D   Optical Characteristics

This appendix lists the optical characteristics of supported Avici router modules.

SONET / SDH Modules

OC-3c / STM-1 Router Modules

Table D-1. 16-Port OC-3c / STM-1 Optical Interface Parameters

Requirement	SMIR (single mode. IR)	MM (multi mode, IR), 62.5/125
Wavelenght Range	1261-1360 nm	1270-1380 nm
Telecordia Standard	SR-1	SR-1
Distance	15 km	2 km
Receiver Sensitivity	-31.5 dBm	-31 dBm
Transmit Power	-15 dbm to -8 dBm	-19 dBm to -14 dBm
Extinction ratio (min)	8.2 dBm	0.2 dBm

OC-12c / STM-4 Router Modules

Table D-2. 4-Port OC-12c / STM-4 Optical Interface Parameters 

Requirement	SMIR (single mode, IR)	MM (multi mode), 62.5micron
Wavelenght Range	1290-1330 nm	1261-1360 nm
Telecordia Standard	SR-1	SR-1
Distance	15 km	500 m
Receiver Sensitivity	-35 dBm	-26 dBm
Transmit Power	-15 dBm to -8 dBm	-20 dBm to -14 dBm
Extinction ratio (min)	8.2 dB	8.2 dB

OC-48c / STM-16 Router Modules

Table D-3. 4-Port OC-48c / STM-16 Optical Interface Parameters

Requirement	C-SMF, Serial Optics
Wavelength range	1266-1360 nm	1430-1580 nm
Telcordia standard	SR-1	IR-2
Distance	2 km	40 km
Receiver power	-18 dBm to -3 dBm	-18 dBm to 0 dBm
Transmit power	-10 dBm to -3 dBm	-5 dBm to 0 dBm
Attenuation range	0 to 7 dB	0 to 12 dB
Extinction ratio (min)	8.2 dBm	8.2 dB

OC-192c / STM-64 Router Modules

Table D-4. 1-Port (Single Slot) OC-192c / STM-64 Optical Interface Parameters

Requirement	Short Reach	Intermediate Reach	Long Reach
Wavelength range	1290-1330 nm	1530 - 1565 nm	1530 - 1565 nm
Telcordia standard	SR-1	IR-2	LR-2
Distance	0 to 12 km	40 km	80 km
Receiver sensitivity	-12 dBm	-14 dBm	-24 dBm
Receiver overload	0 dBm	-1 dBm	-9 dBm
Transmit power	-4 to 0 dBm	-1 to +2 dBm	+2 to +6 dBm
Attenuation range	0 to 4 dB	3 to 11 dB	15 to 26 dB
Extinction ratio (min)	6 dB	8.2 dB	9.5 dB

Gigabit Ethernet Modules

Table D-5. 8-Port Gigabit Ethernet Optical Interface Parameters

Requirement	SX Transceiver Requirements
Center Wavelength	830-860 nm
Launch Power	-9.5 to -0 dBm
Rx Sensitivity	0 to -17 dBm
Distance:    62.5/125µm       50/125µm   10/125µm	275 m 550 m      --------
Requirement	LX Transceiver Requirements
Center Wavelength	1290-1355 nm
Launch Power	-3 to -11dBm SMF, -11.5 dBm MMF
Rx Sensitivity	-3 to 19 dBm
Distance:    62.5/125µm       50/125µm   10/125µm	550 m 550 m 10k m
Requirement	LH Transceiver Requirements
Center Wavelength	1290-1355 NM
Launch Power	-3 dBm to -11dBm SMF, -11.5 dBm MMF
Rx Sensitivity	-3 to 19 dBm
Distance:    62.5/125µm       50/125µm   10/125µm	550 m 550 m 10 km

Multi-Service Modules

Table D-6. 8-Port OC-48c / STM-4 and 16-Port OC-3c / STM-1 Optical Interface Parameters

Requirement C-SMF, Serial Optics	OC-12/STM4	OC-3/STM1
Wavelength range	1293-1334 nm	1261-1360 nm
Standard	IR-1	IR-1
Distance	15 km	15 km
Receiver sensitivity	-28 dBm	-28 dBm
Transmit power	-15 to -8 dBm	-15 dBm to -8 dBm
Attenuation range	0 to 12 dB	0 to 12 dB
Extinction ratio (min)	8.2 dB	8.2 dB

Copyright © 2005 Avici Systems Inc.
Avici® and TSR® is a registered trademark of Avici Systems Inc.
IPriori™, Composite Links™, SSR™, QSR, and NSR® are trademarks of Avici Systems Inc.

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