MS-70 / MX-50 / MF-50 / ML-50
51
10.1. RS-232C Serial Interface
RS-232C Serial Interface
Transmission system
EIA RS-232C
Transmission form
Asynchronous, bi-directional, half duplex
Data format
Baud rate
2400bps
Data
bits
7bits
Parity
EVEN
Stop
bit
1bit
Code
ASCII
Terminator
CR LF (CR: 0Dh, LF: 0Ah)
Bit
format
Pin Connections
2.6mm, metric screw thread
MX-50 and MF-50 (DCE)
Computer (DTE)
Pin No.
Signal Name 2 Description
Direction
Signal Name
1 FG
Frame
ground -
FG
2 RXD Receive
data
←
TXD
3 TXD
Transmit
data
→
RXD
4
RTS
Ready to send 3
←
RTS
5
CTS
Clear to send 3
→
CTS
6
DSR
Data set ready
→
DSR
7 SG
Signal
ground - SG
16, 18, 19,
21, 23
Internal use
Do not connect 1
Other Not
used
1: Normal DOS/V cables do not use these terminals.
2: Signal names of the analyzer side are the same as the DTE side with TXD and
RXD reversed.
3: RTS and CTS control are not used. CTS output is HI always.
RS-232C
-5 V to -15 V
+5 V to +15 V
Data bits
Start bit
Parity bit
Stop bit