Serial Rs-422 Interface; Interface - Radyne ComStream DM240-DVB Installation And Operation Manual

DM240-DVB High-Speed Digital Modulator

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.
Pin No. Signal Name
1 Shield
4 Send Data (SD) A
5 Send Timing (SCT) A
7 Request To Send (RTS) A
9 Clear to Send (A)
11 Data Mode (DM) A
14 NA
15 NA
17 Terminal Timing (SCTE) A
19 Signal GND
20 Common
22 Send Data (SD) B
23 Send Timing (SCT) B
25 Request to Send (RTS) B
27 Clear To Send (CTS) B
29 Data Mode (DM) B
33 NA
35 Transmit Timing (SCTE) B
37 Common
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.
TM083 – Rev. 3.0
Table 5-7. J9 - Serial RS-422 Interface
Rear Panel Interfaces
Direction
GND
Input
Output
Output
Output
Output
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Input
GND
GND
Input
Output
Input
Output
Output
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Input
GND
5-9