Subtending Software; Default Signal And Alarm Modes - Symmetricom TSG-3800 Series User Manual

Subtending Software

The 3800 Subtending TSG software differs from the standard TSG-3800 software
version by supporting hardware and functionality changes in the following
categories:
Specific hardware support
System default settings
TL1 support
The 3800 Subtending TSG software supports specific modules in the Input, CPU,
Clock, and Frame Generator slot positions. They are: 1-Port DS1 Input module (P/N
23478303-002-0), Composite Clock Input module (P/N 23476674-000-0) in the
input slots, CPU w/Ethernet Module (P/N 23478301-001-0) in the CPU slot, Stratum
3E Clock Module (P/N 23478272-001-0) in the clock slot, and T1/E1 Frame
Generator module W/Bypass (P/N 23478486-001-0) in the frame generator slots
and are the only modules supported in this configuration of the TSG-3800, other
than Output modules, which are all supported.
A CPU module that has 3800 Subtending TSG software installed will identify the
Input, Clock, and Frame Generator modules that are provisioned in the system. If
the wrong modules are installed the software generates a Major Alarm indicating
that the installed hardware is not supported and that the system has an invalid
configuration.
The functionality of the Frame Generator module differs in the 3800 Subtending
TSG software from the standard TSG-3800 software. This difference in functionality
is required for the 3800's phase-following feature, a Telcordia requirement for
Subtending TSGs.
The 3800 Subtending TSG software operates similar to the standard software but
does not allow the user to provision some aspects of the system, including the
system default settings, in order to meet the Telcordia requirements. The settings
that are affected are the signal fault alarm modes as shown in
these parameters for the alarm modes allows the 3800 Subtending configuration to
properly phase-follow any reference signal that is within the Subtending TSG's
specified signal stability range.
Table 8-1. Default Signal and Alarm Modes
Fault
AIS
OOF
BPV
CRC
12778474-002-2 Revision F – March 2004
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
CC Input
Ignore Fail
Ignore Fail
Ignore Fail
Ignore Fail
Subtending Operating Mode
Functional Description
Table
DS1 Input
TSG-3800 User's Guide 297
8-1. Changing