User's Manual

Preliminary
AMS-1070 CONTROLLER INSTALLATION GUIDE (8200-0127-06, REV. 0)
8 of 13
Connecting a Modem to the
Controller
If you are not connecting a modem to the
controller, skip this section.
When a modem is connected to the controller, a
remote computer can dial-up and connect to the
controller for remote service. The following
hardware is required:
• External modem – you must flash the modem
and set the dip switches before using. Refer to
the AMS-1070 Setup and Service Guide for
more information.
• DB25 male to RJ12/RJ11 female connector
• RJ11 male to RJ22 male cable
Figure 8. Connecting a modem to the controller
RS232 Modem
Service Laptop
Ethernet
Sync
Service
Network
AMS-1070
Controller
Modem
TO LINE
DB25
To connect the modem to the controller, do the
following:
1. Prepare the DB25 to RJ12/RJ11 connector.
Follow the diagram in Figure 9.
2. Connect the DB25 connector to the modem.
3. Connect the RJ11 connector to the DB25 to
RJ12/RJ11 connector (Figure 10).
4. Connect the RJ10 connector to the
controller.
5. Connect the telephone line to the TO LINE
port of the modem.
Figure 9. Preparing DB25 to RJ12/RJ11 adapter
1
2
2
3
4
5
6
3
7
Figure 10. Modem cabling
Signal RJ12 DB25
Rx Pin 2 Pin 3
Tx Pin 3 Pin 2
Gnd Pin 4 Pin 7
RJ12/RJ11
Inside View
DB25
DB25 (to
Modem)
RJ11
RJ22 (to controller)
DB25 male to
RJ12/11 male
adapter
Telephone line
RJ11 male to RJ22
male cable