Esc Alarm (J5); Sd (Ddi) (J6); Ddo (J7); Idi (J8) - Radyne DMD20 Installation And Operation Manual

DMD20/20LBST Universal Satellite Modem
5.13.4

ESC ALARM (J5)

The ESC (Engineering Service Circuits) Alarms Port is a 25-Pin Female "D" Connector. Refer to
Table 5-18 for pinouts.
Table 5-18. ESC ALARM Port 25-Pin Female "D" Connector (J1)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
5.13.5

SD (DDI) (J6)

The Send Data (Drop Data In) Port (Unbalanced) is a 75-Ohm Female BNC Connector.
5.13.6

DDO (J7)

The Drop Data Out Port (Unbalanced) is a 75-Ohm Female BNC Connector.
5.13.7

IDI (J8)

The Insert Data In Port (Unbalanced) is a 75-Ohm Female BNC Connector.
MN-DMD20-20LBST Revision 14
Signal Name
Ground
Backward Alarm Out - 1NO
No Connection
Backward Alarm Out - 2 NO
No Connection
Backward Alarm Out - 3 NO
Ground
Backward Alarm Out - 4 NO
No Connection
Backward Alarm In - 2
Backward Alarm In - 4
No Connection
No Connection
Backward Alarm Out - 1 C
Backward Alarm Out - 1 NC
Backward Alarm Out - 2 C
Backward Alarm Out - 2 NC
Backward Alarm Out - 3 C
Backward Alarm Out - 3 NC
Backward Alarm Out - 4 C
Backward Alarm Out - 4 NC
Backward Alarm In – 1
Backward Alarm In – 3
No Connection
No Connection
Signal Direction
GND ---
ESCBWO 1NO N/A
NC ---
ESCBWO 2NO N/A
NC ---
ESCBWO 3NO N/A
GND ---
ESCBWO 4NO N/A
NC ---
ESCBWI 2 Input
ESCBWI 4 Input
NC ---
NC ---
ESCBWO 1C N/A
ESCBWO 1NC N/A
ESCBWO 2C N/A
ESCBWO 2NC N/A
ESCBWO 3C N/A
ESCBWO 3NC N/A
ESCBWO 4C N/A
ESCBWO 4NC N/A
ESCBWI 1 Input
ESCBWI 3 Input
NC ---
NC ---
Rear Panel Interfaces
5–29