Comtech EF Data SDR-54A - Manual (Page 55)

SDR-54A Satellite Demodulator Revision 4
Reed-Solomon Option MN/SDR54A.IOM
6.7.2 Interface Connector
Connector type 72-pin simm.
Table 6-4. Interface Connector
Pin # Signal Description
1 to 4, 69 to 72 GND Ground
5 to 8, 65 to 68 +5V +5V
9 to 11 Spare 0-2 NC
12 to 15 RS_SPR3-6 Spares from FPGA
16, 17 Spare 3, 4 NC
18 TXDAT NC (Pull up)
19 TXCLK NC (Pull up)
20 to 22 Spare 5-7 NC
23 SCT_OUT NC
24 Spare 8 NC
25 DEC_DAT (RS) Data to Main
26 DEC_CLK (RS) Clock from Main
27 RS_DAT RX Data from Main
28 RS_CLK RX Clock from Main
29 Spare 9 NC
30 /TRS_EN NC
31 /RS_CS RS Chip Select
32 Spare 10 NC
33 SDA IIC Port Expander Data
34 SCL IIC Port Expander Clock
35 Spare 11 NC
36 to 43 BAD[0..7] M&C Address/Data Bus
44 Spare 12 NC
45 BALE M&C Buffer ALE
46 /BRD M&C Buffer Read
47 /BWR M&C Buffer Write
48 Spare 13 NC
49 RSXLX_CLK 25 MHz Clock RS Xilinx
50 Spare 14 NC
51 AHA_CLK 25 MHz Clock RS Decoder
52 RS_SPR7 NC
53 RI_SP NC
54 RR_SP NC
55 RT_SP NC
56 RS_SPR8 NC
57 to 59 TXPA0-TXPA2 NC
60 RS_SPR9 NC
61 to 63 RXPA0-RX_PA2 ID
64 RS_SPR10 NC
6–9