NAVIOR-24S
™
CHAPTER II
Hardware Integration
34
NAVIOR-24S ™
Revision
V1.00 20.05.2008
Digital IO/Power Connector Pin out
The digital IO/Power connector pin out information is listed in Table II-2.
Table II-2 - X501 I/O Connector Signals
Pin
Name
Direction Description
1 VCC
Input
Prime Power (VCC)
2 GND
-
Ground signals and power
3 VCC
Input
Prime Power (VCC)
4 GND
-
Ground signals and power
5 1PPS
Output
Pulse-Per-Second, 3.3 V TTL CMOS
6 S_IN
-
Technological pin - do not connect
7 TXDA
Output
Serial port A transmit, 3.3V TTL CMOS
8 HS_OUT
-
Technological pin - do not connect
9 TXDB
Output
Serial port B transmit, 3.3V TTL CMOS
10 RXDA
Input
Serial Port A receive, 3.3 V TTL CMOS
11
Р
3 -
Reserved pin - do not connect
12 RXDB
Input
Serial Port B receive, 3.3 V TTL CMOS
13
Р
5 -
Reserved pin - do not connect
14
Р
4 -
Reserved pin - do not connect
15 STATUS
Output
Indicate work status
16 NC -
Reserved pin - do not connect
17 RES
Input
External reset. Active level low
18 NC -
Reserved pin - do not connect
19 BBP
Input
Battery Backup Power (+3 V DC)
20 VANT
Input
Antenna power (+3…+5 V DC)
Note
- If the pin is not in use, let it be not connected.