Spectrum Digital RS485 User manual
RS485 Cable System User’s Guide 1 AppBox
RS485 Cable
For AppBox
System User’s Guide
RS485 Cable System User’s Guide 2 AppBox
Notice !
Spectrum Digital, Inc (SDI) provides the enclosed product under the following conditions:
The user/customer assumes ALL responsibility and liability for the proper use, storage, and safe handling
of the product. Further, the user indemnifies SDI from all claims arising from the use, installation, storage,
and handling of the product. Due to the flexibility and open construction of the product, it is the user’s
responsibility to take all appropriate precautions with regard to powering, attachment of cables,
connection to other equipment, and electrostatic discharge.
Except to the extent of the indemnity set forth above, neither party shall be liable to the other for any
indirect, special, incidental, or consequential damages.
SDI assumes no liability for applications assistance, customer product design, system and software
performance, or infringements of patents or services described herein.
No license is granted under any patent right or other intellectual property right of SDI covering or relating
to any machines, process, software, or combination in which such SDI products or services might be or
are used.
SDI currently deals with a variety of customers for products, and therefore our arrangement with the
reseller, customer, or user is not exclusive.
Please refer to the product web page on the SDI web site for warranty period.
The warranty and return policy are described on the SDI web site.
Mailing address:
Spectrum Digital, Inc
PO Box 1559
Sugar Land, TX. 77487-1559
Web site: www.spectrumdigital.com
Sales: [email protected]
Support: support@spectrumdigital.com
Copyright Spectrum Digital Inc, © 2020
519178-0001
RS485 Cable System User’s Guide 3 AppBox
Table of Contents
Section Title Page
1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1 RS485 Cable Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 RS485 Cable Product Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.3 RS485 Cable Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.4 RS485 Cable AppBox / Distribution Box Connector . . . . . . . . . . . . . . . . . 5
1.5 RS485 Cable RS485 Device Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.6 RS485 Cable Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
RS485 Cable System User’s Guide 4 AppBox
1.0 Introduction
This document describes the RS485 cable (Part/SKU #: 703917-0001) used with the AppBox. This cable
brings the RS485 signals off the AppBox C21/D21/E54/E70 J2 connector or J2 image connector on the
Distribution Box to a device that has a RS485 interface.
1.1 RS485 Cable Features
This RS485 cable has the following features:
Mates with AppBox J2 connector or Distribution Box
Mates with RS485 device
Length: 3 foot (36 in / 91 cm)
The two diagrams below show the use of the RS485 cable.
AppBox with RS485 Cable
RS485 Device
AppBox C21/D21/E54/E70
J2 Connector
RS485 Cable
9 Pin male
D-sub on
cable
9 Pin female
D-sub on
device
AppBox with Distribution Box and RS485 Cable
Distribution Box AppBox C21/D21/E54/E70
J2 Connector
AppBox Cable
RS485 Cable
9 Pin female
D-sub on
device
RS485
Device
9 Pin male
D-sub on
cable
RS485 Cable System User’s Guide 5 AppBox
1.2 RS485 Cable Product Contents
The following items are contained in the RS485 cable product (Part/SKU #: 703917-0001):
RS485 cable in bag
Product information card
1.3 RS485 Cable Compatibility
The RS485 Cable is designed to work with the following products which can be ordered from Spectrum
Digital or authorized resellers:
Accessory Description Part/SKU Number
AppBox C21 703909-0001
AppBox D21 703910-0001
AppBox E54 703919-0001
AppBox E70 703911-0001
1.4 RS485 Cable AppBox / Distribution Box Connector
The RS485 cable end which plugs into the AppBox J2 connector or Distribution Box is a molded 10 pin
(2 rows x 5 pin) connector. A view of this connector is shown below.
The following table shows the signals present on the RS485 cable at the AppBox J2 connector end
RS485 Cable J2 Connector End
Pin number Signal name
1 RS485_A
2 RS485_B
3 DGND
4 No connect
5 No connect
6 No Connect
7 No connect
8 No Connect
9 No connect
10 No connect
Pin 1
Plastic hook
RS485 Cable Connector J2 End
(connector view)
Pin 5
Pin 4
Pin 10
Pin 6
RS485 Cable System User’s Guide 6 AppBox
1.5 RS485 Cable RS485 Device Connector
The RS485 cable end which plugs into a RS485 device is a female 9 pin D-sub connector. A view of this
connector is shown below.
The following table shows the signals present on the RS485 cable at the RS485 Device end.
RS485 Cable Device End
Pin number Signal name
1 DGND
2 No Connect
3 No connect
4 No connect
5 RS485_B
6 No Connect
7 No connect
8 No Connect
9 RS485_A
1.6 RS485 Cable Schematics
The following pages contain the schematics for the RS485 cable.
Pin 1 Pin 5
Pin 9Pin 6
RS485 Cable Connector RS485 Device End
(connector view)
ScrewScrew
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
MOLEX
MODBUS over Serial Line
Specification and Implementation Guide
V1.02
pin no.5 = B ( YELLOW or WHITE )
pin no.9 = A ( BROWN or RED )
pin no.1 = Ground ( GREY or BLACK )
DB9 MALE
1 MeterLabel
Spectrum Digital
RS485 Cable
Part #519175 A
J1
J2
TE TOOLING
CRIMP TOOL 58448-2
EXTRACTION TOOL 91285-1
APPLICATOR 2151496-1
MOLEX TOOLING
SERVICE CRIMP TOOL 063811-1000
HAND CRIMP TOOL 0638190901
EXTRACTION TOOL 0011030044
APPLICATOR 63902-3900
LABEL CONTENTS
TE Strip Length
2.14 - 2.64 mmConductor
Jacket
Molex Strip Length
3.00 mm
29.21 mm
Conductor
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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
WIRE COLOR
1 BLACK
2 WHITE
3 RED
4 GREEN
BELDEN 9534
COLOR
RED
WHITE
BLACK
WIRE TABLE
J1
1
2
3
J2
9
5
1
SIGNAL
RS485_A
RS485_B
GROUND
RS485_A
RS485_B
RS485_A
RS485_B
GROUND
GROUND
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J2
CONN DSUB 9-P MALE
1
6
2
7
3
8
4
9
5
J1
MOLEX 39012100
2
3
4
1
5
6
7
8
9
10
RS485 Cable System User’s Guide 9 AppBox
Spectrum Digital, Inc
PO Box 1559
Sugar Land, TX. 77487-1559
Web site: www.spectrumdigital.com
Sales: [email protected]
Support: [email protected]
Copyright Spectrum Digital Inc, © 2020
519178-0001
Table of contents
