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4G Modem With Quick Connect Installation 

Quick Guide

DD3486291
Rev 06
28 November 2018

201 Daktronics Drive

Brookings, SD 57006-5128

www.daktronics.com/support

800.325.8766

Page 1 of 3

Install the SIM Card

1. 

Turn off power to display.

2. 

Remove the three screws that hold 

the modem inside the watertight 

enclosure. Refer to 

Figure 1

3. 

Remove the two screws that secure 

SIM card cover. Refer to 

Figure 2

.

4. 

Gently slide the card into the upper 

slot - the primary SIM - until it stops 

and locks into place. Note the 

location of the notched corner for 

correct alignment. The gold contact 

points of the SIM card face down.

5. 

Replace the SIM card cover.

6. 

Secure the modem in the enclosure using the three screws removed in Step 2.

7. 

Turn on power to the display.

Install the Cellular Modem at the Display

If this is a new installation, work with 

your service provider to activate 

cellular service for the modem. 

1. 

Temporarily mount the cellular 

modem in the desired location 

with the antenna pointing 

upward, as shown in 

Figure 3

and within 25 feet of the 

display. 

2. 

Plug the serial and power cable 

into the quick-connect jack 

labeled J33 Aux on the back of 

the display. Refer to 

Figure 3

3. 

Plug the Ethernet cable into the quick-connect jack labeled J32 Ethernet In on the back of the 

display. Refer to 

Figure 3

4. 

Check signal and network LED indicators for strength per the table that follows. Ideally there should 

be solid green LEDs lit for signal and network.

5.  Permanently fasten the modem vertically with the antenna pointing upward

 once it has been 

proven effective in the location.

Note: 

The cellular modem is mounted in a watertight enclosure and should not need additional 

protection from the elements. The cable is also rated for outdoor use and does not need 

to be in conduit. If conduit is not used, secure the cable to protect it from weather and 

vandalism.

Figure 1: 

Remove Modem

Modem

SIM Card

Cover

SIM

Card

Figure 2: 

Install SIM Card

Antenna

Cable

Antenna

Power

Serial

and

Power

Ethernet

J32

J33

Figure 3: 

Cellular Antenna Installation Front View

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