Installation Instructions

APPENDIX B: IPM4 TEST DATA SHEET
IPM4-FCCRpt.doc Page 24
Data Quality
Parameter
Spec
Measured
Receiver 1 Data Quality
(While receiving 500 character “pings” from base station, 100 pings
min, no errors allowed, CRC errors enabled)
240>
Receiver 2 Data Quality
(While receiving 500 character “pings” from base station, 100 pings
min, no errors allowed, CRC errors enabled
)
240>
Final Tests
Uplink Final
Parameter
Spec Measured
Transmit Frequency Error
+/- 100 Hz
(Transmitting 19, 2000
character test message)
Transmit Modulation Deviation
4.9 kHz
(while transmitting 19,2000
character test message)
Uplink Hardware Timing Verified
Transmit Carrier ramp up time
2mS < X < 4mS
Symbol Sync time
(Stable Amplitude to with in 100mV during the period)
12ms +/- 1ms
Recovered modulation signal
1 V PtoP ~
2.5 VDC ~
Verify Sync Start
(RSSI to CS first going low)
10mS +/- 0.5
Verify Fram Sync (From end of Sync to CS second time going
low)
4 +/- 0.1 mS
Transmit Data Quality
(While transmitting 19, 2000 character test messages to the
base station)
240 >