Operating instructions

Rear Panel Interfaces DMD50 Universal Satellite Modem
5-12 TM118 – Rev. 1.1
58 IDR ESC Transmit 8 Kbps
Output Clock - B
ESCTXC-B Output
59 IDR ESC Transmit 8 Kbps
Output Data - B
ESCTXD-B Input
60 IDR ESC Receive 8 Kbps
Clock Output - B
ESCRXC-B Output
61 IDR ESC Receive 8 Kbps
Data Output - B
ESCRXD-B Output
62 IDR ESC Backward Alarm
Out - 4 Normally Open
ESCBWO 4NO No Direction
63 IBS Transmit Octet Input - B TXO-B Input
64 Synchronous Data – Data Mode
Out - B
SYNC DM-B Output
65 Synchronous Data - Clear to
Send - B
SYNC CS-B Input
66 IBS Receive Octet Output - B RXO-B Output
67 Synchronous Data Request to
Send – B
SYNC RS-B Input
68 Synchronous Data Receiver
Ready - B
SYNC RR-B Output
5.4.6 SD (DDI) (J6)
The Send Data (Drop Data In) Port (Unbalanced) is a 75-Ohm Female BNC Connector.
5.4.7 DDO (J7)
The Drop Data Out Port (Unbalanced) is a 75-Ohm Female BNC Connector.
5.4.8 IDI (J8)
The Insert Data In Port (Unbalanced) is a 75-Ohm Female BNC Connector.
5.4.9 SD (IDO) (J9)
The Send Data (Insert Data Out) Port (Unbalanced) is a 75-Ohm Female BNC Connector.
5.5 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.