Ethernet Data Interface (Optional); High-Speed Serial Interface (Hssi) (Optional); Hssi (J6) - Radyne DMD50 Installation And Operation Manual

DMD50 Universal Satellite Modem

5.10 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.

5.11 High-Speed Serial Interface (HSSI) (Optional)

5.12 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 5-12.
Table 5-12. J9 – HSSI (High-Speed Serial Interface) 50-Pin Connector
Pin No. (+) Pin No. (–)
1
2
3
4
6
7
8
9
11
13
14 - 18 39 – 43
19
45 - 48
20 - 23
24
25
50
MN-DMD50 Revision 4
Signal Name
26 SG
27 RT
28 CA
29 RD
31 ST
32 SG
TA
33
34 TT
36 SD
38 SG
5 Ancillary to DCE
44 SG
4 Ancillary from DCE
49 TM
N/A MOD_FLT
N/A DMD_FLT
Description
Signal Ground
Receive Timing
DCE Available
Receive Data
Send Timing (SCT)
Signal Ground
DTE Available
Terminal Timing (SCTE)
Send Data
Signal Ground
Reserved
Signal Ground
Reserved
Test Mode
Alarm
Alarm
Rear Panel Interfaces
Direction
---
Output
Output
Output
Output
---
Input
Input
Input
---
Input
---
Output
Output
Output
Output
5–12