Rear Panel Interfaces
DM240XR-DVB High-Speed Digital Modulator
5-10
TM120 - Rev. 1.1
15 System
GND
Ground
16 D7
-
Input
17 D6
-
Input
18 D5
-
Input
19 D4
-
Input
20 D3
-
Input
21 D2
-
Input
22 D1
-
Input
23 D0
-
Input
24 DVALID
-
Input
25 SYNC
-
Input
5.11.4 Parallel LVDS Interface
This interface is identical to the Parallel RS-422 Interface except that it complies with the LVDS
Electrical Specification.
5.11.5 HSSI Interface
The HSSI (High-Speed Serial Interface) complies with the HSSI Functional and Electrical
Specifications. The physical interface is a 50 Pin SCSI-2 Type Connector. Electrical levels are
ECL. The pin outs for this interface are listed in Table 5-9.
Table 5-9. HSSI (High-Speed Serial Interface) 50-Pin Connector
Pin No. (+)
Pin No. (–)
Signal Name
Description
Direction
1 26
SG Signal
Ground ---
2 27
RT Receive
Timing
Output
3 28
CA DCE
Available
Output
4 29
RD Receive
Data Output
5
30
LC
Loopback Circuit C
Output
6
31
ST
Send Timing (SCT)
Output
7 32
SG Signal
Ground ---
8 33
TA DTE
Available Input
9
34
TT
Terminal Timing (SCTE)
Input
10
35
LA
Loopback Circuit A
Input
11 36 SD
Send
Data
Input
12
37
LB
Loopback Circuit B
Input
13 38 SG Signal
Ground ---
Summary of Contents for DM240XR
Page 2: ......
Page 10: ...Table of Contents DM240XR High Speed Digital Modulator x TM120 Rev 1 1 ...
Page 12: ...Introduction DM240XR High Speed Digital Modulator 1 2 TM120 Rev 1 1 ...
Page 16: ...Installation DM240XR High Speed Digital Modulator 2 4 TM120 Rev 1 1 ...
Page 19: ...DM240XR High Speed Digital Modulator Theory of Operation TM120 Rev 1 1 3 3 ...
Page 55: ...User Interfaces DM240XR High Speed Digital Modulator 4 36 TM120 Rev 1 1 ...
Page 67: ...Rear Panel Interfaces DM240XR DVB High Speed Digital Modulator 5 12 TM120 Rev 1 1 ...
Page 69: ...Maintenance and Troubleshooting DM240XR High Speed Digital Modulator 6 2 TM120 Rev 1 1 ...
Page 79: ...Technical Specifications DM240XR High Speed Digital Modulator 7 10 TM120 Rev 1 1 ...
Page 103: ...Appendix A DM240XR High Speed Digital Modulator A 24 TM120 Rev 1 1 ...
Page 124: ...DM240XR High Speed Digital Modulator Appendix B TM120 Rev 1 1 B 21 ...