Specifications

CHAPTER

2-1

Cisco ONS 15216 EDFA2/EDFA2-A Operations Guide, R2.4

July 2004

Technical Specifications

This chapter discusses the technical specifications for the Cisco ONS 15216 EDFA2.

2.1 Optical Specifications

ONS 15216 EDFA2 optical specifications are listed and described in Table 2-1.

Table 2-1 ONS 15216 EDFA2 Optical Specifications

Requirement Specification

Input signal wavelength 1530 nm to 1563 nm

Input power (channel total)

–27 dBm to 4 dBm (total all channels)

See the “2.1.1 Maximum Input Power” section on page 2-2 and

the “2.1.2 Channel Loading” section on page 2-2 for more

information.

Note In the event of a fiber cut or loss of connection, and

there is no input power, the ONS 15216 EDFA2 has –3.5

dBm of output power. For additional safety information,

see the “3.3.1 Safety Requirements” section on

page 3-3.

Mode of operation Unidirectional (two common fibers: one transmit, one receive)

Maximum output power 17 ± 0.6 dBm

Signal gain per channel 13 dB to 22 dB

Channel gain deviation from setpoint ± 1.25 dB

Gain flattened ONS 15216 EDFA2-A: < 1.5 dB (peak to valley)

ONS 15216 EDFA2: < 2 dB (peak to valley)

Maximum noise figure ONS 15216 EDFA2-A: < 6 dB at 22 dB gain. See Table 2-2.

ONS 15216 EDFA2: < 7 dB at 22 dB gain

Polarization mode dispersion (PMD) < 0.6 ps

Input/output optical return loss > 27 dB

Backward ASE power –30 dBm maximum