Manual PCI-WDG-CSM
22
Chapter 6: Connector Pin Assignments
Pin Number
Function
1
Relay Pole 1, Common Contact (C)
2
Relay Pole 1, Normally Closed Contact (NC)
3
Relay Pole 1, Normally Open Contact, (NO)
4
Opto-Isolated Output Emitter (WDRST or Output 0)
5
Opto-Isolated Output Collector (WDRST or Output 0)
6
Opto-Isolated Output Collector (NWDRST or Output 1)
7
Opto-Isolated Output Emitter (NWDRST or Output 1)
8
Watchdog Counter Enabled (Output)
9
+5 VDC Unfused, 1A max
10
+5 VDC Unfused, 1A max
11
+5 VDC Unfused, 1A max
12
+5 VDC Unfused, 1A max
13
130.2 KHz Square Wave while the Watchdog is enabled
14
Relay Pole 2, Common Contact (C)
15
Relay Pole 2, Normally Closed Contact (NC)
16
Relay Pole 2, Normally Open Contact (NO)
17
Opto-Isolated Input #0 Source (Anode)
18
Opto-Isolated Input #0 Return (Cathode)
19
Opto-Isolated Input #1 Return (Cathode)
20
Opto-Isolated Input #1 Source (Anode)
21
Fan Restart Input (pulled down, active high)
22 Ground
23 Ground
24 Ground
25 Ground
Table 6-1:
DB25F Connector J1 Pin Assignments
