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Modem, Fiber optic, Signal termination between two (or more) signs – Daktronics AF-3065-34-RGB User Manual

Page 24: Rs422 interconnection, Modem -8, Fiber optic -8, Signal termination between two (or more) signs -8, Rs422 interconnection -8

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Signal Converter (J4/J5)

Field Cabling

Terminal Block TB2 (RS422

In)

Pin 1 (GND)

Red

Pin 1 (GND)

Pin 2 (RX-P)

Black

Pin 2 (TX-P)

Pin 3 (RX-N)

Brown

Pin 3 (TX-N)

Pin 4 (TX-P)

White

Pin 4 (RX-P)

Pin 5 (TX-N)

Blue

Pin 5 (RX-N)

Green

Pin 6 (GND)

Pin 6 (GND)

Bare (Shield)

N.C.


Modem
In a display that uses a modem, Signal In routes first to a telecommunications connector and
terminated per the table below. A 6-conductor phone cord with RJ11 connectors (part number 0A-
1137-0160) relays the signal to the modem (refer to Drawing A-125900). A second phone cord
(0A-1137-0160) transfers the data from the modem to J1 (RS232 IN) on the controller.

Terminal Block

TB31

Function

Pin 1

Pin 2

Pin 3

TIP-P

Pin 4

Ring-P

Pin 5

Pin 6


Fiber Optic
When fiber optic cables are used, signal from the converter enters the fiber board (J4/J5). An
adapter module (Daktronics part number 0A-1146-0029) allows the use of a 6-conductor phone
cord with RJ11 connectors (part number 0A-1137-0160) to relay the signal to J1 (RS232 IN) on
the controller.

Signal Converter

Field Cabling

Sign A Data In

J2 (TX1)

J5 (RX2)

J3 (RX1)

J4 (TX2)

3.8 Signal Termination Between Two (or More) Signs


Reference Drawings:

System Riser Diagram, RS232.............................................................. Drawing A-96058

System Riser Diagram, RS422.............................................................. Drawing A-92681

System

Riser

Diagram, Modem............................................................. Drawing A-88426

System Riser Diagram, Fiber .............................................................. Drawing A-110559
Schematic; Fiber/Modem Input............................................................ Drawing A-125900

Signal

Input, Venus 1500 .................................................................... Drawing A-129110


RS422 Interconnection
This is the most common method of terminating signal between two or more displays. A 6-
conductor cable is used and one end terminates at the “RS422 OUT” 6-position terminal block
(TB3) on the first display. The other end terminates at the “RS422 IN” 6-position terminal block
(TB2) in the second display.

Electrical Installation

3-8

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