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40 MONITOR ISM™/AFx™ IP Connectivity Guide 22-9058 v2.1

4.5.2 Direct Serial Configuration

If you are unable to configure the IP Interface Module with Telnet, the Direct Serial Configuration

option can be used.

In this mode, there are no passwords (since you are accessing the IP Interface Module in a direct

physical connection) so you can always change various settings. Because the hardware board itself

has to be accessed directly to achieve this connection inside the main panel enclosure, control box

anti-tamper mechanisms can act as a security deterrent.

This mode requires a PC running a Hyper Terminal interface or equivalent with a direct serial cable

connection to the IP interface board (see IP Module Board diagram, Sect. 4.2 for Direct Serial

Configuration).

Once you enter the direct serial configuration mode, all commands are exactly the same as the

ones described for the Telnet configuration method (described in previous section 4.5.1).

Serial Wiring

1) This is a 3-wire serial connection on a PC serial port. A laptop would be convenient in a limited

resources situation.

2) Make a connection from the IP board Direct Serial Configuration pin connectors to the PC.

• Ordering 2 position wired plug (P/N 166-2626) is recommend for plugging into the IP module

board’s Direct Serial Configuration 2 onboard pins.

• Connect a short piece of cable with 2 wires connected to the plug’s 2 wires to act as an

extension.

• Use a 3

wire from the cable and connect it to the IP board’s “Dir” terminal block Ground

connection.

• At the cable’s other end, connect the 3 wires to a DB9 connector as in the following diagram.

TB2

TB1

Upper Board

SIP RS485 A

SIP RS485 B

SIP Ground

Dir RS485 A

Dir RS485 B

Dir Ground

IP Interface Module

P/N 650-9058 (Cutaway views)

This pair of 2 pin plug

connectors used for

“Direct Serial

Configuration”

These pairs

of PINS Not

Used.

DB9 Pin 3

DB9 Pin 2

DB9 Pin 5

Base Board

Green DIR RX

Red DIR TX

Red SIP TX

Green SIP RX

Red Aux TX

Green Aux RX

Comms LEDS

For “Direct Serial

Configuration” only.

Order 2-position wired plug

P/N 166-2626 for quick connect.

To PC

COMS

Port

Observe polarity!

Establishing a Direct Serial Connection

1) Set up a Hyper Terminal program:

• Select Com port # e.g. 1, 2.

• Port Settings: Bits per second: 9600, Data bits: 8, Parity: none, Stop bits: 1, Flow control:

None.

2) Remove the power connection for the IP interface board.

3) Hold down the IP Interface Module Discovery Mode button (Sect. 4.2).

4) Reconnect power. When Dir and SIP RX LED’s begin flashing together, release the Discovery

Mode button (NOTE: Discovery Mode will time out after two minutes).

5) A list of text similar to the Telnet screen (Sect. 4.5.1) will display. Follow its instructions to make

changes to the board.

6) As communications are exchanged between IP board and Hyper Terminal, IP board green RX

and red TX auxiliary LED’s will flash back and forth.

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