Multitech MT64DSU Owner's Manual page 57

RS-232C DB25S CONNECTOR
Figure C-2. RS-232 Connection
DESCRIPTION
This connector ties the MultiDSU64K to the DTE. The DB25S
connector has the following pinout configuration.
PIN IDENTIFICATION
Pin Description
2 Transmit Data
3 Received Data
4 Request to Send RTS
5 Clear To Send
6 Data Set Ready DSR
7 Signal Ground
8 Carrier Detect
9 Test Voltage
15 Transmit Clock
17 Receive Clock
24 Transmitter Timing XTC
Transmit Clock
Circuit Source
SD DTE
RD DCE
DTE
CTS DCE
DCE
SG --
CD DCE
+V DCE
TC DCE
RC DCE
DTE
Appendixes
Function
Transmitted Data
Received Data
Request to Send
Clear to Send
Data Set Ready
Signal Ground
Carrier Detect
Test Voltage
Transmit Clock
Receive Clock
External
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