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Fiber Optic Fiberhome IBAS 180 O622 STM-4 4 Modes Back - Pressure Flow Control

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Guangdong Global Telecommunication Technology Co., Ltd.

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Name: Fiber Optic Fiberhome IBAS 180 O622 STM4 4 Modes Back Pressure Flow Control
Brand: Fiberhome
Price: 1 USD

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Fiber Optic Fiberhome IBAS 180 O622 STM-4 4 Modes Back - Pressure Flow Control

Overview

The card can provide one or two STM-4 optical interfaces.

The main functions of this card are as follows:

Achieve E/O conversion of two STM-4 optical interfaces. In receiving direction, it switches received optical signal to 622Mbit/s electrical signal and in transmitting direction, it switches received 622Mbit/s electrical signal to optical signal and transmits them;
Accomplish the function of clock recovery, overhead processing and clock synthesis;
Accomplish the function of SOH overhead processing, SOH overhead access, bi-directional pointer processing and bus conversion;
Transmit ECC in point-to-point mode and can select ECCR or ECCM to transmit;
Support remote download function of FPGA and BCT program.

Card Configuration of IBAS 180 (GF2488-01D) Subrack

Abbreviation of Card Name	Slot	Quantity	Remarks
EMU/EOW	01	1	Compulsory
XCU	08, 09	1 to 2	At least one
O2500	06, 07	1 to 2	Optional
O622	05, 06, 07, 0A	1 to 4	O622 card can provide one or two channels of optical interfaces and O622 card with double-optical interface can only be inserted in slots 06 and 07.
O155	05, 06, 07, 0A	1 to 4	Optional. O155 card with 16 E1 (card number: 2.170.645) can only be inserted slots 05 and 0A.
E155	05, 06, 07, 0A	1 to 4	Optional
E4	05, 06, 07, 0A	1to 4	Optional
E3	04, 05, 0A	1 to 3	Optional
E1	02, 03, 04, 05, 0A	1 to 5	Optional
ETH_4	02, 03, 04, 05, 0A	1 to 5	Optional
ESW_4	02, 03, 04, 05, 0A	1 to 5	Optional
ESD1	02, 03, 04, 05, 0A	1 to 5	Optional
O8	04, 05, 0A	1 to 3	Optional
O8E	04, 05, 0A	1 to 3	Optional
O8V	04, 05, 0A	1 to 3	Optional
D8E	04, 05, 0A	1 to 3	Optional
D8V	04, 05, 0A	1 to 3	Optional

Front panel of IBAS 180 (GF2488-01D)

Front panel of IBAS 180 (GF2488-01D)

Specifications of STM-4 Optical Interface

Item		Unit		Values
Nominal bit rate		kbit/s		STM-4 622 080
Application code			S-4.1	L-4.1	L-4.2	L-4.3
Operating wavelength range		nm	1274-1356	1296-1330	1480- 1580	1480- 1580
Transmitter at reference point S	Source type		MLM	MLM	SLM	SLM
	Maximum RMS width ()	nm	2.5	1.7	-	-
	Maximum -20 dB width	nm	-	-	1	1
	Minimum side mode suppression ratio	dB	-	-	30	30
	Maximum mean launched power	dBm	-8	2	2	2
	Minimum mean launched power	dBm	-15	-3	-3	-3
	Minimum extinction ratio	dB	8.2	10	10	10
Optical path between R and S	Attenuation range	dB	0-12	10-24	10-24	10-24
	Maximum dispersion	ps/nm	74	109	*	NA
	Minimum optical return loss of cable plant at S (including any connectors)	dB	NA	20	24	20
	Maximum discrete reflectance between S and R	dB	NA	-25	-27	-25
Receiver at reference point R	Minimum sensitivity (BER10^-12)	dBm	-28	-28	-28	-28
	Minimum overload (BER10^-12)	dBm	-8	-8	-8	-8
	Maximum optical path penalty	dB	1	1	1	1
	Maximum reflectance of receiver, measured at R	dB	-27	-14	-27	-14

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