General information

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The Coupling Express LR is a two-port, Ethernet-based, long-distance coupling card. The Coupling Express LR is designed to drive distances up to 10 km unrepeated and up to 100 km with a qualified dense wavelength division multiplexing (DWDM) device. Coupling Express LR supports a link data rate of 10 Gbps and 25 Gbps.

Table 1. Coupling Express LR - single mode LC jumper cable specifications
Specification Details
Type of fiber Dispersion unshifted
Operating wavelength 1270 to 1355 nm
Mode field diameter 1 8.7 to 10.0 μm
Zero dispersion wavelength 2 1310-1322 nm
Dispersion (1285-1330 nm) 2 3.5 ps/(nm-km) maximum
Cutoff wavelength 3 1260 nm maximum
Attenuation (1300 nm)4 0.5 dB/km at 1310 nm
Connector color Blue
Jacket color Yellow
Notes:
  1. Measured in accordance with EIA 455 FOTP 164, 167, or equivalent.
  2. Measured in accordance with EIA 455 FOTP 168 or equivalent.
  3. Measured in accordance with EIA 455 FOTP 80 or equivalent.
  4. Measured in accordance with EIA 455 FOTP 78 or equivalent.