Shelf Module Slot Addressing And Size Assignments; I/O Connector Grounding - Symmetricom SSU-2000 User Manual

Shelf Module Slot Addressing and Size Assignments

Shelf Module Slot Addressing and Size Assignments
Table D-8 outlines the shelf module slot addressing and size assignments.
Table D-8. Shelf Module Slot Addressing and Size Assignments
Slot-A Address
1 1
2 2
3 3
4 4
5 5
6, 7 6, 7
8, 9 8, 9
10, 11 10, 11
12 - 15
12 17
0

I/O Connector Grounding

Table D-9 outlines I/O connector grounding for all connectors.
Table D-9. I/O Connector Grounding
Name
Local OSC A BNC
Local OSC B BNC
Ethernet RJ45
10-Base-T
Serial Port A DE9S
Serial Port B DE9S
418 SSU-2000 User's Guide
Module Types
Clock
Com
I/O or Receiver
I/O, Output Pair A
I/O, Output Pair A or Receiver
I/O, Output Pair B
I/O, Output Pair C
I/O, Output Pair D
I/O, Extras
Clock
All
Connector Reference
Type Description
J1
J2
J3
J4
J5
Comments
Clock A
Communications
Input, non-redundant Output, or a GPS
Receiver module
Input or Output, paired with 5
Input, Output, paired with 4, or a GPS
Receiver module
Inputs or paired Output modules
Inputs or paired Output modules
Inputs or paired Outputs modules
Reserved for future I/O
Clock B
Addresses all modules in the Shelf
Termination Type
Body/Shield: Connected to Frame Ground Plane
Body/Shield: Connected to Frame Ground Plane
Body/Shield: Connected to Frame Ground Plane
Body/Shield: Connected to Frame Ground Plane
Body/Shield: Connected to Frame Ground Plane
12713020-002-2 Revision D – April 2004