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Symmetricom TimeProvider 1100 User Manual

Symmetricom TimeProvider 1100
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Chapter 4 Provisioning the TimeProvider
Provisioning the Input Reference
102 TimeProvider User’s Guide 097-58001-02 Revision C – August 2005
Setting the Input Frame Type
Use the ED-SYNC command to provision the type of framing present on the input
signal.
ED-SYNC:[<tid>]:<aid>:[<ctag>]::<keyword>=<value>;
If you provision the TimeProvider to the Subtending mode (see Setting the System
Mode, on page 96), then the input frame type is automatically set to Composite
Clock type signals. You can set the FRMTYPE to CC, JCC, or JCC4 when the
TimeProvider is in the Subtending mode.
When using E1 signals in the SSU mode, you can only enter CCS in the FRMTYPE
keyword. The TimeProvider accepts both CCS and CAS inputs without a fault (if the
input is fault-free).
This command has a default access level of ADMIN.
Sample Command
ED-SYNC::INP1:TS1000::FRMTYPE=ESF;
Autonomous Message
TP-SSU 03-10-24 10:50:05
A 1181 REPT EVT
“INP1,T1:NA,FRMTYPE,NSA,03-10-24 10-50-05:\"INPUT FRAMING
TYPE HAS CHANGED,ESF\””
;
Controlling Automatic Reference Switching
The TimeProvider can determine which input reference signal has the highest
quality. When the active reference signal falls below a preset quality level, the
TimeProvider can automatically switch to the next highest input reference signal. To
use this feature, you must enable Automatic switching.
You can also use the performance monitoring features to automatically switch the
input reference signal when user-defined performance thresholds are crossed. See
Setting MTIE and FFOFF Thresholds, on page 108 for more information on setting
and using performance monitoring commands.
<aid> <keyword> <value> Description Default value
INPp
p = 1 | 2
System input
FRMTYPE 2M (2.048 MHz) | CCS |
D4 | ESF | 1.544 MHz |
6.312 MHz | CC | JCC |
JCC4
Provisions the frame
signal type used by
the input.
2M (E1)
ESF (T1)

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Symmetricom TimeProvider 1100 Specifications

General IconGeneral
BrandSymmetricom
ModelTimeProvider 1100
CategoryClock
LanguageEnglish

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