Cisco Model 6109 6 MHz Off-Air Reference (NTSC) Guía De Instalación
Replacing GQAMs with RFGW-1 QAMs
4039132 Rev B
365
Replacing GQAMs with RFGW-1 QAMs
Overview
The following procedure is recommended for a site replacing GQAMs with RFGW-1
QAMs. This procedure is based on creating and loading information using
configuration files. Managing via configuration files has the advantages of being
able to prepare the files in advance and to be able to verify accuracy prior to being
activated in the field. Also, the following procedure allows you to pre-configure
your working USRM with RFGW-1 QAMs during the day without affecting service
by, or the performance of, the existing GQAMs and USRM.
QAMs. This procedure is based on creating and loading information using
configuration files. Managing via configuration files has the advantages of being
able to prepare the files in advance and to be able to verify accuracy prior to being
activated in the field. Also, the following procedure allows you to pre-configure
your working USRM with RFGW-1 QAMs during the day without affecting service
by, or the performance of, the existing GQAMs and USRM.
When using this procedure, perform the following steps before a maintenance
window.
1 Prepare the configuration files in advance.
2 Provision the RFGW-1 QAMs with service group information without impacting
window.
1 Prepare the configuration files in advance.
2 Provision the RFGW-1 QAMs with service group information without impacting
service to customers by placing the QAMs OutOfService.
3 Create the RFGW-1 QAMs on an active USRM without impacting service to
customers.
4 Associate service groups to output ports.
You then perform the following steps during a maintenance window.
5 Remove the GQAMs from the USRM.
6 Enable the RFGW-1 QAMs to begin servicing the customers by placing the
6 Enable the RFGW-1 QAMs to begin servicing the customers by placing the
QAMs InService.
Creating Configuration Files
Four configuration files must be prepared in advance for each USRM. Use a text
editor such as Notepad. The names below are just suggestions, but will be used in
the following examples. If you use different names, choose descriptive names that
associate the files with an individual USRM.
editor such as Notepad. The names below are just suggestions, but will be used in
the following examples. If you use different names, choose descriptive names that
associate the files with an individual USRM.
The four files and their specific uses are:
Gqams2Remove_Servername.txt
lists the GQAMs to remove from the USRM
Servername is the name or IP address of the USRM