Daktronics DF-1030 - Manual (Page 25)

1. Using the DB9M to DB9F serial cable, connect from the DataMaster
controller to the modem/J-box, at the “DB9 Male, DataMaster 100
connect” jack.
2. Connect a phone line from a phone junction box on the wall to the
modem/j-box jack labeled “Phone Line Connection.”
3. Plug the wall pack transformer into the modem/j-box and then into a
120V grounded outlet.
4. At the display, the local phone company must provide a dedicated phone
line to the display and identity the color used for the tip wire and which
color is for the ring wire.
5. The tip and ring phone wires will terminate to TB2 on the modem as
shown in Figure 12 and Drawing A-177039. If a phone cable is used
inside the display, it will plug into J5.
Figure 12: Phone line Connection to Display Modem
Figure 11: Host, Signal Out to Client, Signal In
Notes:
1. A current-loop j-box is often mounted at the base of the display pole for
communication in the case of problems with the modem network.
2. The phone line and display power cannot be routed though the same
conduit.
3. For additional operation and connection information see ED-13953:
DataMaster Modem Installation Manual.
Electrical Installation 3-9