Sd (Ddi) (J6); Ddo (J7); Idi (J8); Sd (Ido) (J9) - Comtech EF Data DMD50 Installation And Operation Manual

DMD50 Universal Satellite Modem
Pin
No.
57 Ground
58 IDR ESC Transmit 8 Kbps
59 IDR ESC Transmit 8 Kbps
60 IDR ESC Receive 8 Kbps
61 IDR ESC Receive 8 Kbps
62 IDR ESC Backward Alarm
63 IBS Transmit Octet Input - B
64 Synchronous Data – Data Mode Out - B
65 Synchronous Data - Clear to
66 IBS Receive Octet Output - B
67 Synchronous Data Request to Send – B
68 Synchronous Data Receiver Ready - B

5.9.2 SD (DDI) (J6)

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

5.9.3 DDO (J7)

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

5.9.4 IDI (J8)

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

5.9.5 SD (IDO) (J9)

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

5.10 Ethernet Data Interface (Optional)

The optional DMD50 Ethernet Data Interface provides four RJ-45, Auto-Crossover and Auto-
Sensing, 10/100 Ethernet Data Ports. JS1 through JS4 may be referred to Port 1 through Port 4
respectively.
MN-DMD50– Revision 3
Signal Name
Output Clock - B
Output Data - B
Clock Output - B
Data Output - B
Out - 4 Normally Open
Send - B
Signal
GND
ESCTXC-B
ESCTXD-B
ESCRXC-B
ESCRXD-B
ESCBWO
4NO
TXO-B
SYNC DM-B
SYNC CS-B
RXO-B
SYNC RS-B
SYNC RR-B
User Interfaces
Direction
---
Output
Input
Output
Output
No Direction
Input
Output
Input
Output
Input
Output
5–13