42CHAPTER 2: I/O AND APPLICATION MODULES

Panel and LEDs Figure 27 3C17538 module panel

The 3C17538 module has one LED for each 1000 Mbps optical port on its panel.

Table 57 Port LEDs on the 3C17538 module

LED

Status

Meaning

 

 

 

LINK/ACT

Solid on

A link is present.

 

Solid off

No link is present.

 

Blinking

The port is transmitting or

 

 

receiving data.

 

 

 

Matching Cable You can select appropriate SFP optical modules for the 1000 Mbps SFP/LC optical ports on the 3C17538 module accordingly to your needs. See Table 64 on page 45 for the available SFP optical modules and their matching cable types.

Application Modules Each Application Module is specially designed for high-speed processing of a certain network service and shares some features with the I/O Modules.

Currently, the following application module are available to the Switch 8800

Family:

3C17542: Network Monitoring Application Module

3C17546: Firewall Application Module

3C1754766: Network Monitoring Application Module

3C17548: VPLS Application Module

3C17542 Network

Monitoring Application

Module

Technical specifications

The 3C17542 Network Monitoring Application Module provides no I/O ports.

Table 58 Technical specifications for the 3C17542

Item

Specifications

 

 

CPU

MPC755

Boot ROM

512 KB

SDRAM

256 MB

Physical dimensions (W x D)

366.7 x 340 mm (14.4 x 13.4 in.)

 

 

Front panel

Figure 28 Front panel of the 3C17542

Page 42
Image 42
3Com 8807, 8814, 8810 manual Front panel, Panel and LEDs 3C17538 module panel, Port LEDs on the 3C17538 module

8810, 8814, 8807 specifications

The 3Com 8814, 8810, and 8807 are renowned products from the networking giant 3Com, which played a significant role in the evolution of networking technology in the early 1990s. These devices were instrumental during a time when organizations were transitioning from traditional communication systems to more sophisticated networking solutions.

The 3Com 8814 is a multi-port networking hub designed for small to medium-sized businesses. One of its main features includes a 10Base-T Ethernet capability, allowing for fast and reliable connectivity among various devices within a local area network (LAN). The 8814 supports up to 14 connections, providing scalability for growing businesses. The hub’s ease of use is notable; it features a plug-and-play design, which aids in quick setup without requiring extensive configuration. This plug-and-play functionality, alongside its robust physical and electrical performance, made the 8814 an appealing choice for organizations looking to enhance their networking infrastructure without significant investment.

Moving on to the 3Com 8810, this device is labeled as an intelligent network switch and ushered in advancements in network management and performance. A critical element of the 8810 is its ability to support both 10/100Base-T Ethernet connections, effectively allowing mixed-speed environments. Its built-in management features, enabled by 3Com's networking technologies, offered users the ability to monitor traffic flow, manage bandwidth allocation, and configure network settings through a user-friendly interface. This switch also incorporated advanced features like VLAN support, increasing security and segmentation within networks, which proved invaluable for sophisticated networking environments.

Lastly, the 3Com 8807 represents a more versatile and high-performance switch option suited for larger networks. This model features a stackable design that allows for a broader range of scalability and redundancy. It supports both fast Ethernet and Gigabit Ethernet, ensuring that organizations can expand their network speeds as needed. The 8807 includes features for enhanced fault tolerance and link aggregation, which bolsters reliability and performance under heavy traffic loads. Its integration with 3Com's Network Management Software provided administrators with unprecedented control over their networks, empowering them to optimize performance and troubleshoot issues effectively.

Overall, the 3Com 8814, 8810, and 8807 exemplified the company's commitment to innovation in networking technology, providing businesses with the tools necessary to develop efficient, scalable, and reliable network infrastructures. Each of these devices played a crucial role in shaping the landscape of networking, emphasizing ease of use, management capabilities, and performance.