Specifications

3-7
Cisco ONS 15216 EDFA2 Operations Guide
78-13908-02
Chapter 3 Installation
Communications
Note Unless overridden by the user, the gain per channel is automatically set by the ONS 15216
EDFA2. Gain is fixed at 22 dB as long as total input power is less than or equal to –5 dBm. If
your input power is higher than –5 dBm, see the “Set Gain” section on page 4-4.
Serial Interface (RS-232) – Local and Remote and Communication via Modem or
Telnet
Communication with the ONS 15216 EDFA2 is accomplished through a serial connection.
Required Equipment
Establishing a serial communications link with a ONS 15216 EDFA2 requires the equipment listed in
Table 3-4.
RS-232 Connection Procedure
To set up an RS-232 link to the ONS 15216 EDFA2, use the following procedure. (The procedure uses
HyperTerminal and a connection via port 1.)
Step 1 Connect the DB-9F end of the RS-232 data cable (user provided) to the laptop COM port.
Step 2 Connect the other end of the RS-232 data cable to the RS-232 serial port connection on the front access
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.
Step 5 In the Connect To dialog box (Figure 3-2), click Direct to Com1 in the Connect using field. Click OK.
Table 3-3 Gain Range
Gain Total Input Power (dBm) Total Output Power (dBm)
(dB) Min Max Min Max
22 –27 –5 –5 17
Table 3-4 Equipment Checklist
Hardware Comments
Laptop, or VT100, running HyperTerminal. User-provided. HyperTerminal can be found in the
Microsoft Windows Accessories menu.
RS-232 cable with DB-9F connectors wired
as shown in Figure 3-8.
Provides RS-232 link to ONS 15216 EDFA2.