Optional Rear Rs485 + Irig-B Connection; Optional Rear Rs232 + Irig-B Connection; Figure 2.1-4 Additional (Optional) Rear Rs485 + Irig-B Connection To A Pc - Siemens 7sr220 Configuration Manual

7SR210 & 7SR220 Configuration Guide
1.1.4

Optional rear RS485 + IRIG-B connection

Figure 2.1-4 Additional (Optional) rear RS485 + IRIG-B connection to a PC

1.1.5

Optional rear RS232 + IRIG-B connection

USB or 9 pin male
Laptop computer
RS232 cross-over
cable or RS232 to
USB converter
Figure 2.1-5 Additional (Optional) rear RS232 + IRG-B connection to a PC
Pin
1
2
3
4
5
6
7
8
9
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D connector
cable
Carrier Direct (CD)
Receive Data (RXD)
Transmit Data (TXD)
Data Terminal Ready (DTR)
Signal Ground (GND)
Data set ready (DSR)
Request to send (RTS)
Clear to Send (CTS)
Ring Indicator (RI)
Function
©2011 Siemens Protection Devices Limited
IRIG-B
COM 3
9 way D connector