NXR-71053Final Unit (X45-3920-10) (A/3)Pin No. Name I/O FunctionCN1 (To X57-794 CN610)1 TX IN I TX driver input signal (Coaxial)CN201 (To X45-392 B/3 +B)1 +B I Power supply inputCN202 (To X45-392 B/3 GND)1 GND - GroundCN203 (To X57-794 CN701)1 GND - Ground2 +B O Power supply output3 +B O Power supply outputCN204 (To X57-794 CN801)1 GND - Ground2 8TC I 8V power supply control3 RAMP I RF power control voltage4 ASWC I ANT switch control5 FAN I FAN control6 FDT O Coupler input voltage7 TMP2 O Temperature of X45 Final unit8 TMP1 O Temperature of X45 Final unit9 PLIM I Power limit control10 H/L I Power control11 HWV2 O Hardware version detectCN205 (To FAN)1 FAB O FAN power supply2 FAG - FAN groundFinal Unit (X45-3920-10) (B/3)Pin No. Name I/O Function+B (To X45-392 A/3 CN201)1 +B O Power supply outputGND (To X45-392 A/3 CN202)1 GND - Ground+B1 (To DC 13.6V)1 +B I Power supply inputGND (To DC 13.6V)1 GND - GroundFinal Unit (X45-3920-10) (C/3)Pin No. Name I/O FunctionN_SYNC1, 2 (To X53-449 CN5)1 N_SYNC1_B I/O RS-485 differential signal 1-B2 N_SYNC1_A I/O RS-485 differential signal 1-A3 N_SYNC2_B I/O RS-485 differential signal 2-B4 N_SYNC2_A I/O RS-485 differential signal 2-A5 N_SYNC1_B I/O RS-485 differential signal 1-BPin No. Name I/O Function6 N_SYNC1_A I/O RS-485 differential signal 1-A7 N_SYNC2_B I/O RS-485 differential signal 2-B8 N_SYNC2_A I/O RS-485 differential signal 2-AJ401, 402 (N_SYNC1, 2 jack)1 N_SYNC1_B I/O RS-485 differential signal 1-B2 N_SYNC1_A I/O RS-485 differential signal 1-A3 N_SYNC2_B I/O RS-485 differential signal 2-B4 N_SYNC2_A I/O RS-485 differential signal 2-AControl Unit (X53-4490-10)Pin No. Name I/O FunctionCN5 (To X45-392 C/3 )1 N_SYNC1_B I/O RS-485 differential signal 1-B2 N_SYNC1_A I/O RS-485 differential signal 1-A3 N_SYNC2_B I/O RS-485 differential signal 2-B4 N_SYNC2_A I/O RS-485 differential signal 2-A5 N_SYNC1_B I/O RS-485 differential signal 1-B6 N_SYNC1_A I/O RS-485 differential signal 1-A7 N_SYNC2_B I/O RS-485 differential signal 2-B8 N_SYNC2_A I/O RS-485 differential signal 2-ACN38 (To X57-794 CN800)1 TMP1 I Temperature of X45 Final unit2 TMP2 I Temperature of X45 Final unit3 RAMP O RF power control voltage4 FWD I RF power monitor voltage5 TXASSIST O TX PLL assist voltage6 RXASSIST O RX PLL assist voltage7 TX_CV I TX VCO lock voltage8 RX_CV I RX VCO lock voltage9 GND - Ground10 GND - Ground11 TXVCOB O TX VCO B control signal12 RXVCOA/B O RX VCO control signal to A or B13 TXVCOA O TX VCO A control signal14 /RXPCS_TR O RX PLL chip select signal15 LDT I TX PLL lock detect signal16 /16_8PCS O Reference clock PLL chip select signal17 LDR I RX PLL lock detect signal18 /TXPCS O TX PLL chip select signal19 SPSCLK0 O Serial clock20 SPSD0 O Serial data21 SBC O Switched +B control signal22 GND - Ground23 MOD O Audio signal for TX modulation24 GND - Ground25 RSSI I RSSI voltageTERMINAL FUNCTION