1-1
Chapter 1: Introduction
Overview
The Gigabit Ethernet Switches are intelligent multilayer switches (Layer 2, 3) with
24 10/100/1000BASE-T ports, four of which are combination ports
*
that are shared
with four SFP transceiver slots (see Figure 1-1, Ports 21-24). The rear panel
provides a slot for single-port 10 Gigabit Ethernet hot-swappable expansion module,
and two stacking ports. Units are stackable up to eight high through built-in stacking
ports that provide a 40 Gbps stack backplane.
The switch systems include an SNMP-based management agent embedded on the
main board, which supports both in-band and out-of-band access for managing the
switch stack.
This switch system can easily tame your network with full support for Spanning Tree
Protocol, Multicast Switching, Virtual LANs, and IP routing. They bring order to
poorly performing networks by segregating them into separate broadcast domains
with IEEE 802.1Q compliant VLANs, empower multimedia applications with
multicast switching and CoS services, and eliminate conventional router
bottlenecks.
These switches can be used to augment or completely replace slow legacy routers,
off-loading local IP traffic to release valuable resources for non-IP routing or WAN
access. With wire-speed performance for Layer 2 and Layer 3, these switches can
significantly improve the throughput between IP segments or VLANs.
Figure 1-1 PowerLION-24TP Front Panel
* If an SFP transceiver is plugged in, the corresponding RJ-45 port is disabled for ports
21-24.
St ack Master
St ac k L ink
St ack ID
Powe r
RPU
Diag
Master
Select
Module
Console
25
26
27
28
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Serial Console Por t
10/100/1000 Mbps RJ-45 Por ts
SFP Slots
Por t Status LEDs
System Status LEDs
St ack ID
Содержание PowerLION-24TP
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