Appendix A Pinouts
Installation and Operation Manual
A-2
FOM-E1/T1 /R Modem Card
FOM-E1/T1 Ver. 2.0
A.2 FOM-E1/T1 /R Modem Card
The 25-pin D-type female connector on the rear panel of the ASM-MN-214
modem rack serves as an alarm relay port.
Table A-3
lists the functions of the
DB-25 pins.
Table A-3 ASM-MN-214, DB-25 Pin Assignment
Pin Contact
Alarm
Type
10, 22
Normally Closed
10, 21
Normally Open
Minor
13, 25
Normally Closed
13, 24
Normally Open
Major
The relay positions are shown in the non-energized (alarm active) state.