OSN3500 SSN3PSXCSA Super Dual Plane Cross Clock Boards-Optical transimission network

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System Control Board

OSN3500 SSN3PSXCSA Super Dual Plane Cross Clock Boards

The functional versions of the PSXCS(A) board are N1PSXCS, N2PSXCSA, and N3PSXCSA. the N1PSXCS and N2PSXCSA boards have been discontinued, and the N1PSXCS is not supported for use with single-slot packet data boards.

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Product Introduction

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Huawei SDH Optical Transmission Equipment OSN3500 SSN3PSXCSA Technical Characteristics Introduction

OSN3500 SSN3PSXCSA

OSN3500 SSN3PSXCSA Functions and Features

The PSXCS(A) single board supports service scheduling, clock input and output, and other functions and features.

Cross Connect Unit

The cross-connect unit functions and features of the PSXCS(A) single board are shown in Table 1.

Table 1 Functions and features of the cross-connect unit of the PSXCS(A) single board

Functions and Characteristics	Description
Basic Functions	Cross-over capability		N1PSXCS	N2PSXCSA/N3PSXCSA
	High-order crossover capacity (Gbit/s)		200	200
	Low-order crossover capacity (Gbit/s)		20	20
	Packet switching capacity (Gbit/s)		80	160
	Access capacity	TDM mode (Gbit/s)	155	155
	Access capacity	Packet mode (Gbit/s)	60	100
Service processing	Provides flexible scheduling capability for services, supports non-blocking full-cross, multicast and broadcast services. Provides communication functions 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, VC-12, VC-3 and AU-3 services. Supports VC-4-4c, VC-4-8c, VC-4-16c and VC-4-64c cascade services. Supports up to 40 linear multiplexing segment protection groups. Supports up to 12 ring multiplexing segment protection groups. The N1PSXCS supports up to 8064 SNCP protection pairs. The N2PSXCSA/N3PSXCSA supports up to 8904 SNCP protection pairs. A maximum of 592 SNCMP protection pairs are supported. Supports up to 512 SNCTP protection pairs.
Protection Mode	Supports single-board 1+1 hot backup, and the protection mode is non-restore by default.
Others	Support cross-clock board and device working temperature query and report function.

Clock Unit

The clock unit functions and features of the PSXCS(A) single board are shown in Table 2.

Table 2 Functions and Characteristics of the Clock Unit of the PSXCS(A) 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. Supports IEEE 1588v2 synchronization. N2PSXCSA and N3PSXCSA support the frequency deviation detection function.
Inputs and outputs	Via AUX single board: Supports input/output of 2 timing signals with an impedance of 75Ω at a frequency of 2MHz or 2048kbit/s, and provides the function of selecting an external timing source. Support input/output 2-way impedance of 120Ω frequency of 2MHz or 2048kbit/s timing signal, and provide the function of selecting external timing source.

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.
Supports IEEE 1588v2 synchronization.
N2PSXCSA and N3PSXCSA support the frequency deviation detection function.

Inputs and outputs

Via AUX single board:

Supports input/output of 2 timing signals with an impedance of 75Ω at a frequency of 2MHz or 2048kbit/s, and provides the function of selecting an external timing source.
Support input/output 2-way impedance of 120Ω frequency of 2MHz or 2048kbit/s timing signal, and provide the function of selecting external timing source.

OSN3500 SSN1IXCSA Single Board Indicators

The indicators on the single board panel are available:

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 Light (SYNC) - red, green, and bi-color light

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