Cisco 15216 EDFA2 Specifications Page 39

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3-7
Cisco ONS 15216 EDFA2 Operations Guide
78-16033-01
Chapter 3 Installation
Communications
3.5.2.3 LOS LED (Yellow)
The loss of signal (LOS) LED is yellow. This LED functions as follows:
On: The optical input power to the ONS 15216 EDFA2 is below the loss of input threshold. (A LOS
threshold decision occurs.)
Off: The optical input power is within the input threshold (or no –48 VDC power is present).
In the on condition, the third pair of alarm relay contacts in the RJ-45 connector changes from a normally
open condition to a closed condition. The LED and alarm automatically reset when the condition clears.
3.5.2.4 Ethernet Socket LEDs
Two LEDs are located at the top left and right sides of the Ethernet socket. These LEDs are both green.
These LEDs function as follows:
If left Ethernet socket LED is on, the link is up.
If right Ethernet socket LED is on or flashing, there is Ethernet traffic.
3.5.3 Serial Interface (EIA/TIA-232) Communication
This section describes communication with the ONS 15216 EDFA2 using a serial connection.
3.5.3.1 Required Equipment
Establishing a serial communications link with a ONS 15216 EDFA2 requires the equipment listed in
Table 3-3.
3.5.3.2 Serial Connection Procedure
To set up an EIA/TIA-232 link to the ONS 15216 EDFA2, use the following procedure. (The procedure
uses HyperTerminal and a connection via the COM1 port.)
Step 1 Connect the DB-9F end of the EIA/TIA-232 data cable (straight cable, user provided) to the laptop COM
port.
Step 2 Connect the DB-9M end of the EIA/TIA-232 data cable to the RS-232 (EIA/TIA-232) serial port
connection on the front panel of the ONS 15216 EDFA2.
Step 3 Open HyperTerminal. (HyperTerminal can be found in the Microsoft Windows Accessories menu.)
Step 4 Type Optical Amplifier, select an icon, and click OK.
Table 3-3 Equipment Checklist
Hardware Comments
Laptop or computer running a Terminal
application.
User-provided. HyperTerminal can be found in the
Microsoft Windows Accessories menu.
EIA/TIA-232 cable with DB-9F/DB-9M
connectors wired as shown in Figure 3-8 on
page 3-14.
Provides EIA/TIA-232 link to ONS 15216 EDFA2.
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