4 alarms (j2) – Comtech EF Data SMS-7000 User Manual
Page 65
SMS-7000 Modem Protection Switch
Installation
Rev. 3
2–31
2.6.2.4 Alarms
(J2)
The Alarms (J2) interface accommodates alarms as defined by IBS, IDR, and D&I data
formats. A relative demodulator signal strength (AGC_OUT) is also provided on this
connector. The alarms connector is a 25-pin female D with one connector per channel.
The pinouts are shown in Table 2-12.
Table 2-12. Alarms (J2) Connectors
Signal Name
Pin #
IBS
IDR
D&I
1
N/C
N/C
N/C
2
N/C
BWO1 C
N/C
3
N/C
BWO1 NC
N/C
4
N/C
BWO2 NO
N/C
5
PROMPT COM
BWO3 C
PROMPT COM
6
PROMPT NC
BWO3 NC
PROMPT NC
7
SERVICE NO
BWO4 NO
SERVICE NO
8
N/C
DF COM
N/C
9
N/C
DMA
N/C
10
N/C
BWI 2
N/C
11
N/C
BWI 4
N/C
12
N/C
N/C
N/C
13
AGC_OUT
AGC_OUT
AGC_OUT
14
GND
GND
GND
15
N/C
BWO1 NO
N/C
16
N/C
BWO2 C
N/C
17
N/C
BWO2 NC
N/C
18
PROMPT NO
BWO3 NO
PROMPT NO
19
SERVICE COM
BWO4 C
SERVICE COM
20
SERVICE NC
BWO4 NC
SERVICE NC
21
N/C
DF NO
N/C
22
N/C
BWI 1
N/C
23
N/C
BWI 3
N/C
24
N/C
N/C
N/C
25
GND
GND
GND
26
RT B
8K RXC B
L
27
CTS B
CTS B