Setting An E1/T1 Input As Reference - Symmetricom TimeProvider 5000 User Manual

Setting an E1/T1 Input as Reference

An E1 or T1 input can be configured as a frequency reference. For details about
configuring the E1 or T1 input parameters, see
E1/T1 Inputs, on page 318.
Example
To provision I/O ports 1 and 2 as inputs and use either as the reference, perform the
following steps:
1. Login at the Admin or Config-user level (see
2. Type
set ref mode frequency
Note: Command "set ref mode time" has the same meaning as
"set tod-source GPS" and the command "set ref mode
frequency" has the same meaning as "set tod-source sys".
The
3. Type
set ref criteria priority
Note: The reference criteria MANUAL is no longer supported. Only
PRIORITY and SSM are supported for reference selection.
Manual selection of a reference input can be done by disabling all
reference input ports except the desired one.
The "set ref override" command is no longer supported.
4. Type
set io port1 input
5. Type
set io port2 input
6. Type
set input state port1 enable
7. Type
set input state port2 enable
8. Type
show ref
to Frequency..
Note: Disabling the input port will clear all alarms and events related
to this port.
098-00028-000 Revision F – May, 2012
and press Enter.
set tod-source
command has been deprecated.
and press Enter.
and press Enter.
and press Enter to verify that the reference mode has been set
Provisioning the Input Reference
Provisioning the Programmable
Logging In, on page 275).
and press Enter.
and press Enter.
and press Enter.
TimeProvider 5000 User's Guide 317
Chapter 4 Provisioning