Introduction
Getting Acquainted
LEDs
12
1.1. Getting Acquainted
The HPT135 is a rugged and very powerful external radio transceiver 152 mm wide 84 mm deep
72 mm high,
weighs
900 g.
1.1.1. LEDs
External LED's (see Figure 1-2) are used for Link and Line status indication:
1.1.2. Data and Power Ports
The HPT135 data and power port are placed on the front of the unit (Figure 1-2).
Figure 1-2. HPT135 front side
Through the data port the HPT135 can be connected to PC with Data-Ser Cable, DB9/DB15 (6ft/
1.8m), or with JAVAD GNSS receiver with Data-Ser Cable, ODU-7/DB15 (6ft/1.8m).
Through the power port the HPT135 can be powered. See “Powering HPT 135” on page 114 for
detailed information.
Position
LED Name
Color
Description
1
PWR
Green
Active if Power connected to modem
2
SYNC
Red
Active whenever a signal with a level exceeding the level required for reception
exists on the radio channel (min. light on 200ms).
3
TX/RX
Green
Active if modem receives or transmits Data over serial interface (min. light on
200ms)
4
ALARM
Red
Reserved
Data port
Power port
LEDs
