DM240-DVB High-Speed Digital Modulator
Rear Panel Interfaces
TM083 – Rev. 3.0
5-9
5.12 Serial RS-422 Interface
This serial interface is supported on a DB-37 Female Connector. It complies with RS-422/
RS-449 Electrical Specifications. Refer to Figure 5-7 for the pinouts for this interface. The
maximum data rate is 16 Mbps.
Table 5-7. J9 - Serial RS-422 Interface
Pin No.
Signal Name
Direction
1 Shield
GND
4
Send Data (SD) A
Input
5
Send Timing (SCT) A
Output
7
Request To Send (RTS) A
Output
9
Clear to Send (A)
Output
11
Data Mode (DM) A
Output
14 NA
---
15 NA
---
17
Terminal Timing (SCTE) A
Input
19 Signal
GND
GND
20 Common
GND
22
Send Data (SD) B
Input
23
Send Timing (SCT) B
Output
25
Request to Send (RTS) B
Input
27
Clear To Send (CTS) B
Output
29
Data Mode (DM) B
Output
33 NA
---
35
Transmit Timing (SCTE) B
Input
37 Common
GND
5.13 G.703 Interface
The G.703 Interface supports the following G.703 Rates: E1, T1, E2, T2, E3, T3, and STS-1. The
interface complies with G.703 Electrical Specifications. Table 5-8 lists the data rate and physical
interface for each rate.
Содержание DM240-DVB
Страница 3: ......
Страница 13: ...Introduction DM240 DVB High Speed Digital Modulator 1 2 TM083 Rev 3 0...
Страница 17: ...Installation DM240 DVB High Speed Digital Modulator 2 4 TM083 Rev 3 0...
Страница 23: ...User Interfaces DM240 DVB High Speed Digital Modulator 4 4 TM083 Rev 3 0 Figure 4 2 DM240 Main Programming Menu...
Страница 49: ...User Interfaces DM240 DVB High Speed Digital Modulator 4 30 TM083 Rev 3 0 Figure 4 12 RF Switch Control Menu...
Страница 63: ...Maintenance and Troubleshooting DM240 DVB High Speed Digital Modulator 6 2 TM083 Rev 3 0...
Страница 67: ...Technical Specifications DM240 DVB High Speed Digital Modulator 7 4 TM083 Rev 3 0...
Страница 106: ...Appendix B DM240 DVB High Speed Digital Modulator B 16 TM083 Rev 3 0...