SeaLevel 5104e, Руководство пользователя

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© Sealevel Systems, Inc. 5104e & 5104es Manual | SL9273 8/2021
RS-232 Signals
Pin # Signal Name Mode
2 TD Transmit Data Output
3 RD Receive Data Input
4 RTS Request To Send Output
5 CTS Clear To Send Input
6 DSR Data Set Ready Input
7 GND Ground
8 DCD Data Carrier Detect * Input
15 TXC Transmit Clock Input
17 RXC Receive Clock Input
18 LL Local Loopback Output
20 DTR Data Terminal Ready Output
21 RL Remote Loopback Output
22 RI Ring Indicator Input
24 TSET Transmit Signal Element Timing Output
25 TM Test Mode Input
When in External Sync mode, the external sync signal is fed into DCD.
RS-485 or RS-485T
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 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
18 LL Local Loopback Output
20 DTRA DTR – Data Terminal Ready Negative Output
21 RL Remote Loopback Output
23 DTRB DTR+ Data Terminal Ready Positive Output
24 TSETA TSET – Transmit Signal Element Timing – Output