60 Hz universal inputs

Physical Specifications:
Dimensions: H: 1.7" (43 mm), W: 17.32" (440 mm), D: 10.12" (257 mm)
Weight: 9.24 lb (4.2 kg)

Environmental Specifications:
Operating temperature: 0 to 40° C (32 to 104 F)
Storage temperature: -20 to 70° C (-4 to 158 F)
Operating humidity: 90% maximum relative humidity, non-condensing
Storage humidity: 95% maximum relative humidity, non-condensing
Operating altitude: 10,000 ft (3,000 m) maximum
Storage altitude: 10,000 ft (3,000 m) maximum

Electromagnetic Emissions:
CE mark, commercial
FCC Part 15 Class A
VCCI Class A
EN 55022 (CISPR 22), Class A
C-Tick

Electromagnetic Immunity:
EN 50082-1
EN 55024

Safety:
CE mark, commercial
CSA certified (CSA 22.2 #950)
UL listed (UL 1950)/CUL IEC950/EN60950

Warranty:
NETGEAR Limited Lifetime Warranty with free basic installation support for 90 days from date of purchase; optional premium support packages available

Package Contents
GSM7248 ProSafe 48 Port Gigabit L2 Managed Switch
Power cable
Null modem cable
Rubber footpads for tabletop installation
Rack-mount kit
Installation guide
Resource CD
Warranty/Support information card