Datasheet

Security
IEEE 802.1x Port Authentication
MAC-based Port Authentication
RADIUS Client
Password protection (encryption)
Secured Shell (SSHv2)
Syslog
Dynamic VLAN Assignment (RFC3580)—Release 1.1
Optional Secure Networks Policy License
Multiple User RFC3580 Authentication per gigabit port
RFC and MIB Support
RFC 826—ARP and ARP Redirect
RFC 951, RFC 1542—DHCP/BOOTP relay
RFC 2131, RFC 3046—DHCP client/relay
RFC 2819—RMON-MIB
RFC 1213—RFC1213-MIB/MIB II
RFC 1493—BRIDGE-MIB
RFC 2233—IF-MIB
RFC 2674—P-BRIDGE-MIB
RFC 2674—QBRIDGE-MIB VLAN Bridge MIB
IEEE 802.1X MIB—Port Access
RFC 2620—RADIUS Accounting Client MIB
RFC 2618—RADIUS Authentication Client MIB
RFC 2933—IGMP MIB
RFC 3580
RFC 2271 SNMP Framework MIB
RFC 2668 Ethernet Like MIB
RFC 2737 Entity MIB (physical branch only)
RFC 2863 If MIB
RFC 3289 DiffServ MIB
RFC 3413 SNMP Applications MIB
RFC 3414 SNMP Usm MIB
RFC 3515 SNMP Vacm MIB
RFC 3584 SNMP Community MIB
RFC 3621 Power over Ethernet MIB
IEEE 802.3ad MIB LAG MIB
Enterasys VLAN Authorization MIB
Enterasys Entity MIB
Enterasys Policy MIB—Optional License
Physical Specifications
Safety
UL 60950, CSA 60950, EN 60950, EN 60825, IEC 60950
Electromagnetic Compatibility
47 CFR Parts 2 and 15, CSA C108.8, EN 55022, EN 55024, EN
61000-3-2, EN 61000-3-3, AS/NZS CISPR 22, VCCI V-3
Environmental Specifications
Power Requirements
Nominal Input Voltages: 100V to 240V
Input Frequency: 47Hz to 63Hz
Temperature
IEC 68-2-14; Standard Operating: 0° C to 40° C (32° F to 104° F);
Non-operating: -40° C to 70° C (40° F to 158° F)
Humidity
10% to 90% (Non-condensing)
Vibration
IEC 68-2-36, IEC 68-2-6
Shock
IEC 68-2-29
Drop
IEC 68-2-32
SpecicationsforEachSwitch
B2H124-48 SecureStack B2 Switch
Dimensions (H x W x D)
44.1 cm (17.36”) x 4.4 cm (1.73”) x 36.85 cm (14.51”)
Weight
5.27 kg (11.61 lbs)
Physical Ports
48 10/100 auto-sensing, auto-negotiating
MDI/MDI-X RJ45 ports
4 SFP Mini-GBIC ports
2 stacking ports
1 DB9 console port
1 RPS port
Heat Dissipation
205 BTU/HR
MTBF (predicted)
138,741 hours