92
Communication setup
8.2 Modem
8.2.1 Modem connection
This connection is for interfacing the optional internal modem (1602) with a standard
public telephone line.
8.2.2 Modem programming
1.
From the Main Menu, select
OPTIONS, ADVANCED OPTION, COMMUNICATIONS
SETUP
.
Note: There is no way of independently enabling power to just the internal modem without also
enabling the power to the Cellular Communications Option if it is present. However, this poses no
problem even if the sampler is physically connected directly to a phone line without a cellular phone.
2.
Highlight Modem Setup using the
UP
and
DOWN
keys. Press
ACCEPT
.
3.
Enable modem power by pressing
CHANGE CHOICE
. Modem power is turned off
when not in use to conserve battery power.
4.
Select pulse or tone dialing modes. This will depend on the type of phone service
selected for the site phone line. Press
ACCEPT
.
Table 14 Modem CPU Connections (J-8)
Pin
Signal Description
A
Tip
B
Ring
C
12 V dc
D
12 V dc Reference
11:00 AM 21 - APR - 01
COMUNICATION SETUP
SELECT
MODEM SETUP
RETURN
RS232 SETUP
11:00 AM 21 - APR - 01
MODEM SETUP
ACCEPT
CHANGE
CHOICE
MODEM POWER:
CANCEL
ENABLED
CHOICES: ENABLED, DISABLED
11:00 AM 21 - APR - 01
MODEM SETUP
ACCEPT
CHANGE
CHOICE
DIAL METHOD:
CANCEL
TONE
CHOICES: TONE, PULSE
Goodnal STP ST041 Pre Treatment (Sigma 900 MAX All Weather Refrigerated Sampler) Vendor Manual
Q-Pulse Id VM373
Active 29/10/2013
Page 92 of 122
