Rear Panel Connectors; Hssi / Ethernet Connectors - Comtech EF Data DMD-2050E Installation And Operation Manual

DMD2050E Universal Satellite Modem
5.3

Rear Panel Connectors

CAUTION
Before you connect any cable to the unit, examine the connector labels. Make sure to
use the correct mating connector when you connect a cable to the unit.

5.3.1 HSSI / Ethernet Connectors

Label
HSSI J1
ETHERNET 10/100/1000
DATA INTERFACE JS2
Pin No. (+)
1
2
3
4
6
7
8
9
11
13
14 - 18
19
20 - 23
24
25
50
MN-DMD2050E Revision 2
Description
High-Speed Serial
Interface Port
Ethernet Data
Interface Port
Table 5-3. Pinouts for J1 HSSI 50-Pin SCSI-2 Connector
Pin No. (–) Signal Name
26 SG
27 RT
28 CA
29 RD
31 ST
32 SG
33 TA
34 TT
36 SD
38 SG
39 – 43 5 Ancillary to DCE
44 SG
45 - 48 4 Ancillary from DCE
49 TM
N/A MOD_FLT
N/A DMD_FLT
Connector Type Notes
50-pin SCSI-2 1.
2.
3.
RJ45 10/100/1000 1.
Base-T
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
External Connections
Complies with the HSSI Functional
and Electrical Specifications
Electrical levels are ECL
Gapped clocking is not allowed
Allows Auto-Crossover and Auto-
Sensing
Direction
---
Output
Output
Output
Output
---
Input
Input
Input
---
Input
---
Output
Output
Output
Output
5–4