CANOGA PERKINS N525 Ethernet Termination Service Unit - Manual (Page 80)

4-4 N525 Ethernet Termination Service Unit
Use the System Alarms Screen to view alarms and faults on the N525 and its remote
partner. To view alarm status, follow these steps:
1. From the Main Menu, type [ 4 ], "System Alarms," and press <Enter>. The System
Alarms Screen appears.
2. When you finish checking the Alarm status, press <Esc> to return to the Main Menu.
New Installation
On new installations, make sure that all steps in Chapter 2 are complete, and then follow
these steps:
1. Check that the STA LED is green.
2. Check that the fiber type (multimode or single mode) matches the N525 Optical
Interface. A listing of the N525’s Interface modules and their media types (UTP, Single
Mode, Multimode) is in Chapter 5.
3. Make these checks:
a. All fiber cabling is of the same type; do not mix multimode and single mode
cables.
b. The fiber optic cable is within the specifications and loss budget of the optic
interface module.
c. The line length between the N525 and the remote link does not exceed the
allowable loss budget or overdrive limit.
d. All host modules in the link are turned on.
e. All fiber cables are connected Tx to Rx and Rx to Tx.
Fiber Optics Problems
If the System Alarms Screen shows that an Extension Port link is down, inspect and clean
the cables and connectors and replace any damaged fiber. Retest modules after cleaning.
Configuration Problems
If a configuration error appears and you have difficulty isolating the fault, you can reset all
configurable settings to default except for the time and date, password, BOOTP setting, and
TELNET timeout. Then restart your configuration process. To reset the N525’s
configuration to default, follow these steps:
1. At the Main Menu, type [ 6] , "Utilities," and press <Enter>.`
2. At the Utilities Menu, type [ 2 ], "Reset Configuration To Default," and press <Enter>
follow the prompts on the screen.
3. To return to the Main Menu, press <Esc>.