User manual

Chapter 4. Operation
35 Version 1.2 Apr 2006
The Alarm Relays may be set to activate the "audible" alarm relay only, the "visual" alarm
relay only, both the "audio" and "visual" relays, or to disable the relays. After selecting the desired
action, press the <ESC> key to exit this menu.
4.5.4 System Reset
The "Load Default Setting" option of the System Parameter setting menu, on the previous
page, is the method to completely restore the unit to the factory defaults. All channel service status
will be "ON", all loop back settings will be "OFF" and all timing modes on data port cards will be
reset to "Transparent". In addition, the real time clock will be reset to October 2003.
We will <ESC> back to the Define System configuration and select "2" for Optical Port
Configuration.
4.5.5 Optical Configuration
LOCAL <<< Define Optical >>>
1. Optical 1 [ Work ]
2. Optical 2 [ Standby ]
3. ALS [ Auto ]
4. Loopback [ OFF ]
Please select the item or <ESC> to previous menu.
The functions in this menu allow configuration of the Optical Card as follows:
Optical 1 set to working mode or Off
Optical 2 set to Standby mode or Disabled
ALS (Auto Laser Shutoff) set to Auto or Disabled
Loopback set to Off or to Local loopback
4.5.6 Port Option Configuration
If we <ESC> back to the "Define System" menu we can configure the card in Port 1 by
pressing "3". The following will be displayed. Here is the example for the E1 4-channel module
(unbalanced 75 Ohm)
LOCAL <<< Define Port 1 Parameter >>>
Ch A Ch B Ch C Ch D
1. Service ON ON ON ON
2. Line Code HDB3 HDB3 HDB3 HDB3
3. Loopback OFF OFF OFF OFF
Please Select Channel A ~ D or <ESC> to previous menu
The service status, Line Code setting, and Loopback mode are displayed for each of the 4
channels. To change any of the channel settings, select the individual channel with the
corresponding letter A~B~C~D or press <ESC> to exit this menu.