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WLS-TC User's Guide Specifications

Mechanical

Table 14. Mechanical specifications

Parameter

Specification

Dimensions (L × W × H)

128.52 x 88.39 × 35.56 mm (5.06 × 3.48 × 1.43 in.)

USB cable length

3 m (9.84 ft) max

LED / button configuration

Table 15. LED configuration

Parameter

Specification

Command LED

Green LED – indicates a command was received by the device (either USB or

wireless)

Received Signal Strength Indicator

(RSSI) LEDs

Three green LED bar graph. The LEDs will turn on when receiving a wireless

message, and stay on for approximately 1 second after the end of the message.

These LEDs indicate the amount of fade margin present in an active wireless link.

Fade margin is defined as the difference between the incoming signal strength and

the device's receiver sensitivity.

 3 LEDs on: Very strong signal (> 30 dB fade margin)

 2 LEDs on: Strong signal (> 20 dB fade margin)

 1 LED on: Moderate signal (> 10 dB fade margin)

 0 LEDs on: Weak signal (< 10 dB fade margin)

Wireless Power LED

Green LED: the internal RF module is receiving power.

Transmit LED

Yellow LED: data is being transmitted over the wireless link.

Receive LED

Red LED: data is being received over the wireless link.

Button

Firmware defined; this revision executes an LED test.

Command

Wireless Power

Transmit

Receive

Received

Signal

Strength

Button

(firmware

defined)

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