Setup guide

GRAVIMETRIC GATEWAY AND ETHERNET COMMUNICATIONS

Wireless Serial Server

This section will guide you through the setup of the GW21W-MAXI.

Configuration Methods: There are several ways to access the GW21W-

MAXI to configure or modify the configuration settings. For the initial setup

of the GW21W-MAXI this example will use HyperTerminal through the

console mode.

How the GW21W-MAXI Wireless Serial Server is used in the G2 network:

• The GW21W-MAXI connects directly to your Maguire Controller’s serial port,

(Computer port). The GW21W-MAXI converts serial communications of the Maguire

controller to wireless Ethernet. Each Maguire controller will have it’s own GW21W-

MAXI.

What you will need to know to configure this device:

! IP address, Subnet Mask and Gateway for the GW21W-MAXI

! SSID – Network name used on for your wireless bridge (must be the same on all

wireless devices)

! Wired Equivalent Privacy WEP (128-bit recommended) – WEP Key will be entered

into the GW21W-MAXI (a passphrase not entered into the GW21W-MAXI)

! Serial Settings for the Maguire controller (settings are specified in the following

instructions)

Important Pre-configuration information – You will need a Null modem placed between the

mini din to RS-232 DB-9 cable and your computer’s COM port in order to configure the

GW21W-MAXI through console mode. Null modem not included with the GW21W-MAXI.

How to configure the GW21W-MAXI using HyperTerminal by Console Mode

1. Power off the GW21W-MAXI

2. Set the MODE switch SW1 to ‘OFF’ and SW2 to ‘ON’.

3. Use a PC to connect to the GW21W-MAXI’s console with the supplied the

mini din to RS-232 DB-9 cable placing a null modem adapter between the PC

and the mini din to RS-232 DB-9 cable. Connect the din side of the jack to the

GW21W-MAXI and the serial end of this jack to a null modem, then to your

computer’s COM port.

GW21W-MAXI

Single-Port Wireless

Serial Server