Trimble Outdoors 58052-00 Benutzerhandbuch

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Copernicus GPS Receiver     1 0 3
COPERNICUS REFERENCE BOARD     1 0
Reference Board Jumper Table 
Table 10.2
Copernicus Reference Board Jumper Table
* See Copernicus Reference Board Schematics in this chapter. 
Note – See 
 for pin numbers. 
 indicates pin 1.
Reference Designator Name
Description
J1
RF Input 
MCX Jack (Female Connector)50 Ohms 
unbalanced
J4
XRESET 
Normal Operation: Jumper in place (connects 
XRESET to VCC)
Reset Operation: Removing the Jumper and 
asserting pin 2 of J4 low for greater than 100 usec 
resets the unit. *Switch SW1 can also reset the 
unit. Please see below.
SW1
Reset Switch
Press the button resets the unit.
J5
VCC 
Normal Operation: Jumper in place (Applies 
VCC to unit)
Test Mode: Jumper may be removed and ampere 
meter may be inserted for current measurement.
J6
Vback
Normal Operation: Jumper in place.(Applies 
VBack to unit). The user can use VCC as the 
STANDBY Supply. 
J7
8-Pin Header
See Table 10 for Reference Board pin Description.
J8
PPS
Normal Operation: Jumper in place.(It outputs 
PPS at pin 9 of both DB9 connectors of the Starter 
Kit through J7 pin 6 of the Reference Board).
J9-J21
Reserved
Reserved
J25
Reserved
Reserved
Normal Operation: No Jumper (Run Mode).
J27
Reserved
Reserved
J28
XSTANDBY
Normal Operation: Jumper between pins 1 and 
2 of the jumper J28 (Run Mode). *
Standby Mode: Jumper between pins 2 and 3 of 
J28. *For external control, Jumper may be 
removed and pin 2 of the jumper can be 
externally controlled, e.g. via a host processor.
J22-24
Spare 
Spare driver transistor
J26
Antenna 
Power
Normal Operation: Jumper in place.(Active 
antenna powered from VCC).If a separate power 
supply is desired for active antenna, jumper may 
be removed and an external antenna power can 
be applied to pin 2 of J26. *