Price of HUAWEI OSN 3500 03020NFY SSND0PSXCS11 PSXCS

OSN 3500 is a new-generation optical transmission system developed by Huawei. It adopts a unified switching architecture and can function as an MPLS/MPLS-TP-based packet device or a TDM device. When working with other devices of Huawei, OSN 3500 supports various networking modes, including the pure packet mode, hybrid networking (packet + TDM) mode, and pure TDM mode, achieving optimal processing for packet services and traditional SDH services. Thus, OSN 3500 efficiently transmits voice and data services over the same platform.

Version Description

PSXCS(A) is available in the following functional versions: N3PSXCSA, N1PSXCS and N2PSXCSA. The N1PSXCS and N2PSXCSA are discontinued.

Table 1 provides version description of PSXCS(A).

Table 1 Versions of the PSXCS(A) board

Item	Description
Functional versions	PSXCS(A) is available in the following functional versions: N1PSXCS, N2PSXCSA, and N3PSXCSA.
Differences	Basic functions: cross-connect capacity. Service processing: the number of SNCP protection groups. Others: N1PSXCS boards cannot work with single-slot packet data boards. N2PSXCSA/N3PSXCSA boards configured as N1PSXCS cannot work with single-slot packet data boards. N2PSXCSA boards configured as N2PSXCSA cannot work with two-slot packet data boards. N3PSXCSA boards configured as N3PSXCSA or N2PSXCSA cannot work with two-slot packet data boards. The N1PSXCS/N2PSXCSA supports only distributed MPLS OAM, whereas the N3PSXCSA supports distributed MPLS OAM, centralized MPLS OAM, and MPLS-TP OAM.
Substitution	N2PSXCSA can substitute for N1PSXCS and N1SXCSA. N3PSXCSA can substitute for N2PSXCSA, N1PSXCS, and N1SXCSA.

Version Mapping

Board	Start Versiona
N1PSXCS	V100R009C03
N2PSXCSA	V200R011C00
N3PSXCSA	V200R011C02
a: If there is replacement relationship between boards, the start version of the replaced board prevails. For example, if an N2PSXCSA board can replace an N1PSXCS board, the N2PSXCSA board can be used in V100R009C03.

Board Updates

This section describes the hardware updates in V200R013C30 and later versions as well as the reasons for the updates. Any product versions that are not listed in the document means that they have no hardware updates.

Hardware Updates in V200R015C20

Update Type	Description
New	PSCXS(A) boards can process services from smart line boards.

Application

The PSXCS(A) is a super cross-connect and synchronous timing board. The PSXCS(A) provides service grooming and clock input/output functions in the OptiX OSN system.

The board provides the other boards in the system with the timing information, converges and grooms services, communicates with the other boards in the system, and performs the configuration and management functions for the other boards in the system.

Figure 1 shows the position of the board in the OptiX OSN system.

Figure 1 Position of the board in the OptiX OSN system

 NOTE:

PCM boards are available only in V200R013C00 or later.

Smart line boards are available only in V200R015C20 and later.

Functions and Features

The PSXCS(A) board grooms services and inputs/outputs clock signals.

Cross-Connect Unit

Table 1 provides the functions and features supported by the cross-connect unit of the PSXCS(A) board.

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

Function and Feature	Description
Basic functions	Cross-connect capacity		N1PSXCS	N2PSXCSA/N3PSXCSA
	Higher order cross-connect capacity (Gbit/s)		200	200
	Lower order cross-connect capacity (Gbit/s)		20	20
	Packet switching capacity (Gbit/s)		80	160
	Service access capacity	TDM mode (Gbit/s)	155	155
		Packet mode (Gbit/s)	60	100
Service processing	Provides the flexible service grooming capability, supports non-blocking full cross-connection, and provides multicast and broadcast services. Communicates with other boards. Supports the tact switch and performs the protection switching without interrupting services. Supports SNCP at the 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 concatenation services. Supports a maximum of 40 linear MSP groups. Supports a maximum of 12 ring MSP groups. An N1PSXCS board supports a maximum of 8064 SNCP groups. An N2PSXCSA/N3PSXCSA board supports a maximum of 8904 SNCP groups. Supports a maximum of 592 SNCMP groups. Supports a maximum of 512 SNCTP groups.
Protection scheme	Supports 1+1 hot standby. The default reversion mode is the non-revertive switching mode.
Others	Queries and reports the working temperature of the cross-connect and timing board and the entire equipment.
Maintenance feature	Hot board swapping.

Clock Unit

Table 2 provides the functions and features supported by the clock unit of the PSXCS(A) board.

Table 2 Functions and features supported by the clock unit of the PSXCS(A) board

Function and Feature	Description
Basic functions	Provides the standard clock for system synchronization.
Other functions	Supports the processing of the S1 byte to implement the clock protection switching. Supports the extraction, insertion, and processing of the SSM information and clock ID. Supports IEEE 1588v2 synchronization. Supports frequency deviation detection by the N2PSXCSA and N3PSXCSA boards.
Input and output	Working with the AUX board: Inputs/Outputs two-channel 2 MHz or 2048 kbit/s timing signals (75-ohm) and allows selection of external timing sources. Inputs/Outputs two-channel 2 MHz or 2048 kbit/s timing signals (120-ohm) and allows selection of external timing sources.

Working Principle and Signal Flow

The PSXCS(A) consists of the higher order cross-connect matrix, lower order cross-connect matrix, packet cross-connect matrix, communication and control module, clock module, and power module.

Figure 1 shows the functional block diagram of the PSXCS(A).

Figure 1 Functional block diagram of the PSXCS(A)

Higher Order Cross-Connect Matrix

Realizes higher order cross-connection at the VC-4 level.

Lower Order Cross-Connect Matrix

Realizes lower order cross-connection at the VC-3 or VC-12 level.

Packet Cross-Connect Matrix

Cross-connects the packet data.

Communication and Control Module

Communicates with the SCC unit and other boards, ensures communication with the other boards when the GSCC cannot be detected, and generates the other control signals for the PSXCS and system.

Clock Module

The clock module performs the following functions:

• Traces external clock sources, line clock sources, or tributary clock sources, and provides the PSXCS and the system with a synchronization clock source.
• Through system timing, provides the nodes in the data stream of the system with the clock signals that have proper frequency and phase. In this way, the components at each node can meet the requirements regarding data setup and data holding during data receiving.
• Provides the system with the frame indication signal that is used to indicate the position of the frame header in the data.
• Supports the IEEE 1588v2 clock.

Power Module

The power module converts the accessed DC voltage into the DC voltages that the modules of the PSXCS require.

Front Panel

The front panel of the PSXCS(A) has indicators and a bar code.

Diagram of the Front Panel

Figure 1 shows the appearance of the front panel of the PSXCS(A).

Figure 1 Front panel of the PSXCS(A)

Indicators

The front panel of the board has the following indicators:

• Board hardware status indicator (STAT) - three colors (red, green, and yellow)
• Service activation status indicator (ACT) - one color (green)
• Board software status indicator (PROG) - two colors (red and green)
• Service alarm indicator (SRV) - three colors (red, green, and yellow)
• Synchronization clock status indicator (SYNC) - two colors (red and green)

For the meanings of the status of the indicators, see Alarm Indicators on the Boards.

Interfaces

The front panel of the PSXCS(A) has no interface. The AUX provides the PSXCS(A) with the external clock interface that can be set in 2048 kHz mode or 2048 kbit/s mode. The AUX provides two BITS clock interfaces with 120-ohm or 75-ohm impedance. For details, see the topic that describes the interfaces of the AUX.

Jumpers and DIP Switches

The PSXCS(A) does not have any jumpers or DIP switches that are used for board settings.

Valid Slots

The PSXCS(A) can be installed in slots 9 and 10 in the subrack.

By default, slot 9 is the slot for the working board, and slot 10 is the slot for the protection board.

Feature Code

The PSXCS(A) does not have the feature code.

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