Specifications

C-20
Reference Guide
Model No.
Running Head
C.3 Alarm Cards
C.3.1 ALR 4+4 Card (8401)
C.3.1.1 ALR 4+4 Card External Connectors and Pinouts
The ALR 4+4 Card has a 50-pin Amphenol female connector (jack) on its faceplate. Figure
C-17 shows the jack, and Table C-14 shows the pinouts for the inbound sensor alarms and
outbound internal alarms.
Figure C-17. ALR 4+4 Card Jack
Table C-14. ALR 4+4 Card Jack Pinouts
Inbound Alarms Outbound Alarms
Sensor Designation Pin Relay Source Norm Close Norm Open
1R1 1 R1(A)7 6 8
T1 26 R1(B) 32 31 33
2R2 2 R2(A)1110 12
T2 27 R2(B) 36 35 37
3R3 3 R3(A)1514 16
T3 28 R3(B) 40 39 41
4R4 4 R4(A)1918 20
T4 29 R4(B) 44 43 45
Pin 25
Pin 1
Pin 50
Pin 26