GE Multilin D400, Инструкция по эксплуатации

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CHAPTER 3: SETTING UP COMMUNICATION CARDS
D400 SUBSTATION GATEWAY INSTRUCTION MANUAL GE INFORMATION 39
Switch SW3/SW4 configuration
Switches SW3 (for Port 2) and SW4 (for Port 1) control the signals on Pins 4 and 6 of the RS-
232 port. Each switch contains four switch positions that can each be set to ON or OFF to
select the appropriate function for the port option.
Table 8: RS-232 Card Switch SW3/SW4 Settings
The switch positions are listed for:
•
DTE (Pin 4 DTR Output to DCE and Pin 6 DSR Input from DCE). See Figure 12.
• DCE (Pin 4 DTR Input from DTE and Pin 6 DSR Output to DTE). See Figure 13.
• IRIG-B Enable (on Pin 4) and Ground (on Pin 6). See Figure 14.
Figure 12: Switch SW3/SW4 configuration for port DTE (default)
Figure 13: Switch SW3/SW4 configuration for port DCE
Figure 14: Switch SW3/SW4 configuration for port IRIG-B)
Function Pin 6 Signal SW3/SW4 Positions Pin 4 Signal SW3/SW4 Positions
1 2 3 4 5 6 7 8
DTE (default) DSR Input OFF OFF ON OFF DTR Output OFF ON OFF OFF
DCE DTR Output OFF ON OFF OFF DSR Input OFF OFF ON OFF
IRIG-B Enable Ground OFF OFF OFF ON IRIG-B Output ON OFF OFF OFF
1 2 3
O N
4 5 6 7 8
1 2 3
ON
4 5 6 7 8
1 2 3
ON
4 5 6 7 8