User Manual

© Sealevel Systems, Inc.
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REL-32.PCI User Manual
DB-78 Female Pin Assignment
This table shows the pin assignments via the card edge connector.
Port 1 Port 2
Relay A Side Relay B Side Relay A Side Relay B Side
Relay Port 1 - A Pin Port 1 - B Pin Relay Port 2 - A Pin Port 2 - B Pin
K1 1 2 1 20 K9 1 10 1 28
K2 2 3 2 21 K10 2 11 2 29
K3 3 4 3 22 K11 3 12 3 30
K4 4 5 4 23 K12 4 13 4 31
K5 5 6 5 24 K13 5 14 5 32
K6 6 7 6 25 K14 6 15 6 33
K7 7 8 7 26 K15 7 16 7 34
K8 8 9 8 27 K16 8 17 8 35
Port 3 Port 4
Relay A Side Relay B Side Relay A Side Relay B Side
Relay Port 3 - A Pin Port 3 - B Pin Relay Port 4 - A Pin Port 4 - B Pin
K17 1 39 1 57 K25 1 47 1 65
K18 2 40 2 58 K26 2 48 2 66
K19 3 41 3 59 K27 3 49 3 67
K20 4 42 4 60 K28 4 50 4 68
K21 5 43 5 61 K29 5 51 5 69
K22 6 44 6 62 K30 6 52 6 70
K23 7 45 7 63 K31 7 53 7 71
K24 8 46 8 64 K32 8 54 8 72
Power and Ground Pin Assignments
Via DB-78 Female card edge connector.
Ground 18, 36, 37, 55, 73, 74
+ 5 Volts 19, 56
+ 12 Volts 1, 38