Comtech EF Data DMD2401/DMD2401L User Manual
Page 153
Electrical Interfaces
DMD2401/DMD2401L/DMD2401 IBS/IDR Satellite Modem
5-14
TM065 – Rev. 3.3
5.5.10 IBS ALARMS (J14)
The IBS Alarms Interface Port (J14) is a 25-Pin Female “D” Connector. Refer to Table 5-12 for
connector pinouts.
Table 5-12. IBS Alarms Interface - 25-Pin Female “D” (J14)
Pin Number
Signal
Description
Direction
1
GND
Ground
–
2
IBS Prompt 1NO
Prompt Alarm Out-1 NO
Output
3
NC
Not Connected
–
4
IBS Service 2NO
Service Alarm Out-2 NO
Output
5
NC
Not Connected
–
6
–
Not Used
–
7
GND
Ground
–
8
–
Not Used
–
9
NC
No Connection
–
10
–*
Not Used
–
11
–*
Not Used
–
12
NC
No Connection
–
13
NC
No Connection
–
14
IBS Prompt 1C
Prompt Alarm Out-1 C
Output
15
IBS Prompt 1NC
Prompt Alarm Out-1 NC
Output
16
IBS Service 2C
Service Alarm Out- 2 C
Output
17
IBS Service 2NC
Service Alarm Out- 2 NC
Output
18
–
Not Used
–
19
–
Not Used
–
20
–
Not Used
–
21
–*
Not Used
–
22
ESCBWI 1*
Backward Alarm In- 1
Input
23
–
Not Used
–
24
NC
No Connected
–
25
NC
No Connected
–
* Internally pulled up 5 V on these pins. Do not use as a power supply.