FEC AFC1500 User Manual
Page 7

AFC1500 Multi-2 Unit Hardware Manual (Rev. 2)
PAGE 4 - 7
Chapter 4: Installation & Wiring
4.6 Serial Communication Ports
The Multi-2 Unit has three usable serial RS232C and one RS422 communication ports. All of the
serial port settings and data format are fully configurable with the AFC User Console software.
When the optional “E” ethernet version is used, the PC & DATA-OUT2 ports are removed.
STANDARD VERSION PORT LAYOUT ETHERNET VERSION PORT LAYOUT
(Optional
£
E
¤
Version)
RS-232C Signal Layout
1 DCD (Data Carrier Detect)
Used only for DATA-IN*
2 RXD (Receive Data)
Serial Data Input.
3 TXD (Transmit Data)
Serial Data Output.
4 DTR (Data Terminal Ready) Output signal; active when the internal device is ready to link.
5 GND (Ground Signal)
6 DSR (Data Set Ready)
Input signal; indicates that the external device is ready to establish a
link. Can be connected directly to DTR for automatic data dump.
7 RTS (Request to Send)
Output signal. Active when the internal device is ready to exchange
data.
8 CTS (Clear to Send)
Input signal. Indicates that the external device is ready to exchange
data. Can be connected directly to RTS when no asynchronous data
flow is required.
9 RI (Ring Indicator)
Not used
* All Multi-2 serial port connectors are MALE.