Mounting and Wiring

Remote Access

Zoom 56K Dualmode External Modem

Step

Action

1Connect the modem to a PC. If your PC’s RS232 port has a 25-pin connector, use a DB-25 male to DB-25 female RS232 cable. If your PC’s RS232 port has a 9-pin connector, use a DB-25 male to DB-9 female modem cable.

2Connect power to the modem.

3Power up the modem.

4Run a serial communication port program such as Hyperterminal.

5Within the communication program, select the port to which the modem is connected.

6Configure the port to these settings:

baud rate = 9600 data bits = 8 parity = none stop bits = 1

flow control = none

7In the program’s terminal window, type in the letters “AT E1 Q0” followed by the enter key. The modem should give an OK response.

8Enter the following command string:

AT &Y0 &C0 &D0 &R1 &S0 &K0 S0=1

Modem should respond with OK.

9Enter the following command string:

AT E0 Q1 &W0

Modem will not respond.

10Power down the modem and disconnect it from the PC.

11Connect the modem to the RS232 port of the UMC800 using a DB-25 male to DB-9 male RS232 cable. Null modem cable may not work.

12Connect the modem to a telephone jack.

13Power up the modem and the UMC800.

14On a remote computer, run Control Builder software.

15Set up Control Builder to dial the UMC800.

16Verify that communications is established with the remote UMC800.

48

UMC800 Controller Installation and User Guide

Release F

 

 

4/01

Page 56
Image 56
Honeywell UMC800 manual Zoom 56K Dualmode External Modem