Sd (Ddi) (J6); Ddo (J7); Idi (J8); Sd (Ido) (J9) - Radyne DMD2050 Operation Manual

Rear Panel Interfaces
23 Backward Alarm In – 3
24
25

5.8.5 SD (DDI) (J6)

The Send Data (Drop Data In) Port (Unbalanced) is a 75-Ohm Female BNC Connector.

5.8.6 DDO (J7)

The Drop Data Out Port (Unbalanced) is a 75-Ohm Female BNC Connector.

5.8.7 IDI (J8)

The Insert Data In Port (Unbalanced) is a 75-Ohm Female BNC Connector.

5.8.8 SD (IDO) (J9)

The Send Data (Insert Data Out) Port (Unbalanced) is a 75-Ohm Female BNC Connector.
5.9

HSSI / Ethernet

5.9.1 HSSI (J1)

The HSSI (High-Speed Serial Interface) (J1) complies with the HSSI Functional and Electrical
Specifications. The physical interface is a 50-Pin SCSI-2 Type Connector. Electrical levels are
ECL. The pinouts for this interface are listed in Table 5-19.
Table 5-19. J1 – 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
5-22
No Connection
No Connection
Signal Name
26 SG
27 RT
28 CA
29 RD
31 ST
32 SG
33 TA
34 TT
36 SD
38 SG
5 Ancillary to
DCE
44 SG
DMD2050 Universal Satellite Modem
ESCBWI 3
NC
NC
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
Input
---
---
Direction
---
Output
Output
Output
Output
---
Input
Input
Input
---
Input
---
TM110 - Rev. 1.3