User's Manual
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LMR DATA RADIO
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SD250
NT
G
–
USER
GUIDE
April
4,
2011
Midland
Radio
Corporation
6
External Connections
POWER
HSD_TX
HSD_RX
TX_EN
RX_EN
TDF
RDF
PLL_LOCK
1. HD 15-way d-type (data, cont
rol signals and power supply)
2. BNC antenna connector
1
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9
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