Radyne DMD50 Instrucciones de operaciones Pagina 110

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DMD50 Universal Satellite Modem Rear Panel Interfaces
TM118 – Rev. 1.1 5-13
5.6 High-Speed Serial Interface (HSSI) (Optional)
5.6.1 HSSI (J6)
The HSSI (High-Speed Serial Interface) (J6) complies with the HSSI Functional and Electrical
Specifications. The physical interface is a 50-Pin SCSI-2 Type Connector. Electrical levels are
ECL. Gapped clocking not supported. The pinouts for this interface are listed in Table 5-11.
Table 5-11. J9 – 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
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
11 36 SD Send Data Input
13 38 SG Signal Ground ---
14 - 18 39 – 43 5 Ancillary to
DCE
Reserved Input
19 44 SG Signal Ground ---
20 - 23 45 - 48 4 Ancillary
from DCE
Reserved Output
24 49 TM Test Mode Output
25 N/A MOD_FLT Alarm Output
50 N/A DMD_FLT Alarm Output
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