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SONET/SDH OC192/STM64 Optical Interface Specifications
The following SONET/SDH OC192/STM64 standards are supported on MX Series, M120, M320, and T Series routers. To determine which transceivers and standards are supported 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..
SONET/SDH OC192/STM64 Very Short Reach (VSR)
Table 1 shows the SONET/SDH OC192/STM64 very short reach (VSR) optical interface specifications.
Table 1: SONET/SDH OC192/STM64 Very Short Reach (VSR 1) Optical Interface Specifications
Parameter | Very Short Reach (VSR) |
|---|---|
Optical interface | Multimode |
Maximum distance | MMF cable: 984.25 feet (300 m) |
Standard | OIF VSR4–1 |
Transmitter wavelength | 830 through 860 nm |
Average launch power | –10 through –3 dBm |
Receiver saturation | –3 dBm |
Receiver sensitivity | –16 dBm |
SONET/SDH OC192/STM64 Short Reach (SR-1)
Table 2 shows the SONET/SDH OC192/STM64 short reach (SR-1) optical interface specifications.
 | Note: 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. |
Table 2: SONET/SDH OC192/STM64 Short Reach (SR-1) Optical Interface Specifications
Parameter | Short Reach (SR-1) |
|---|---|
Optical interface | Single-mode |
Maximum distance | SMF cable: 6.21 miles (10 km) |
Standard | Telcordia GR-253 OC192 SR1 |
Transmitter wavelength | 1290 nm through 1330 nm |
Average launch power | –6 through –1 dBm |
Receiver saturation | –1.0 dBm |
Receiver sensitivity | –11 dBm |
SONET/SDH OC192/STM64 Short Reach (SR-2)
Table 3 shows the SONET/SDH OC192/STM64 short reach (SR-2) optical interface specifications.
| Note: 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. |
Table 3: SONET/SDH OC192/STM64 Short Reach (SR-2) Optical Interface Specifications
Parameter | Short Reach (SR-2) |
|---|---|
Optical interface | Single-mode |
Maximum distance | SMF cable: 15.5 miles (25 km) |
Standard | Telcordia GR-253 OC192 SR2 |
Transmitter wavelength | 1530 through 1565 nm |
Average launch power | –4 through 0 dBm |
Receiver saturation | –3 dBm |
Receiver sensitivity | –14 dBm |
SONET/SDH OC192/STM64 Intermediate Reach (IR-2)
Table 4 shows the SONET/SDH OC192/STM64 Intermediate reach (IR-2) optical interface specifications.
Table 4: SONET/SDH OC192/STM64 Intermediate Reach (IR-2) Optical Interface Specifications
Parameter | Intermediate Reach (IR-2) |
|---|---|
Optical interface | Single-mode |
Maximum distance | SMF cable: 24.8 miles (40 km) Note: Distances greater than 30 km are considered to be engineered links. |
Standard | Telcordia GR-253 OC192 IR2 |
Transmitter wavelength | 1530 nm through 1565 nm |
Average launch power | –1.0. through 2 dBm |
Receiver saturation | –1.0 dBm |
Receiver sensitivity | –14 dBm |
SONET/SDH OC192/STM64 Long reach (LR-1)
Table 5 shows the SONET/SDH OC192/STM64 long reach (LR-1) optical interface specifications.
Table 5: SONET/SDH OC192/STM64 Long Reach (LR-1) Optical Interface Specifications
Parameter | Long Reach (LR-1) |
|---|---|
Optical interface | Single-mode |
Maximum distance | SMF cable: 49.71 miles (80 km) |
Standard | Telcordia GR-253 OC192 LR2 |
Transmitter wavelength | 1530 nm through 1565 nm |
Average launch power | 6 through 8 dBm |
Receiver saturation | –10 dBm |
Receiver sensitivity | –22 dBm |
SONET/SDH OC192/STM64 Long reach (LR-2)
Table 6 shows the SONET/SDH OC192/STM64 long reach (LR-2) optical interface specifications.
Table 6: SONET/SDH OC192/STM64 Long Reach (LR-2) Optical Interface Specifications
Parameter | Long Reach (LR-2) |
|---|---|
Optical interface | Single-mode |
Maximum distance | SMF cable: 49.71 miles (80 km) |
Standard | Telcordia GR-253 OC192 LR2 |
Transmitter wavelength | 1530 nm through 1565 nm |
Average launch power | 0 through 4 dBm |
Receiver saturation | –7 dBm |
Receiver sensitivity | –24 dBm |
