WPIM Cable Specifications

EIA-449

Table 38 shows the connector number, cable assembly description, and connector type.

 

Table 38 EIA-449 Interface

 

 

 

Connector Number

Cable Assembly Description

Connector Type

 

 

 

 

 

 

1

EIA-530A ALT A to EIA-449

Sub DB 26-pin male connector

 

 

2

DB-37 pin male connector

 

 

 

 

Table 39 provides pin assignments for the EIA-449 interface cable.

Table 39 EIA-449 Interface Cable Pin Assignment

Connector 1 EIA-530A ALT A

 

 

 

Connector 2 EIA-449

 

 

 

 

 

PAIR

 

 

 

 

 

MNEMONIC

DIRECT

NAME

PIN

PIN

NAME

DIRECT

 

MNEMONIC

 

 

 

TO

 

 

 

 

 

TO

 

 

 

 

 

 

 

 

 

 

 

 

BA

DCE

Transmit Data A

2

A

4

Send Data A

DCE

 

SD

 

 

 

 

 

Transmit Data B

14

22

Send Data B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BB

 

Receive Data A

3

B

6

Receive Data A

 

 

RD

 

 

 

 

 

 

 

DTE

Receive Data B

16

24

Receive Data B

DTE

 

 

 

 

 

 

 

 

 

 

 

 

 

CB

Clear to Send A

5

C

9

Clear to Send A

 

CS

 

 

 

 

 

 

 

 

 

 

 

Clear to Send B

13

27

Clear to Send B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CA

DCE

Request to Send A

4

D

7

Request to Send A

DCE

 

RS

 

 

 

 

 

Request to Send B

19

25

Request to Send B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DB

 

Transmit Signal Timing A

15

E

5

Send Timing A

 

 

ST

 

 

 

 

 

 

 

DTE

Transmit Signal Timing B

12

23

Send Timing B

DTE

 

 

 

 

 

 

 

 

 

 

 

 

 

DD

Receive Signal Timing A

17

F

8

Receive Timing A

 

RT

 

 

 

 

 

 

 

 

 

 

 

Receive Signal Timing B

9

26

Receive Timing B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DA

DCE

Transmit Signal Timing A

24

G

17

Terminal Timing A

DCE

 

TT

 

 

 

 

 

Transmit Signal Timing B

11

35

Terminal Timing B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

226

CSX400 and CSX400-DC User’s Guide

Page 239 Page 241
Page 240
Image 240
Cabletron Systems CSX400-DC manual EIA-449 Interface, Connector Number Cable Assembly Description Connector Type
Page 239 Page 241

CSX400-DC, CSX400 specifications

Cabletron Systems was a leading developer of networking solutions, and its CSX400 and CSX200 series of high-performance switches represent some of the key innovations in the field of enterprise networking during their time. Both models were geared towards enhancing network reliability, efficiency, and speed, particularly in environments where heavy data traffic and complex networking demands were prevalent.

The CSX400, designed for larger enterprises, boasts a robust architecture capable of handling significant throughput. One of its standout features is its stackable design, allowing multiple switches to be interconnected and managed seamlessly as a single unit. This scalability provides organizations with the flexibility to expand their networks without significant infrastructure overhauls. The CSX400 supports various Ethernet standards, including 10/100 Ethernet and Gigabit Ethernet, positioning it to effectively manage both legacy and modern networking requirements.

In addition to its scalability, the CSX400 is distinguished by its advanced Layer 2 and Layer 3 routing capabilities. This dual-layer functionality enables efficient data handling and is instrumental in managing traffic between different network segments. Moreover, the switch incorporates features like VLAN (Virtual Local Area Network) support and Quality of Service (QoS) prioritization, allowing for enhanced performance of critical applications and streamlined bandwidth allocation.

On the other hand, the CSX200 series is tailored for smaller enterprises or branch offices needing a reliable yet efficient networking solution. Despite its compact design, the CSX200 is equipped with essential features that promote effective network management and security. It offers a simplified management interface, making it user-friendly for network administrators. The switch also provides essential access control measures, employing technologies like IEEE 802.1X for network access security.

Both the CSX400 and CSX200 prioritize performance through the incorporation of advanced switching technologies. They support features such as Spanning Tree Protocol (STP), enabling loop-free topologies and enhanced network resilience. These attributes are particularly crucial in dynamic networking environments where downtime can have significant repercussions on business operations.

Overall, Cabletron Systems' CSX400 and CSX200 series represent a blend of scalability, advanced routing capabilities, and user-friendly management, making them vital assets for organizations looking to optimize their network infrastructure during a period of rapid technological evolution. With their rich feature sets and unwavering performance, these switches helped pave the way for modern networking solutions that cater to diverse enterprise needs.
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