Data Ports - DPS Telecom NetGuardian 420 DNP3 Hardware User Manual

Data Ports

5.8
The NetGuardian's 4 terminal server ports provide reach-through terminal server functionality for connecting
multiple simultaneous users to external equipment via Telnet over LAN. Each port can function as a proxy
connection to an external device, a craft port, a channel port, a TCP or UDP reach-through port. The NetGuardian
can support simultaneous proxy connections for up to 4 users.
Yost RS-232 RJ45 Connector
NetGuardian data ports can be configured for Yost RS-232 or RS-485.These data ports are available as optional
builds on NetGuardian hardware units (Call DPS Sales for more information @ 1-800-693-0351).
8 RTS (Request to Send)
7 DTR (Data Terminal Ready)
6 TXD (Transmit Data)
5 GND (Ground)
4 GND (Ground)
3 RXD (Receive Data)
2 DSR (Data Set Ready)
1 CTS (Clear to Send)
Yost 4-Wire 202 Connector
Data port pinouts
DB9 RS-232
RX
TX
GND
5 4 3 2 1
9 8 7 6
RTS CTS
DB9 RS-232 Pinouts (Craft Port Only)
Yost RS-485 RJ45 Connector
8 TX+ (Transmit +)
7 N/C (Not Connected)
6 RX- (Receive -)
5 GND (Ground)
4 GND (Ground)
3 RX+ (Receive +)
2 N/C (Not Connected)
1 TX- (Transmit -)
Pin # Signal Description
1 Not connected
2 TX Transmit data
3 RX Recieve Data
4
Not connected
5 GND Ground
6 Not connected
7
CTS Clear to send
8
Request to send
RTS
9 Not connected
8 TX- (Transmit -)
7 N/C (Not Connected)
6 RX- (Receive -)
5 GND (Ground)
4 GND (Ground)
3 RX+ (Receive +)
2 N/C (Not Connected)
1 TX+ (Transmit +)
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