“XTS” Interface
(
Emulating the original Motorola XT Oncore
TM
)
The “XTS” version of the SynPaQ/E uses a standard DB-9M
connector for data and power.
This is NOT a standard DB-9 serial interface
(Do not use RS-232 port isolators)
Pin functions are as follows:
PIN
FUNCTION
1
RTCM In, RS-232 levels
2
Commands In, RS-232 levels
3
Data Out, RS-232 levels
4
N/C
5
Common
(1PPS)
6
Power In (+5V regulated)
7
Common (power and data)
8
Power In (9-30 VDC)
9
1PPS Out (TTL levels)
Note: Only one power source may be connected at a time