ATM2 OC12/STM4 Optical Interface Specifications
M Series and T Series routers support the following ATM2 OC12/STM4 PICs with a fixed transceiver. To determine which fixed transceivers are supported, see the cables and connectors for each PIC.
- Table 1 shows the optical interface specifications for ATM2 OC12/STM4 PICs with a multimode fixed transceiver.
- Table 2 shows the optical interface specifications for ATM2 OC12/STM4 PICs with an intermediate reach (IR) fixed transceiver.
Table 1: ATM2 OC12/STM4 Multimode Optical Interface Specifications
Parameter | Multimode |
|---|---|
Optical interface | Multimode |
Transceiver type | Fixed |
Maximum distance | 546.8 yards/500 m |
Standard | Multivendor agreement |
Transmitter wavelength | 1270 through 1380 nm |
Average launch power | –20 through –14 dBm |
Receiver saturation | –14 dBm |
Receiver sensitivity | –26 dBm |
Table 2: ATM2 OC12/STM4 Intermediate Reach (IR) Optical Interface Specifications
Parameter | Intermediate Reach (IR) |
|---|---|
Optical interface | Single-mode |
Transceiver type | Fixed |
Maximum distance | 9.3 miles/15 km |
Standard | Telcordia GR-253 |
Transmitter wavelength | 1274 through 1356 nm |
Average launch power | –15 through –8 dBm |
Receiver saturation | –8 dBm |
Receiver sensitivity | –28 dBm |

