User Manual
Chapter 3 - Operation and Administration of the Macro BTS NPU Configuration
4Motion 423 System Manual
Syntax
Description
Parameter Description Presence Default
Value
Possible
Values
Type {Trimble
| Lassen |
None}]
Indicates the type of GPS
connected to 4Motion:
Trimble: Use for
BMAX-Timing GPS-OGR
model.
Lassen: Use for
BMAX-4M-GPS model
None: Use when no GPS is
connected.
Optional Trimble
Trimble
Lassen
None
[HoldoverTimeout
<expiry_interval
(0-2880)>]
Indicates the period, in
minutes, for which the NPU
provides holdover when the
GPS loses synchronization
with its satellites.
Optional 480 0 - 2880
[HoldoverPassTxO
perationStop{Enabl
e | Disable}]
Indicates whether the AU
modules should stop data
transmission if the GPS loses
synchronization with its
satellites and the holdover
timeout has occurred.
Optional Enable
Enable
Disable
[AlmanacUsableTi
me
<expiry-interval(0-
4320)>]
Indicates the maximum
period, in hours, for which the
Almanac time is valid when
the GPS is reset.
Optional 720 0-4320
[EphemerisUsable
Time
<expiry-interval(0-
168)>]
Indicates the maximum
period, in hours, for which the
Ephemeris time is valid when
the GPS is reset.
Optional 4 0-168
[IntervalToReadGP
STime {Hourly |
Daily | Monthly |
Yearly}]
Indicates the interval after
which the NPU should obtain
the GPS time for frame
synchronization, and send it
to the AU.
Optional Daily
Hourly
Daily
Monthly
Yearly