DataKinetics DSC110 / DSC210 User Manual Issue 12
Page 30
For balanced operation the connector is an RJ45 type connector with the following
pinout. Note that pin 1 is the bottom most pin.
Pin No.
Direction
Function
1 Input Receive
Tip
2
Input
Receive Ring
3
GND
4
Output
Transmit Tip
5
Output
Transmit Ring
6
GND
7
No
Connection
8
No
Connection
Table 5.2 RJ45 PCM Port Connections
5.5 Serial Ports
Connection to both serial ports is by means of a 9-way chassis mounting D-type
plug, one located near the bottom edge of the converter, the other at the rear of
the CPU card. The pin allocation is listed in the following table:
Pin
Name Direction
Mnemonic
V24
Circuit
number
3 Transmitted
Data
Output
TXD
103
2 Received
Data
Input
RXD
104
7
Request to Send
Not Used
RTS
105
8
Clear to Send
Not Used
CTS
106
6
Data Set Ready
Input
DSR
107
4
Data Terminal Ready
Output
DTR
108/2
5 Signal
Ground
GND
102
Table 5.3 Serial Port Connections
5.6 Ethernet Port
Two ports are provided for access to the Ethernet card in the converter.
Connection may be made to either the standard RJ45-type socket, or the 50 ohm
coaxial BNC connector.
