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AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 Hardware Description

This document describes hardware components of the AR, including the cabinet, chassis, power supply facilities, fan modules, cards, cables, and pluggable modules for interfaces. You can find useful information about AR hardware components from this document.

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SRU200

SRU200

Card Overview

A Service and Router Unit (SRU) integrates the control and management functions and provides the control plane, management plane, and switching plane for the system.
  • Control plane: provides functions such as protocol processing, service processing, route calculation, forwarding control, service scheduling, traffic statistics collection, and system security.
  • Management plane: provides functions such as system monitoring, environment monitoring, log and alarm processing, system software loading, and system upgrade.
  • Switching plane: provides high-speed, non-blocking data channels for service switching between service modules.

Figure 7-15 shows the appearance of an SRU200 card.

Figure 7-15 SRU200 card appearance

Version Mapping

Table 7-38 lists the device models and software versions supporting the SRU200.

Table 7-38 Version mapping

Card Name

Device Model

SRU200

NOTE:

This SRU is supported in V200R005C10 and later versions.

AR2240

AR3260

Functions and Features

Table 7-39 describes the functions and features of the SRU200.

Table 7-39 Functions and features

Function and Feature

Description

Basic function

Stores system configuration data, startup files, upgrade software, and system running logs.

Voice function

Not supported

Control module

Provides the control plane and management plane to implement functions such as protocol processing, route calculation, forwarding control, system management, and system security.

Switching module

Acts as the service switching plane and provides high-speed channels for service switching functions.

Power module

Provides power for other modules of the SRU.

Clock module

Not supported

Panel

Figure 7-16 shows the indicators on the SRU200 card, and Table 7-40 describes the indicator states and meanings.

Figure 7-16 SRU200 indicators
Table 7-40 Indicator description

Number

Indicator

Color

Description

1

SYS

Green

Slow blinking: The system is running properly.

Fast blinking: The system is being powered on or restarting.

Red

Steady on: A fault that affects services has occurred and cannot be rectified automatically. The fault needs to be rectified manually.

Off

The system software is not running or is resetting.

2

ACT (active/standby status indicator)

Green

Steady on: The SRU is in active state.

Off: The SRU is in standby state.

3

Micro SD

Green

Steady on: A link has been established.

Blinking: Data is being transmitted or received.

Off: No SD card is available.

4

ACT (USB)

Red and green

Steady green: The system has been upgraded or configured using a USB flash drive.

Blinking green: The system is being upgraded or configured using a USB flash drive.

Steady red: The system fails to be upgraded or configured using a USB flash drive.

Off: No USB flash drive is connected, the USB interface has failed, or the indicator has failed.

5 and 6
GE optical interface indicators:
  • 5: LINK indicator, green
  • 6: ACT indicator, yellow

Green

LINK indicator steady on: A link has been established on the interface.

LINK indicator off: No link is established on the interface.

Yellow

ACT indicator blinking: Data is being transmitted or received on the interface.

ACT indicator off: No data is being transmitted or received on the interface.

7 and 8
GE electrical interface indicators:
  • 8: LINK indicator, green
  • 7: ACT indicator, yellow

Green

LINK indicator steady on: A link has been established on the interface.

LINK indicator off: No link is established on the interface.

Yellow

ACT indicator blinking: Data is being transmitted or received on the interface.

ACT indicator off: No data is being transmitted or received on the interface.

9

Mini USB EN

Green

Steady on: The Mini USB interface is enabled.

Off: The Mini USB interface is disabled.

10

CON/AUX EN

NOTE:
  • The CON/AUX interface and the Mini USB interface are multiplexed, and only either of them can be used at a time.
  • By default, the CON/AUX interface is effective and the EN indicator is steady green, regardless of whether a cable is connected to the interface.

Green

Steady on: The CON/AUX interface is enabled.

Off: The CON/AUX interface is disabled.

11

SYNC (clock synchronization indicator)

Green

Steady on: The system is synchronizing its clock.

Off: The system is not synchronizing its clock.

12

RST button
NOTICE:

This button is used to reset the SRU manually. Resetting the SRU will cause service interruption. Exercise caution when using this button.

13 and 14
10GE optical interface indicators:
  • 14: LINK indicator, green
  • 13: ACT indicator, yellow

Green

LINK indicator steady on: A link has been established on the interface.

LINK indicator off: No link is established on the interface.

Yellow

ACT indicator blinking: Data is being transmitted or received on the interface.

ACT indicator off: No data is being transmitted or received on the interface.

15 and 16
FE electrical interface indicators:
  • 16: LINK indicator, green
  • 15: ACT indicator, yellow

Green

LINK indicator steady on: A link has been established on the interface.

LINK indicator off: No link is established on the interface.

Yellow

ACT indicator blinking: Data is being transmitted or received on the interface.

ACT indicator off: No data is being transmitted or received on the interface.

Figure 7-17 shows the interfaces on the SRU200.

Figure 7-17 Interfaces on the SRU200

1. Two clock synchronization interfaces

NOTE:

They are reserved hardware interfaces. The router does not support clock synchronization currently.

2. CON/AUX interface

3. Mini USB interface

4. Two 10GE optical interfaces

5. USB interface

6. Micro SD interface

NOTE:

This is an extended SD card slot, where an SD card can be installed.

7. Four GE combo interfaces

8. FE electrical interface (management interface)

-

CON/AUX interface

The console interface of a router can connect to an operation terminal for onsite configuration. An AUX interface can connect to a remote management center through a modem for remote configuration. Table 7-41 lists the CON/AUX interface attributes.
Table 7-41 CON/AUX interface attributes

Attribute

Description

Connector type

RJ45

Standards compliance

RS232

Working mode

Full-duplex Universal Asynchronous Receiver/Transmitter (UART)

Data equipment type
  • Data circuit terminal equipment (DCE)
  • AUX interface: data terminal equipment (DTE)

Cable type

Console Cable

Mini USB interface

A Mini USB interface can connect to an operation terminal for onsite configuration. The Mini USB interface and console interface cannot be used at the same time. By default, the console interface works. Table 7-42 lists attributes of a Mini USB interface.
Table 7-42 Mini USB interface attributes

Attribute

Description

Connector type

Mini USB-B-angle

Standards compliance

USB2.0

Working mode

Device

10GE optical interface

The 10GE optical interfaces cannot work in GE mode and can only transmit and receive service traffic at 10 Gbit/s. Table 7-43 lists attributes of a 10GE optical interface.
Table 7-43 10GE optical interface attributes

Attribute

Description

Connector type

LC/PC

Optical interface attributes

The optical interface attributes vary depending on the optical module used. For details, see 10GE SFP+ Optical Modules.

Standards compliance

IEEE802.3ae

USB interface

A USB interface provides up to 480 Mbit/s upload and download rates. Table 7-44 lists attributes of a USB interface.
Table 7-44 USB interface attributes

Attribute

Description

Connector type

Type A

Standards compliance

USB2.0

Working mode

Host

GE combo interface

A GE combo interface consists of an optical Ethernet interface and an electrical Ethernet interface on the panel. The two interfaces have only one internal forwarding interface. The electrical and optical interfaces are multiplexed, and only either of them can work at a time. When either of the Ethernet interfaces is working, the other interface is shut down.
  • The GE electrical interface (10/100/1000 Mbit/s auto-sensing) transmits and receives services at 10 Mbit/s, 100 Mbit/s, or 1000 Mbit/s. It must be used with an Ethernet Cable.
  • The GE optical interface (100/1000 Mbit/s auto-sensing) transmits and receives services at 100 Mbit/s or 1000 Mbit/s. It must be used with an Optical Fiber, GE eSFP Optical Modules, or FE SFP/eSFP Optical Modules.
  • In V200R008C30 and earlier versions, a combo interface works as an electrical interface and uses a network cable to transmit and receive data by default.
  • In V200R008C50 and later versions, a combo interface works in auto mode and automatically works as an optical or electrical interface by default.

FE electrical interface

An FE electrical interface (10/100 Mbit/s auto-sensing) transmits and receives Ethernet services at 10 Mbit/s or 100 Mbit/s. Table 7-45 lists attributes of an FE electrical interface.
Table 7-45 FE electrical interface attributes

Attribute

Description

Connector type

RJ45

Interface attribute

MDI/MDIX

NOTE:
  • MDI stands for medium dependent interface, an Ethernet interface connection mode. Ethernet interfaces of most network adapters are MDI interfaces.
  • MDIX stands for medium dependent interface crossover, a version of MDI. MDIX interfaces are usually used on hubs or LAN switches.

Standards compliance
  • PoE-capable FE electrical interface: IEEE802.3, IEEE802.3u, IEEE802.3ab, IEEE802.3af, and IEEE802.3at
  • PoE-incapable FE electrical interface: IEEE802.3, IEEE802.3u, and IEEE802.3ab

Frame format

Ethernet_II, Ethernet_SAP, Ethernet_SNAP

Network protocol

IP

Cable type

Ethernet Cable

Technical Specifications

Table 7-46 lists the technical specifications of the SRU200.

Table 7-46 Technical specifications

Item

Specifications

Card type

EXSIC

Hot swap

Supported

Processor

32-core, 1.2 GHz

Memory

4 GB

Flash

16 MB

Micro SD card (sd1 by default)

2 GB

Hard disk

Not supported

Physical specifications
  • Dimensions (H x W x D): 40.14 mm x 402.8 mm x 270.85 mm (1.58 in. x 15.86 in. x 10.66 in.)
  • Maximum power consumption: 136 W
  • Weight: 2.3 kg (5.07 lb)

Environment parameters
  • Operating temperature: 0°C to 45°C (32°F to 113°F)
  • Operating relative humidity: 5% to 95%, noncondensing
  • Storage temperature: -40°C to +70°C (-40°F to +158°F)
  • Operating altitude: 0 m to 5000 m (0 ft. to 16404.2 ft.)

Ordering Information

To place an order, visit https://e.huawei.com/en/how-to-buy to find the local supplier or submit your inquiries online.

Table 7-47 provides the SRU200 ordering information.

Table 7-47 Ordering information

Part Number

Model

Name Label (Silkscreen)

Description

03021XAM

AR-SRU200

SRU200

Service and Router Unit 200,4 GE WAN(4GE Combo),2 10GE WAN(2 SFP+),1 USB
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Updated: 2023-08-08

Document ID: EDOC1000009848

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