Getting started, Overview, Rs-422 pinouts – Comtrol Cable User Manual

Page 5: Standard comtrol cables, Overview rs-422 pinouts standard comtrol cables

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Getting Started

[Documentation number: 2000430 Rev B] 5

Getting Started

Overview

This document describes how to build cables for Comtrol products.

This chapter describes the standard Comtrol cables and the basic types of devices
that can connect to Comtrol products. It also explains the difference between
shielded and unshielded cables. This chapter covers the following topics:

RS-422 Pinouts

Standard Comtrol Cables

DTE versus DCE

Shielded vs. Unshielded

RS-422 Pinouts

RS-422 pinouts are not the same across Comtrol product lines. For example, a DB9
loopback plug designed for a RocketPort model will not work on a DeviceMaster
model. When you build a cable make sure that you use the correct pinouts for the
Comtrol product. The following sections describes the valid pinouts and cabling for
each product:

Building Cables for RocketPort Products

Building Cables for DeviceMaster Products

Standard Comtrol Cables

The following table displays standard cables for RocketPort products.

Comtrol Product

Cable Type

Connector

Type

Part Number

Cable Length

New Part

Number

Old Part

Number

Feet Meters

RocketPort 4,8,16-port
ISA/PCI, and 8 port
uPCI cables

Interface Cable

DB25 to
DB25

4000025

23601A

3’

0.91

RocketPort Rackmount
Cables

Interface Cable

DB25 to
DB25

4000027

23607A

10’

3.05

RocketPort ISA 32-port,
PCI, uPCI 16/32-port,
CPCI 16-port cables

Interface Cable

DB25 to
DB26

4000030

23701A

3’

a

a. This is a 3 foot cable. If necessary, you can connect a 10 foot DB25 to DB25 cable to extend

the length of the cable.

0.91

Octacable

DB25 male 4000032

23801-0

3.5’

1.06

Octacable

DB9 male

4000033

23901-7

3.5’

1.06

Quadcable

DB25 male 4000034

N/A

3.5’

1.06

Quadcable

DB9 male

4000035

N/A

3.5’

1.06

Octacable

RJ45

4000036

N/A

10”

0.25

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