Impulse 5402 - Manual (Page 10)

© Sealevel Systems, Inc. - 8 - ACB-MB+4.PCI User Manual
RS-485 or RS-485T
Base+5, M3-M0=4, 0100 (With termination)
Base+5, M3-M0=5, 0101 (Without termination)
Pin # Signal Name Mode
2 TDA TX– Transmit Negative Output
3 RDA RX– Receive Negative Input
7 GND Ground
9 RXCB RXC+ Receive Clock Positive Input
11 TSETB TSET+ Transmit Signal Element Timing + Output
12 TXCB TXC+ Transmit Clock Positive Input
14 TDB TX+ Transmit Positive Output
15 TXCA TXC– Transmit Clock Negative Input
16 RDB RX+ Receive Positive Input
17 RXCA RXC– Receive Clock Negative Input
24 TSETA TSET– Transmit Signal Element Timing – Output
RS-530 (RS-422)
Base+5, M3-M0=D, 1101
Pin # Signal Name Mode
2 TDA TX– Transmit Negative Output
3 RDA RX– Receive Negative Input
4 RTSA RTS– Request To Send Negative Output
5 CTSA CTS– Clear To Send Negative Input
6 DSRA DSR– Data Set Ready Negative Input
7 GND Ground
8 DCDA DCD– Data Carrier Detect Negative Input
9 RXCB RXC+ Receive Clock Positive Input
10 DCDB DCD+ Data Carrier Detect Positive Input
11 TSETB TSET+ Transmit Signal Element Timing + Output
12 TXCB TXC+ Transmit Clock Positive Input
13 CTSB CTS+ Clear To Send Positive Input
14 TDB TX+ Transmit Positive Output
15 TXCA TXC– Transmit Clock Negative Input
16 RDB RX+ Receive Positive Input
17 RXCA RXC– Receive Clock Negative Input
18 LL Local Loopback Output
19 RTSB RTS+ Request To Send Positive Output
20 DTRA DTR– Data Terminal Ready Negative Output
21 RL Remote Loopback Output
22 DSRB DSR+ Data Set Ready Positive Input
23 DTRB DTR+ Data Terminal Ready Positive Output
24 TSETA TSET– Transmit Signal Element Timing – Output