Quatech AirborneDirect WLNG-ET Series Especificaciones descargar pdf (Pagina 19)

1 – CLI Overview

100-8005-101G Airborne™ Product Family CLI Reference Guide Page 13

Quatech, Inc. Confidential

1.4.5 Data Bridging with XMODEM Guidelines

Once a data bridge is established, the endpoints may transfer raw binary data. Some systems

may choose to apply a protocol such as ZMODEM or XMODEM, etc.

For systems using XMODEM protocol, the following guildelines must be adhered to:

 XMODEM works with 8-bit connections only. If you communicate with the Module via

a serial port connection, configure your communication settings as follows:

Data bits: 8

Parity: None

Stop bits: 1

 Run XMODEM with either no flow control or hardware (RTS/CTS) flow control

because the protocol provides no encoding or transparency of control characters. If

you run XMODEM with software (XON/XOFF) flow control, your connection will

hang. For this reason, configure the flow control parameter in your communication

settings to NONE or RTS/CTS, not to XON/XOFF or BOTH.

 During transmission, XMODEM pads files to the nearest 128 bytes. As a result,

original file sizes are not retained.

Note:

These guidelines also apply to the update CLI command.

1.6 WIRELESS LAN ROAMING

When configured for Infrastructure mode using the wl-type command, the Module supports

roaming in accordance with the IEEE 802.11 specification. The following set of commands

affect the Module’s roaming capabilities:

Table 1. CLI Commands That Affect Roaming

CLI Commands that

Directly Affect Roaming

wl-type

wl-ssid

wl-rate

wl-security

The wl-ssid command specifies the SSID to use for 802.11 associations. The SSID may be

set to the special value “any” or to an SSID that matches the SSID of your network.

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Quatech AirborneDirect WLNG-ET Series Especificaciones Pagina 19