Optical interface

Single-mode; compatible with 1550-nm single-mode SR 2

Single-mode; compatible with 1550-nm single-mode LR

Transceiver type

Fixed

Fixed

Standard

Telcordia GR-253

Telcordia GR-1377

Maximum distance

SMF cable:
15.5 miles/25 km

SMF cable:
49.71 miles/80 km

Transmitter wavelength

1530 through 1565 nm*

1530 through 1565 nm

Average launch power

–4 through 0 dBm

+6 through +8 dBm

Receiver saturation

–3 dBm

–10 dBm

Receiver sensitivity

–14 dBm

–22 dBm

* The SR-2 interface is optically compatible with SR-1 (1310 nm) inputs. Optical characteristics and transmission distance are limited to worst-case specifications for SR-1.