User manual

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EMCORE Broadband
2015 West Chestnut Street
A
lhambra, California 91803-1542
Tel: [phone]
Fax: [phone]
Copyright 2008. EMCORE Corporation
EOS 6000 Optical A/B Switch
USER MANUAL | SEPTEMBER 9, 2008
Sample Application
The diagram below shows a typical CATV application that allows fully redundant transmitters and fiber paths,
with automatic protection to the network via the EOS-6000 switch. Contact your Emcore sales representative
for more information on Emcore’s complementary product lines.
Functionality
Network management
The EOS-6000 supports SNMP1.0 protocol for remote network management. In addition to SNMP, the
EOS-6000 also supports web browser, telnet and remote firmware upgrade.
EOS-6000 supports the following Network Management functions.
1) Monitoring the main and backup channel’s optical power;
2) Obtaining the output status;
3) Switching between the main line and the backup line
4) Setting up the following parameters:
Parameters Description
Switching
Threshold
Power value for auto-switch
Pre-alarm
dB value
The Pre-alarm power value (dBm) (for warning) =
Switching Threshold + Pre-alarm dB value
Operating
mode
Mode 0: Switch remains on the backup line even if
the power of the main line returns to normal.
Mode 1: Switches to the main line when the power of
the main line rises above the Pre-alarm power value
(dBm).
See the “EOS-6000 Network Management Manual” for more information.
Output Indication
1) A blinking LED on either the main line or backup line indicates the current working channel.
2) If the working channel’s optic power is: