Product Introduction

Table 1-1. Front Panel LEDs and Connectors

Item

Icon

Name

Description

 

 

 

 

 

 

 

 

7

 

 

 

 

 

Port 2 Serial Line

Indicates self-test pass or failure.

 

 

 

 

 

 

OK LED (for

 

 

 

 

 

 

 

SSR-520)

 

 

 

 

 

 

 

ISDN Port OK

Indicates self-test pass or failure.

 

 

 

 

 

 

(for SSR-510)

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

Port 2 Serial Line

Indicates operation mode on port 2.

 

 

 

 

 

 

Activity Indicator

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(for SSR-520)

 

 

 

 

 

 

 

ISDN Activity

Indicates operation mode on ISDN

 

 

 

 

 

 

Indicator (for

port.

 

 

 

 

 

 

SSR-510)

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

Twisted Pair

Connects the router to a 10BaseT

 

 

 

 

 

 

(10BaseT)

network.

 

 

 

 

 

 

Connector

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

Synchronous

These ports support the EIA530A,

 

 

 

 

 

 

Serial Port

RS232/V.28, RS422/V.11, V.35, X.21

 

 

 

 

 

 

Connectors

Leased Lines (LL), RS423/V.10

 

 

 

 

 

 

(labeled 1 and 2

 

 

 

 

 

 

 

for SSR-520)

 

 

 

 

 

 

 

 

 

11

 

 

 

 

 

Console Port

Connects a console terminal that is

 

 

 

 

 

 

Connection

used to manage the console. Uses an

 

 

 

 

 

 

 

 

 

 

 

 

 

8-pin MJ connector.

 

 

 

 

 

 

 

 

12

 

 

 

 

 

Dump Button

Forces a dump of router memory.

 

 

 

 

 

 

 

 

 

 

 

 

Refer to the Distributed Router

 

 

 

 

 

 

 

Software System Software Guide for

 

 

 

 

 

 

 

more information.

 

 

 

 

 

 

 

 

13

 

 

 

 

 

Ethernet Network

Connects the router to the dedicated

 

 

 

 

 

 

Connector (BNC)

Ethernet segment. Not used when the

 

 

 

 

 

 

 

router is connected through the

 

 

 

 

 

 

 

twisted pair (10BaseT) connector.

 

 

 

 

 

 

 

 

14

 

 

 

 

 

Ethernet Label

Lists the Ethernet address of the

 

 

 

 

 

 

 

module.

 

 

 

 

 

 

 

 

15

 

 

 

 

 

ISDN Connection

Connects the module to an ISDN

 

 

 

 

 

 

(labeled 2 for

segment. Uses an 8-pin MJ connector.

 

 

 

 

 

 

SSR-510)

 

 

 

 

 

 

 

 

 

1-6

Page 26
Image 26
Cabletron Systems 510, 520 manual Refer to the Distributed Router

510, 520 specifications

Cabletron Systems was a prominent player in networking technology during the late 20th century, particularly known for its innovative products aimed at improving data transmission capabilities in enterprise environments. Among its notable offerings were the Cabletron Systems 520 and 510 series, which stood out for their advanced features and robust performance.

The Cabletron 520 was designed to enhance network efficiency and reliability, serving as a multiport bridge or router. Its architecture supported a range of network protocols, allowing organizations to seamlessly integrate various devices and systems. The 520 series was particularly noted for its ability to manage traffic efficiently, thanks to its built-in packet filtering and forwarding capabilities. This made it an ideal choice for enterprises looking to streamline their network operations while ensuring high availability.

In contrast, the Cabletron 510 served as a versatile switching device capable of supporting Ethernet and Token Ring technologies. The 510 model featured multiple ports, facilitating extensive connectivity options that enabled a greater number of users to access network resources simultaneously. Its ability to dynamically allocate bandwidth was a key characteristic, ensuring that critical applications received the necessary resources while minimizing latency for other users.

One of the standout features of both models was their scalability. Organizations could begin with a certain number of ports and expand their network infrastructure as needed without requiring a complete overhaul. This flexibility was crucial for businesses experiencing growth or changes in their networking needs.

Security was another area where the Cabletron systems excelled. They incorporated several hardware and software mechanisms for secure data transmission, including support for virtual LANs (VLANs) and access control lists (ACLs). These features allowed administrators to define rules for data traffic, enhancing the overall security posture of the network.

Overall, Cabletron Systems’ 520 and 510 series represented a significant advancement in networking technology during their time. With their focus on performance, scalability, and security, these products offered organizations the tools they needed to build and maintain efficient and reliable networks. The innovations introduced by Cabletron set a high standard, influencing the development of subsequent networking devices and technologies.