4×STM-1 Fiberhome Fonsweaver 780B O2500-4 2.5 Gbit/S Optical Interface Card

Place of Origin:	China
Brand Name:	Fiberhome
Certification:	ISO9001
Model Number:	Fiberhome FonsWeaver 780B O2500-4 Card

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Detailed Product Description

4×STM-1 Fiberhome Fonsweaver 780B O2500-4 2.5 Gbit/S Optical Interface Card

Overview

The O2500-4 card is used as a line card in the system to implement the access and processing of four STM-16 optical interface services.

Provides four STM-16 optical interfaces.
Supports transparent transmission of overheads.
Supports the test on performance such as optical power, laser bias current and bit error.
Implements the multiplexing and demultiplexing of the signal.
Supports the SOH processing and supports all the defined SOH bytes (such as A1, A2, J0, B1, B2, S1, M1, H1, H2, H3, E1, E2, F1, D1 to D12, K1 and K2).
Supports monitoring of the higher order path overheads (such as J1, B3, C2 and G1).
Supports the equipment loopback and line loopback tests.
Supports the seamless switch between the active and standby clock and crossconnect cards.
Supports hot insertion at the optical interface.
Supports the automatic shutdown of the laser.
Supports the remote software upgrade.

Working Principle

The working principle of the O2500-4 card is shown as below.
4×STM-1 Fiberhome Fonsweaver 780B O2500-4 2.5 Gbit/S Optical Interface Card

Interface Specifications

The Optical Interface Specifications of the O2500-4 Card,

Item	Specification
Optical Interface Type	S-16.1	L-16.1	L-16.2
Target distance (km)	0 to 25	26 to 50	51 to 80
Source type	SLM	SLM	SLM
Mean launched optical power (dBm)	-5 to 0	-1 to 3	-1 to 3
Central wavelength (nm)	1260 to 1360	1530 to 1565	1530 to 1565
Minimum extinction ratio (dB)	8.2	8.2	8.2
Receiving sensitivity (dBm)	-20	-28	-28
Overload point (dBm)	0	-9	-9

Item	Specification
Optical interface type¹	V-16.2	V-16.2+BA	U₂-16.2+BPA2
Target distance (km)	81 to 110	111 to 160	161 to 180
Source type	SLM	SLM	SLM
Mean launched optical power (dBm)	0 to 5	12 to 18	12 to 18
Central wavelength (nm)	1530 to 1565	1530 to 1565	1530 to 1565
Minimum extinction ratio (dB)	8.2	8.2	8.2
Receiving sensitivity (dBm)	-29	-29	-29
Overload point (dBm)	-9	-9	-9
Note 1: This configurtaion is applicable to G.655 fiber. For the G.652 fiber, a dispersion compensation unit should be configured (replacing BPA2 with BPD2).