User guide

4-1

Maintenance 4

This chapter discusses maintenance methods for the Solo E1 DSU:

¥ ÒMenu-1 Main StatusÓ on page 4-2

¥ ÒMenu-2 Data StatusÓ on page 4-5

¥ ÒCheck EfÞciency with Menu-3 Performance ReportsÓ on page 4-6

¥ ÒEvent LogÓ on page 4-12

The Solo E1 DSU collects and displays performance data to help you

manage and troubleshoot problems on the network. It monitors the line

continuously and displays the data on a terminal screen.

You can monitor and manage the Solo E1 DSU:

¥ From an ANSI terminal

¥ A Telnet connection

¥ An SNMP network management station (NMS) connected to the

COMM port.

The front panel LEDs also show the Solo E1 DSU status (refer to ÒInstalling

the ModuleÓ on page 2-18).

Monitor the status of the Solo E1 DSU from Menu-1 Main Status and the

status of the single DATA port from Menu-2 Data DTE Status.

Use the menus to troubleshoot the Solo E1 DSU:

¥ Menu-1 Main StatusÑdisplays Solo E1 DSU status

¥ Menu-3 Performance ReportsÑdisplays carrier and user registers, and

the event log.

¥ Menu-9 DiagnosticsÑto verify connections and circuits and

troubleshoot problems (refer to Figure 5-1 on page 5-2).

How Alarms Are Reported and Displayed

The Solo E1 DSU always reports all alarm conditions to either:

¥ The device connected to its COMM port (such as a terminal, printer, or

modem).

¥ The device connected to the COMM port of the remote device if

Connection is set to IBC (in Menu-8 Alarm II) on the local device.