3.2.9 Echo GPS Strings Checkbox
Checking this option will tell the unit to copy all received data from the GPS module's serial port to the
serial port on the back of the Time Server. The copied strings are the standard NMEA GPS data
strings.
3.2.10 Serial TTL Level Outputs Checkbox
Checking this option will enable the TTL level outputs of the serial port. These are found on Pins 7, 8,
and 1. To receive the actual NMEA strings, the “Echo GPS Strings Checkbox” must be checked. Pin 7
is the data from the GPS module, Pin 8 is data that will be sent to the GPS module through the RS-
232C port echo'd at TTL level. The data pins are duplicates of the RS-232C data found on Pins 2 and 3,
but are provided before conversion to RS-232C levels. Pin 1 is the 1 PPS output. The 1 PPS output is
a very narrow signal on the order of 1 uS in width, active high.
3.2.11 Debug Output Checkbox
The debug output checkbox will tell the unit to output debug and operational information to the serial
port.
3.2.12 Unit Name
This can be any alpha numeric name up to 20 characters long.
3.2.13 Password
The password field displays the current password. To change it, enter a new password, push Save and
then Reboot for it to take effect. Time Server passwords are limited to12 characters. The default
password is “tmachine”
Installation and Operations Manual | Page 6
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