PBX Support
Globalstar GSP2900 and FAU200 phones have been interfaced to many PBX systems. In most Read the rest of this entry »
Loop Start (no ground start) for GSP-2900 and FAU200
There are two types of signaling – ground start and loop start — commonly used to Read the rest of this entry »
Windows INF Driver Setup File for CDC USB interface to GSP-1700 and GSP-1720
The following file must be saved as a file with extension ".inf"
To see the file, click here ==> Read the rest of this entry »
GSP-1720 Molex Connector, Pinout, Specs and Tools
The Qualcomm Globalstar GSP-1720 Satellite Data/Voice Module uses a 22-pin Molex Micro Fit 3.0 Connector. Interface cables must use the mating Molex cable connector, Molex Part Number 43025-2200. The pins of this connector are numbered as shown below: Read the rest of this entry »
GSP-1600 Regulatory Approvals
The regulatory approval documents for the GSP-1600 can be found HERE.
These include the FCC Grant, the CE Declaration of Conformity, and many other documents.
GSP-1720 (SDVM) Audio Specifications
The GSP-1720 audio system is designed to support Voice Calls. The audio system is designed to function in a near field application such as a headset or a handset.
Audio levels at the 22-pin connector are as follows:
Audio OUT
- Output impedance = 10 ohms, intended to drive a 16 ohms load
- Freq response = 300 Hz to 3300 Hz
- Output power = 8 mW into 16 ohm full scale out with VDD 2.5 V-2.7 V
- Power Supply rejection ratio = 45 dB
Audio IN
- Input Impedance = 35 Kohms
- Freq response = 300 Hz to 3300 Hz
- Max Input Voltage = 64.5 Vrms
GSP-1620 Integrator’s Reference Manual
Click HERE to download the GSP-1620 Integrator’s Reference Manual
12V Power Adapter for use in 24V Military Hum Vee
There are a number of units which provide 24V to 12V (actually 13.8V) conversion. Read the rest of this entry »
Qualcomm Commands for AT+MS and AT+CFG
The Qualcomm AT command set includes the commands AT+MS and AT+CFG. These commands offer the ability to customize the behavior of the Globalstar Gateway modems so that they are more compatible with Read the rest of this entry »
