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Juniper Networks M20 User Manual

Page 33

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Table 6: Optical Interface Support for SONET/SDH OC48c/STM16 PICs

Single-mode Long Reach (LR)

Single-mode Intermediate Reach
(IR)

Single-mode Short Reach (SR)

PIC Type

Single-mode long reach (Telcordia
GR-253 compliant) optical interface
(maximum distance 49.71
miles/80 km); compatible with
1550 nm single-mode LR

Single-mode intermediate reach
(Telcordia GR-253 compliant)
optical interface (maximum
distance 9.3 miles/15 km)

Single-mode short reach (Telcordia
GR-253 compliant) optical
interface (maximum distance 1.24
miles/2 km)

Optical interface

1500 through 1580 nm

1260 through 1360 nm

1266 through 1360 nm

Wavelength

–2 through +3 dBm

–5 through 0 dBm

–11 through –3 dBm

Average launch power

–9 dBm

0 dBm

0 dBm

Receiver saturation

–28 dBm

–18 dBm

–18 dBm

Receiver sensitivity

SONET/SDH OC48c/STM16 PIC (Quad-Wide)

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SONET/SDH OC48c/STM16 PIC (Quad-Wide)