OSN3500 SSN1IXCSA Infinite Cross Clock Boards-Optical transimission network

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System Control Board

OSN3500 SSN1IXCSA Infinite Cross Clock Boards

IXCSA is an infinite-crossover clock board, which provides service scheduling, clock input/output, and other functions in OptiX OSN 3500 system, provides flexible scheduling capability of services, supports non-blocking full-crossover, supports multicast and broadcast services, and provides communication functions with other single boards.

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Huawei SDH Transmission Equipment OSN3500 SSN1IXCSA Technical Parameters Introduction

OSN3500 SSIXCSA外观

OSN3500 SSN1IXCSA Functions and Features

The IXCSA single board supports service scheduling, clock input and output, and other functions and features.

Cross-connection unit

The cross-connect unit functions and features of the IXCSA single board are shown in Table 1.

Table 1 Functions and features of the cross-connect unit of IXCSA single boards

Functions and Characteristics	Description
Basic Functions	High-order crossover capability: 200 Gbit/s Low-order crossover capacity: 40 Gbit/s Access capacity: 155Gbit/s
Service Processing	Provide flexible service scheduling capability, support non-blocking full cross, support multicast and broadcast services. Provide communication function with other single boards. Supports microswitch to realize smooth protection inversion of cross boards. Supports SNCP protection at VC-4-4c, VC-4-8c, VC-4-16c, VC-4-64c, VC-4, VC-12, VC-3 and AU-3 levels. Supports VC-4-4c, VC-4-8c, VC-4-16c and VC-4-64c cascading services. Supports up to 40 linear multiplexing segment protection groups. Supports up to 12 ring multiplexing segment protection groups. Supports up to 8064 SNCP protection pairs. Supports up to 592 SNCMP protection pairs. Supports up to 512 SNCTP protection pairs.
Protection Mode	Supports 1+1 hot backup of single-board cross and clock units, and the protection mode is non-recovery by default.

OSN3500 SSN1IXCSA Clock Unit

The clock unit functions and features of the IXCSA single board are shown in Table 2.

Table 2 Functions and Characteristics of the Clock Unit of the IXCSA Single Board

Functions and Characteristics	Description
Basic Functions	Provides a standard system synchronization clock.
Other Functions	Supports processing of S1 byte for clock protection inversion. Supports the extraction, insertion and processing functions of SSM information and clock ID. Provides real clock RTC. Supports IEEE 1588v2 clock function.
Input/Output	Via AUX single board: Supports the input of two 2048kHz or 2048kbit/s timing signals, and provides the function of selecting external timing sources. Supports outputting 2-channel 2048kHz or 2048kbit/s timing signals.

OSN3500 SSN1IXCSA Indicators

The indicators on the single board panel are:

Single-board hardware status light (STAT)-red and green indicator lights
Single-board primary and backup status lights (ACT)-green light
Single-board software status light (PROG) - red and green dual-color light
Service warning lamp (SRV) - red, green and yellow indicators
Synchronized Clock Status Lamp (SYNC)-red, green, and dual-color indicator lamps

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