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External Modem Kit – INSTRUCTION MANUAL
7ML19981DP02
Open Channel Meter OCM III
OCM III Configuration Parameters
Wiring Diagram for connection to OCM III:
To configure the OCM III and Flow Reporter software for modem communication, you
must use an external modem kit or configure your internal modem using settings for Flow
Reporter. See page 18 for more information.
RS-232 Modem to PC Connection
Connect the PC to the modem using the modem programming cable.
To configure your RS-232 Modem and PC:
1.
Connect the modem to PC serial port 1 or 2.
2.
On the Start Menu, click SETTINGS and click CONTROL PANEL.
3.
Double-click MODEMS.
4.
Click Add Modem.
5.
Check "Don’t detect my modem: I will select it form a list" and click NEXT.
6.
Select Manufacturers: (Standard Modem) and then select Modem: Standard 9600
bps Modem.
7.
Select all the defaults until modem is installed.
Parameter
Description
P37 = 5
9600 baud
*Note:
Jumpers are required for communication with the OCM III. The jumpers are
included in communications cable supplied with Siemens Milltronics RS-232 External
Modem Kit.
DB-9
CONNECTOR
OCM III
TERMINAL
BLOCK
TXD
RXD
GND
SG
11
RXD
TXD
12
13
6
2 1
5 3
4
8 7
Jumper Pins
1
2
3
4
5
6
7
8
9
*