OSN3500 SSN1IDQ1 Enhanced 4*155M IMA/ATM Processing Boards-Optical transimission network

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ATM_RPR Service Processing Board

OSN3500 SSN1IDQ1 Enhanced 4*155M IMA/ATM Processing Boards

OSN3500 IDQ1 single board supports ATM switching, IMA, ATM protection and other functions and features. It accesses and processes 4-channel STM-1 ATM services and supports standard optical interfaces of Ie-1, S-1.1, L-1.1, L-1.2 and Ve-1.2. S-1.1, L-1.1, L-1.2 and Ve-1.2.

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Huawei SDH Equipment OSN3500 SSN1IDQ1 Technical Parameters Description

OSN3500 SSN1IDQ1 ATM/OMA single board appearance

OSN3500 SSN1IDQ1 functions and features
Table 1 Functions and features of the IDQ1 single board

The SSN1IDQ1 single board supports ATM switching, IMA, ATM protection, and other functions and features.

The specific functions and features of the SSN1IDQ1 single board are shown in Table 1.

Functions and Features	Description
Basic Functions	Access and process 4-channel STM-1 ATM services
Optical interface type	Supports Ie-1, S-1.1, L-1.1, L-1.2 and Ve-1.2 standard optical interfaces. The characteristics of the S-1.1, L-1.1, and L-1.2 optical interfaces comply with ITU-T G.957 recommendations, and the Ie-1 and Ve-1.2 optical interfaces are Huawei customized standards.
Connector Type	LC
Optical Module Type	SFP
E3 ATM Interface	Not supported
IMA function (ATM Forum IMA 1.1 standard)	IMA services can be accessed and processed when combined with the E1 service processing board N1PQ1/N1PQM. Supports up to 63 E1 IMA services. Supports mapping of up to 16 IMA groups to ATM ports, with each group supporting 1 to 32 E1s. Supports mapping of up to 16 non-IMA group E1 links to ATM ports. Supports IMA multipath delay up to 226ms.
Maximum uplink bandwidth	8xVC-4 or 63xVC-12+7xVC-4, supports slot bandwidth adaption. Description: Only the first VC-4 can be bound to a VC-12 level virtual cascade.
ATM switching capacity	1.2 Gbit/s in one direction, 600 Mbit/s in both directions.
Mapping method	VC-12, VC-4 or VC-4-Xc (X=1 to 4) VC-12-Xv (X=1 to 32)
IMA Characteristics	IMA services can be accessed and processed when cooperating with the E1 service processing board. Supports IMA service processing capability for up to 63 E1s. Supports up to 16 IMA groups, each supporting 1 to 32 E1s. Maximum multipath delay is 226ms.
Service Type	CBR, rt-VBR, nrt-VBR and UBR
ATM Connections	2048 entries
Statistical multiplexing	Support
Traffic type and QoS	IETF RFC2514, ATM forum TM4.0
ATM multicast connections	Spatial multicast, logical multicast
ATM protection (ITU-T I.630)	Unidirectional/bidirectional 1+1 and 1:1, VP-Ring, VC-Ring
Single board level 1+1 protection	Supports
OAM function (ITU-T I.610)	AIS, RDI, LB, CC
Maintenance Features	Supports inner loopback at optical port level and ATM level, and outer loopback at ATM level for maintenance and fault location.
Alarm and Performance	Provides rich alarms and performance events for maintenance and fault location.
Description: IMA function, i.e. ATM reverse multiplexing, can encapsulate ATM signaling elements for E1.IMA and individual E1 can exist simultaneously.IMA groups can dynamically increase and decrease bandwidth to improve network bandwidth utilization.It can be used to aggregate 2M services and also used for interfacing with other IMA devices.

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OSN3500 SSN1ADQ1 4-way 155M ATM Processing Board

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