User's Manual

68P80801H45-1 1/20/2002 97
EBTS System Manual - Vol 2 Troubleshooting
QUAD Base Radio Signals
TxD RS232 TX Data
DTR RS232 Data Terminal Ready
DSR RS232 Data Set Ready
RTS RS232 Request to Send
CTS RS232 Clear to Send
BRG Baud Rate Generator
RxRESET_ Reset Signal to RX modules
16.8MHz_RX 16.8 MHz reference to RX differential
16.8MHz_RX_RTN 16.8 MHz reference to RX return differential
Clock_SyncA_ Clock Sync signal to RX1 & RX2 For Abacus III
Clock_SyncB_ Clock Sync signal to RX3 & RX4 For Abacus III
SSI_Data_A RX Data from RX module 1 differential
SSI_Data_A_RTN RX Data from RX module 1return differential
SSI_Data_B RX Data from RX module 2 differential
SSI_Data_B_RTN RX Data from RX module 2 return differential
SSI_Data_C RX Data from RX module 3 differential
SSI_Data_C_RTN RX Data from RX module 3 return differential
SSI_Data_D RX Data from RX module 4 differential
SSI_Data_D_RTN RX Data from RX module 4 return differential
SSI_CLK_A RX Clock from RX module 1 differential
SSI_CLK_A_RTN RX Clock from RX module 1 return differential
SSI_CLK_B RX Clock from RX module 2 differential
SSI_CLK_B_RTN RX Clock from RX module 2 return differential
SSI_CLK_C RX Clock from RX module 3 differential
SSI_CLK_C_RTN RX Clock from RX module 3 return differential
SSI_CLK_D RX Clock from RX module 4 differential
SSI_CLK_D_RTN RX Clock from RX module 4 return differential
SSI_FS_A RX Frame Sync from RX module 1
SSI_FS_B RX Frame Sync from RX module 2
SSI_FS_C RX Frame Sync from RX module 3
SSI_FS_D RX Frame Sync from RX module 4
DSPIa_En_1 DSPa SPI RX1 Abacus enable
DSPIa_En_3 DSPa SPI RX2 Abacus enable
DSPIa_En_2 DSPa SPI RX1 & RX2 SGC enable
DSPIb_En_1 DSPb SPI RX3 Abacus enable
DSPIb_En_3 DSPb SPI RX4 Abacus enable
DSPIb_En_2 DSPb SPI RX3 & RX4 SGC enable
DSPIa_MOSI DSPa SPI MOSI differential
DSPIa_MOSI_RTN DSPa SPI MOSI return differential
DSPIb_MOSI DSPb SPI MOSI differential
Table 43 QUAD Base Radio Signal Descriptions (Continued)
Signal Name Description Special