NCD 901 601 GPS Receiver » History » Revision 2
Revision 1 (laforge, 10/08/2021 10:32 AM) → Revision 2/4 (laforge, 10/08/2021 10:38 AM)
h1. NCD 901 60/1 GPS Receiver
The NCD 901 60/1 is a GPS receiver for clock reference purpose, sold as accessory to the [[RBS6402]] eNodeB.
h2. Major internal parts
It consists of the following major parts:
* "Trimble RES 360 SMT GNSS receiver module":https://timing.trimble.com/products/gnss-receivers/res-smt-360-multi-gnss-timing-module/
* "STM32F105 Cortex-M3 Microcontroller":https://www.st.com/en/microcontrollers-microprocessors/stm32f105-107.html
* "MuRata NXE1S0305MC":https://www.murata.com/products/productdetail?partno=NXE1S0305MC isolated DC/DC conveter for phantom power to GNSS antenna
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h2. External interfaces
h3. RJ45 conenctor to RBS6402
pin-out and signals are yet TBD, but judging from other Ericsson GPS receivers, it is safe to assume 12V supply and RS485 for NMEA.
h3. SMA connector to GNSS antenna
The SMA connector features a 5V/1W isolated phantom power DC supply
h2. Part Numbers
|_.Part Number|_.Description|
|NCD 901 60/1|GPS Receiver Unit (with RJ45 and SMA)|
|RPM 5132372/2900|RBS6402 GPS Cable (RJ45 + proprietary connector)|
|TSR 432 151/3000|DUS GPS Cable (RJ45 to RJ45)|
|NTB 801 0070/1|Kit consisting of three items above|
