User's Manual

Table Of Contents
70 Installation
Chapter 2 - Installation Guidelines
2.4.4 NPU to GPS Adapter Cable
Table 2-17: NPU to GPS Adapter Cable Pin Out
DB 15-pin Male
(GPS Adapter)
Micro 15-pin Female
(NPU)
Name Description
1 1 IN_SENSE GPs Adapter Presence Indication
2 2 EXT_16M_IN- External 16MHz clock from GPS
Adapter, LVDS twisted pair (Not Used)
10 10 EXT_16M_IN+
3 3 NC Not Used
4 4 1PPS_IN+ 1PPS signal from GPS Adapter, LVDS
twisted pair,
11 11 1PPS_IN-
5 5 GPS_TX- Transmit communication channel from
GPS, RS422 twisted pair
13 13 GPS_TX+
6 6 GPS_RX- Receive communication channel to
GPS, RS422 twisted pair
14 14 GPS_RX+
7 7 NC Not Used
8 8 GND Ground
9 9 GND Ground
12 12 NC Not Used
15 15 +12V 12 VDC to GPS
Shell Shell Shield