SONET/SDH OC3/STM1 Optical Interface Specifications

The following SONET/SDH OC3/STM1 standards are supported on M Series, MX Series, and T Series routers. To determine which standards are supported for a transceiver on a particular device and router, see the “Cables and connectors” section for each device in the PIC guide for your router or the MX Series 3D Universal Edge Routers Line Card Guide..

Table 26: SONET/SDH OC3/STM1 Multimode Optical Interface Specifications

Parameter

Multimode

Optical interface

Multimode

Maximum distance

MMF cable: 1.2 miles/2 km

Standard

Multivendor agreement

Transmitter wavelength

1270 through 1380 nm

Average launch power

–20 through –14 dBm

Receiver saturation

–14 dBm

Receiver sensitivity

–30 dBm

Table 27: SONET/SDH OC3/STM1 Intermediate Reach Optical Interface Specifications

Parameter

Intermediate Reach (IR-1)

Optical interface

Single-mode

Maximum distance

SMF cable: 9.3 miles/15 km

Standard

Telcordia GR-253

Transmitter wavelength

1261 through 1360 nm

Average launch power

–15 through –8 dBm

Receiver saturation

–8 dBm

Receiver sensitivity

–28 dBm

Table 28: SONET/SDH OC3/STM1 Long Reach Optical Interface Specifications

Parameter

Long Reach (LR-1)

Optical interface

Single-mode

Maximum distance

SMF cable: 24.85 miles/40 km

Standard

Telcordia GR-253

Transmitter wavelength

1263 through 1360 nm

Average launch power

–5 through 0 dBm

Receiver saturation

–10 dBm

Receiver sensitivity

–34 dBm

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