Enterasys Networks Enterasys SecureStack B2 B2G124-24 - Manual (Page 22)

Overview
1-2 Introduction
Overview
The B2G124‐24, B2G124‐48, and B2H124‐48 are stackable Fast Ethernet and Gigabit
Ethernet switches, which can be adapted and scaled to help meet your network needs.
These switches provide a management platform and uplink to a network backbone for a
stacked group of up to eight B2 switches. The four built‐in Small Form Pluggable (SFP)
interface slots provide you with the option of installing Mini‐GBICs for 1000BASE‐SX/LX
fiber‐optic connections and 1000BASE‐T copper connections.
The switches also support the use of a redundant DC power supply to help prevent
downtime due to an internal power supply failure in the switch or AC power source.
You can install the switch on a flat surface or into a standard 19‐inch rack with user‐
supplied mounting hardware, and configure the switch functions using the WebView™
application, CLI switching commands, and/or SNMP.
B2G124-24 and B2G124-48
The B2G124‐24 ( Figure 1‐1 ) and B2G124‐48 ( Figure 1‐2 ) have several types of front and
rear panel port connections, which include:
• RJ45 ports (10/100/1000 Mbps, 1000BASE‐T copper ports), 24 on the B2G124‐24 and 48
on the B2G124‐48
• SFP slots that provide you with the option of installing Small Form Pluggable (SFP)
Mini‐GBICs for 1000BASE‐SX/LX fiber‐optic connections and 1000BASE‐T copper
connections.
• Rear panel connectors for high‐speed connections in a stack configuration
• Rear panel Redundant Power Supply connector for a connection to a SecureStack
C2RPS‐SYS power supply system using the appropriate cable (C2RPS‐PSM).
The 10/100/1000 Mbps fixed front panel ports can operate in either half‐duplex or full‐
duplex mode, as determined by Auto‐Negotiation.
Caution: The B2G124-24, B2G124-48 and B2H124-48 are not PoE-compliant devices.
Do not connect a SecureStack C2 PoE Redundant Power System (C2RPS-POE) to the
power connector. Otherwise, damage to the device may result.
Precaución: Los dispositivos B2G124-24, B2G124-48 y B2H124-48 no cumplen con el
estándar PoE (power over ethernet). No conecte una fuente de poder redundante (RPS)
SecureStack C2 PoE (C2RPS-POE) al cable de corriente. De lo contrario, el dispositivo
puede dañarse.
Note: The Mini-GBIC ports cannot be active simultaneously with their corresponding
10/100/1000BASE-T ports. For example, if SFP port 24 establishes a link first on the
B2G124-24, the 10/100/1000BASE-T built-in RJ45 port 24 is not available and vice-versa.