Network Optical Specifications

3

WAVEREADY TRANSPONDER 740 LR CWDM

Parameter

Specifications

Optical Path between Transmitter and Receiver Connectors

Dispersion penalty at OC-48 (80 km)

Maximum

2 dB

Dispersion at OC-48

Minimum

1600 ps/nm

Optical return loss of cable plant, including any connectors

Minimum

24 dB

Discrete reflectance between transmitter and receiver connectors

Maximum

27 dB

Maximum link budget at OC-48,

Minimum

25.5 dB

Typical

27 dB

Transmitter

Output wavelengths

1471, 1491, 1511, 1531, 1551, 1571, 1591, and 1611 nm

Wavelength accuracy

± 6.5 nm

Mean output power

Minimum

-1 dBm

Typical

1 dBm

Maximum

4 dBm

Extinction ratio

Minimum

Receiver

Minimum

-30 dBm

Minimum

-28.5 dBm

Overload

Minimum

LOS activation threshold

Typical

-36 dBm

LOS deactivation threshold

Typical

-34 dBm

Note: All specifications are guaranteed over the life, operating temperatures, wavelengths, and input voltage range specified. This product should be deployed in accordance

with each company’s deployment directives.

1. At OC-48

2. Management communications at OC-3 require input power less than -15 dBm

Point-to-Point Single-Channel CWDM Link

Typical Link Budget

Data Rate

Minimum Rx Power

Total Power Budget

Maximum Distance

OC-48

-28.5 dBm

27.5 dB

110 km

Gigabit Ethernet

-30 dBm

29.0 dB

116 km

Note: Power budget is 25 dB, but to go from 80 to 100 km, a dispersion compensation module (DCM) is required.