3Com Switch 7757 Ficha de dados - Página 10

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SPECIFICATIONS

(CONTINUED)

MANAGEMENT

Command Line Interface (CLI)

configuration mode

Configuration via the control console

port

Local/remote configuration via Telnet

Remote configuration via modem dial-

System configuration with SNMP v1,

2 and 3

‡

Secure Shell Version 2 (SSH v2) for

management access

‡

Comprehensive statistics, including

ACL/QoS and IP interface

Remote Monitoring (RMON) groups

statistics, history, alarm and events

System log

Syslog

Detailed alarm and debug information

Front panel indicators for port and

unit status information

Hierarchical alarms; alarm generation

and filtering

Supports ping and traceroute

Configuration file for backup and

restore, stored in non-volatile

memory; multiple configuration files

available

Supports multiple software images and

bank swap, stored in non-volatile

memory

Backup and restore of software images

Network Time Protocol (NTP)

Device Link Detection Protocol (DLDP)

IGMP proxy

DHCP server

DNS client

Port mirroring

Remote port mirroring

Flow-based bandwidth management,

with flows identified through Access

Control Lists (ACLs)

Minimum and maximum thresholds:

64kbit/s increments, 128 traffic classes

per port, 512 flows per class

Random Early Detect/Discard (RED)

queue handling

Queuing algorithms

Strict priority queuing

WRR (Weighted Round Robin)

provided through bandwidth

management

DHCP Relay and UDP Helper

System file transfer mechanisms:

Xmodem, File Transfer Protocol (FTP),

Trivial File Transfer Protocol (TFTP),

Secure File Transfer Protocol (SFTP),

Secure Trivial File Transfer Protocol

(STFTP)

Connectivity: 10BASE-T (RJ-45)

Ethernet, RS-232 control port

Port loopback detection

Cable diagnostic test

‡

SNMP v3 and SSH v2 encryption features are available in the Basic Software with Encryption and Advanced Feature Software versions only.

3Com Management Applications:

• 3Com Enterprise Management Suite

for flexible, extensible management

in advanced enterprise IT

environments

• 3Com Network Director for

comprehensive, turn-key network

management for the enterprise

• 3Com Network Supervisor for basic,

turn-key network management for

mid-market businesses

AVAILABLE SWITCH FABRICS

96 Gbps Switch Fabric

Chassis model compatibility: Switch

7758, 7757 and 7754 and Switch

7708R and Switch 7700 7-slot and

4-slot legacy models

Connections: 4 SFP Gigabit ports

(SFPs sold separately)

CONNECTIVITY

Mix and match in available payload

slots:

48-port 10BASE-T/100BASE-TX

48-port 10BASE-T/100BASE-TX PoE

20-port 10/100/1000BASE-T

48-port 10/100/1000BASE-T

48-port 10/100/1000BASE-T PoE

12-Port 10/100/1000BASE-T & 4-Port

1000BASE-X (SFP)

4-Port 10/100/1000BASE-T & 12-Port

1000BASE-X (SFP)

20-port 1000BASE-X (SFP)

48-Port 100BASE-FX (SFP)

1-port 10GBASE-X (XENPAK)

DIMENSIONS

Switch 7758 8-slot:

Height: 51.9 cm (20.4 in); width: 43.6

cm (17.2 in); depth: 48.0 cm (18.9 in)

Weight (fully loaded chassis): 80 kg

(176 lbs)

Switch 7757 7-slot:

Height: 48.6 cm (19.1 in); width: 43.6

cm (17.2 in); depth: 48.0 cm (18.9 in)

Weight (fully loaded chassis): 70 kg

(154 lbs)

Switch 7754 4-slot:

Height: 35.2 cm (13.8 in); width: 43.6

cm (17.2 in); depth: 48.0 cm (18.9 in)

Weight (fully loaded chassis): 50 kg

(110 lbs)

SWITCH POWER SUPPLY

550 W AC Power Supply; dual power

input connections

Input voltage: 100-240 VAC

autoranging

Operating frequency: 47-63 Hz

Maximum current: 15A at 110 VAC;

7A at 200 VAC

Maximum output power: 460 W

3COM

SWITCH 7750 FAMILY

ENVIRONMENTAL

Operating temperature: 0° to 40°C

(32° to 104°F)

Operating humidity: 5% to 85%

non-condensing

Storage temperature: -40° to 70°C

(-40° to 158°F)

Storage humidity: 10% to 90%

non-condensing

Standard: EN 60068 (IEC 68) compliant

MTBF

Switch 7750 96 Gbps Switch Fabric

(3C16886): 46 years (405,000 hours)

Switch 7750/7700 20-port 100BASE-X

SFP (3C16862A): 68 years (594,000

hours)

Switch 7750/7700 20-port

10/100/1000BASE-T (3C16863A):

59 years (519,000 hours)

Switch 7750/7700 1-port 10GBASE-X

XENPAK (3C16875A): 61 years

(539,000 hours)

Switch 7750/7700 48-port

10/100/1000BASE-T (3C16888):

48 years (418,000 hours)

Switch 7750/7700 48-port

10/100BASE-TX (3C16889):

48 years (421,000 hours)

Switch 7750 48-port

10/100/1000BASE-T PoE (3C16890):

39 years (342,000 hours)

Switch 7750 48-port 10/100BASE-TX

PoE (3C16891): 44 years (389,000

hours)

Switch 7750/7700 48-port 100BASE-X

SFP (3C168915): 74 years (653,000

hours)

Switch 7750/7700 4-port

10/100/1000BASE-T & 12-port

1000BASE-X SFP (3C168916): 72 years

(628,000 hours)

Switch 7750/7700 12-port

10/100/1000BASE-T & 4-port

1000BASE-X SFP (3C168917): 66 years

(576,000 hours)

Switch 7750 External PoE Power Rack

(3C16883): 18 years (158,000 hours)

Switch 7750/8800 PoE Power Supply

Unit (3C16884): 43 years (375,000

hours)