Tables P1 Pin Assignments, P2_Pin_Assignments, P3_Pin_Assignments, and P4_Pin_Assignments list the pin assignments for connectors P1-P4. These connectors are connected to the relays contacts, providing the user with full access to all 96 relays and providing the means to create specific switch topologies. Additionally, by incorporating specific loads on the module board, a custom switched load board can be created. Each relay has two switches, A and B, and each switch has two pins. For example, K12 switch A (K12-A) connects between P1-C7 and P1-D8.
Row/Column |
A |
B |
C |
D |
1 |
K1-A |
GND |
K3-A |
GND |
2 |
K1-B |
K1-A |
K3-B |
K3-A |
3 |
K2-A |
K1-B |
K4-A |
K3-B |
4 |
K2-B |
K2-A |
K4-B |
K4-A |
5 |
K9-A |
K2-B |
K11-A |
K4-B |
6 |
K9-B |
K9-A |
K11-B |
K11-A |
7 |
K10-A |
K9-B |
K12-A |
K11-B |
8 |
K10-B |
K10-A |
K12-B |
K12-A |
9 |
K17-A |
K10-B |
K19-A |
K12-B |
10 |
K17-B |
K17-A |
K19-B |
K19-A |
11 |
K18-A |
K17-B |
K20-A |
K19-B |
12 |
K18-B |
K18-A |
K20-B |
K20-A |
13 |
K25-A |
K18-B |
K27-A |
K20-B |
14 |
K25-B |
K25-A |
K27-B |
K27-A |
15 |
K26-A |
K25-B |
K28-A |
K27-B |
16 |
K26-B |
K26-A |
K28-B |
K28-A |
17 |
K33-A |
K26-B |
K35-A |
K28-B |
18 |
K33-B |
K33-A |
K35-B |
K35-A |
19 |
K34-A |
K33-B |
K36-A |
K35-B |
20 |
K34-B |
K34-A |
K36-B |
K36-A |
21 |
K41-A |
K34-B |
K43-A |
K36-B |
22 |
K41-B |
K41-A |
K43-B |
K43-A |
23 |
K42-A |
K41-B |
K44-A |
K43-B |
24 |
K42-B |
K42-A |
K44-B |
K44-A |
25 |
GND |
K42-B |
GND |
K44-B |
Row/Column |
A |
B |
C |
D |
1 |
K5-A |
GND |
K7-A |
GND |
2 |
K5-B |
K5-A |
K7-B |
K7-A |
3 |
K6-A |
K5-B |
K8-A |
K7-B |
4 |
K6-B |
K6-A |
K8-B |
K8-A |
5 |
K13-A |
K6-B |
K15-A |
K8-B |
6 |
K13-B |
K13-A |
K15-B |
K15-A |
7 |
K14-A |
K13-B |
K16-A |
K15-B |
8 |
K14-B |
K14-A |
K16-B |
K16-A |
9 |
K21-A |
K14-B |
K23-A |
K16-B |
10 |
K21-B |
K21-A |
K23-B |
K23-A |
11 |
K22-A |
K21-B |
K24-A |
K23-B |
12 |
K22-B |
K22-A |
K24-B |
K24-A |
13 |
K29-A |
K22-B |
K31-A |
K24-B |
14 |
K29-B |
K29-A |
K31-B |
K31-A |
15 |
K30-A |
K29-B |
K32-A |
K31-B |
16 |
K30-B |
K30-A |
K32-B |
K32-A |
17 |
K37-A |
K30-B |
K39-A |
K32-B |
18 |
K37-B |
K37-A |
K39-B |
K39-A |
19 |
K38-A |
K37-B |
K40-A |
K39-B |
20 |
K38-B |
K38-A |
K40-B |
K40-A |
21 |
K45-A |
K38-B |
K47-A |
K40-B |
22 |
K45-B |
K45-A |
K47-B |
K47-A |
23 |
K46-A |
K45-B |
K48-A |
K47-B |
24 |
K46-B |
K46-A |
K48-B |
K48-A |
25 |
GND |
K46-B |
GND |
K48-B |
Row/Column |
A |
B |
C |
D |
1 |
K49-A |
GND |
K51-A |
GND |
2 |
K49-B |
K49-A |
K51-B |
K51-A |
3 |
K50-A |
K49-B |
K52-A |
K51-B |
4 |
K50-B |
K50-A |
K52-B |
K52-A |
5 |
K57-A |
K50-B |
K59-A |
K52-B |
6 |
K57-B |
K57-A |
K59-B |
K59-A |
7 |
K58-A |
K57-B |
K60-A |
K59-B |
8 |
K58-B |
K58-A |
K60-B |
K60-A |
9 |
K65-A |
K58-B |
K67-A |
K60-B |
10 |
K65-B |
K65-A |
K67-B |
K67-A |
11 |
K66-A |
K65-B |
K68-A |
K67-B |
12 |
K66-B |
K66-A |
K68-B |
K68-A |
13 |
K73-A |
K66-B |
K75-A |
K68-B |
14 |
K73-B |
K73-A |
K75-B |
K75-A |
15 |
K74-A |
K73-B |
K76-A |
K75-B |
16 |
K74-B |
K74-A |
K76-B |
K76-A |
17 |
K81-A |
K74-B |
K83-A |
K76-B |
18 |
K81-B |
K81-A |
K83-B |
K83-A |
19 |
K82-A |
K81-B |
K84-A |
K83-B |
20 |
K82-B |
K82-A |
K84-B |
K84-A |
21 |
K89-A |
K82-B |
K91-A |
K84-B |
22 |
K89-B |
K89-A |
K91-B |
K91-A |
23 |
K90-A |
K89-B |
K92-A |
K91-B |
24 |
K90-B |
K90-A |
K92-B |
K92-A |
25 |
GND |
K90-B |
GND |
K92-B |
Row/Column |
A |
B |
C |
D |
1 |
K53-A |
GND |
K55-A |
GND |
2 |
K53-B |
K53-A |
K55-B |
K55-A |
3 |
K54-A |
K53-B |
K56-A |
K55-B |
4 |
K54-B |
K54-A |
K56-B |
K56-A |
5 |
K61-A |
K54-B |
K63-A |
K56-B |
6 |
K61-B |
K61-A |
K63-B |
K63-A |
7 |
K62-A |
K61-B |
K64-A |
K63-B |
8 |
K62-B |
K62-A |
K64-B |
K64-A |
9 |
K69-A |
K62-B |
K71-A |
K64-B |
10 |
K69-B |
K69-A |
K71-B |
K71-A |
11 |
K70-A |
K69-B |
K72-A |
K71-B |
12 |
K70-B |
K70-A |
K72-B |
K72-A |
13 |
K77-A |
K70-B |
K79-A |
K72-B |
14 |
K77-B |
K77-A |
K79-B |
K79-A |
15 |
K78-A |
K77-B |
K80-A |
K79-B |
16 |
K78-B |
K78-A |
K80-B |
K80-A |
17 |
K85-A |
K78-B |
K87-A |
K80-B |
18 |
K85-B |
K85-A |
K87-B |
K87-A |
19 |
K86-A |
K85-B |
K88-A |
K87-B |
20 |
K86-B |
K86-A |
K88-B |
K88-A |
21 |
K93-A |
K86-B |
K95-A |
K88-B |
22 |
K93-B |
K93-A |
K95-B |
K95-A |
23 |
K94-A |
K93-B |
K96A |
K95-B |
24 |
K94-B |
K94-A |
K96-B |
K96-A |
25 |
GND |
K94-B |
GND |
K96-B |
The table below lists the pin assignment of P5. This connector is used for providing power and control to the module board. The IDn lines are for signals that are used for identification of the module board. The DIOn lines are eight digital signals which provide that are general purpose discrete I/O control. The four Sxxxx signals are used for a serial communication link to the module board.
Row/Column |
A |
B |
C |
D |
1 |
GND |
GND |
GND |
GND |
2 |
||||
3 |
+5V |
+5V |
||
4 |
+5V |
+5V |
||
5 |
||||
6 |
||||
7 |
DIO0 |
|||
8 |
DIO1 |
|||
9 |
DIO2 |
+3.3V |
+3.3V |
|
10 |
DIO3 |
+3.3V |
+3.3V |
|
11 |
DIO4 |
|||
12 |
DIO5 |
|||
13 |
DIO6 |
|||
14 |
DIO7 |
|||
15 |
||||
16 |
||||
17 |
||||
18 |
ID0 |
|||
19 |
ID1 |
SCLK |
||
20 |
ID2 |
SCs |
||
21 |
ID3 |
SDIn |
||
22 |
SDOut |
|||
23 |
-12V |
|||
24 |
+12V |
+1.2V |
||
25 |
GND |
GND |
GND |
GND |
P5 Pin Assignments