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Huawei SDH Transmission Equipment OSN3500 SXCSA Technical Parameters Introduction
OSN3500 SSN1SXCSA Functions and Features
The SXCSA single board supports service scheduling, clock input and output, and other functions and features.
OSN3500 SSN1SXCSA Cross Connection Unit
The cross-connect unit functions and features of the SXCSA single board are shown in Table 1.
Table 1 Functions and Characteristics of the Cross-Connect Unit for SXCSA Single Boards
| Functions and Characteristics |
Description |
| Basic Functions |
Completion of 200 Gbit/s VC-4 high-order crossover, 20 Gbit/s VC-3/VC-12 low-order crossover, and 155 Gbit/s access capability.
|
| Service Processing |
- Provide flexible scheduling capability of services, 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.
- Up to 2016 SNCP protection pairs are supported.
- Up to 592 SNCMP protection pairs are supported.
- 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 SSN1SXCSA Clock Unit
The clock unit functions and features of the SXCSA single board are shown in Table 2.
Table 2 Functions and Characteristics of the Clock Unit of the SXCSA 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.
|
| Inputs and outputs |
Through AUX single board:
- Supports input/output of 2 timing signals with impedance of 75Ω and frequency of 2MHz or 2048kbit/s, and provides the function of selecting external timing source.
- Supports input/output of 2 timing signals with impedance of 120Ω at a frequency of 2MHz or 2048kbit/s, and provides the function of selecting external timing sources.
|
OSN3500 SSN1IXCSA 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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