AR1220E

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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AR1220E

Version Mapping

Table 4-518 lists the mapping between the AR1220E router and software versions.

Table 4-518 Mapping between the AR1220E router and software versions

Router Model	Software Version
AR1220E	V200R006C10 and later versions

Appearance and Structure

Figure 4-153 shows the appearance of the AR1220E router.

Figure 4-153 AR1220E appearance
Click to enlarge

1	Two USB interfaces (host)	2	RST button NOTE: This button is used to reset the router. Resetting the router will interrupt services. Exercise caution when deciding to press this button.
3	Two SIC slots	4	Product model silkscreen
5	Ground point NOTE: Reliably ground the router by connecting a ground cable to the ground point to protect the router against lightning and interference.	6	Console interface
7	Mini USB interface NOTE: The Mini USB interface and console interface cannot be used at the same time.	8	WAN interface: GE combo interface
9	LAN interfaces: eight GE electrical interfaces NOTE: V200R007C00 and later versions: all GE LAN interfaces can be configured as WAN interfaces.	10	AC power jack NOTE: Use an AC power cable to connect the router to an external power source.
11	Jack for power cable locking strap NOTE: Insert a power cable locking strap in this jack to secure the power cable.	-	-

Slot Distribution

Two SIC slots can be combined into one WSIC slot by removing the guide rail between them.
After two slots are combined into one, the new slot ID is the larger one between the two original slot IDs.

Figure 4-154 shows the slot distribution of the AR1220E.

Figure 4-154 Slot distribution of the AR1220E router
Click to enlarge

Slot 1 and slot 2 are combined into new slot 2.

Indicator Description

Figure 4-155 shows the indicators on the AR1220E router.

Figure 4-155 Indicators on the AR1220E
Click to enlarge

Number	Indicator	Color	Description
1	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.
2	SYS	Red and green	Slow blinking: The system is running properly. Fast blinking: The system is being powered on or restarting.
			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.
3	WAN	Green	Steady on: At least one GE interface is connected and active.
3	WAN	Green	Off: The two GE interfaces are both disconnected or inactive.
4	EN (console interface) NOTE: The console interface and Mini USB interface are multiplexed, and only one of them can be used at a time. By default, the console interface is effective and the EN indicator is steady green, regardless of whether a cable is connected to the interface.	Green	Steady on: The console interface is enabled.
4		Green	Off: The console interface is disabled.
5	EN (Mini USB interface)	Green	Steady on: The Mini USB interface is enabled.
5	EN (Mini USB interface)	Green	Off: The Mini USB interface is disabled.
6	GE electrical interface indicators (WAN)	Green	Steady on: A link has been established.
		Green	Off: No link is established.
		Yellow	Blinking: Data is being transmitted or received.
		Yellow	Off: No data is being transmitted or received.
7	GE electrical interface indicators (LAN)	Green	Steady on: A link has been established.
		Green	Off: No link is established.
		Yellow	Blinking: Data is being transmitted or received.
		Yellow	Off: No data is being transmitted or received.
8	GE optical interface indicators	Green	Steady on: A link has been established.
			Blinking: Data is being transmitted or received.
			Off: No link is established.

Interface Description

Console Interface

A console interface can connect to an operation terminal for onsite configuration. Table 4-519 lists attributes of a console interface.

Table 4-519 Console interface attributes

Attribute	Description
Connector type	RJ45
Standards compliance	RS232
Working mode	Full-duplex Universal Asynchronous Receiver/Transmitter (UART)
Data equipment type	Data Circuit-terminating Equipment (DCE)
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 4-520 lists attributes of a Mini USB interface.

Table 4-520 Mini USB interface attributes

Attribute	Description
Connector type	Mini USB-B-angle
Standards compliance	USB2.0
Working mode	Device

GE Electrical Interface

A GE electrical interface (10/100/1000 Mbit/s auto-sensing) transmits and receives Ethernet services at 10 Mbit/s, 100 Mbit/s, or 1000 Mbit/s. Table 4-521 lists attributes of a GE electrical interface.

Table 4-521 GE 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	IEEE802.3, IEEE802.3u, IEEE802.3ab
Frame format	Ethernet_II, Ethernet_SAP, Ethernet_SNAP
Network protocol	IP
Cable type	Ethernet Cable

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.

USB Interface (Host)

A USB interface provides up to 480 Mbit/s upload and download rates. Table 4-522 lists attributes of a USB interface.

Table 4-522 USB interface attributes

Attribute	Description
Connector type	Type A
Standards compliance	USB2.0
Working mode	Host

Heat Dissipation

The AR1220E router has built-in fans to cool the system. The fans are not pluggable.

Seen from the front panel, the airflow is left to right, as shown in Figure 4-156. Cold air flows into the router from the left side and is exhausted from the right side, taking away heat generated by the router.

Figure 4-156 Airflow
Click to enlarge

Technical Specifications

Table 4-523 lists the technical specifications of the AR1220E router.

Table 4-523 AR1220E technical specifications

Item	Specification
System parameters
Processor	Dual-core, 1 GHz
Memory	1 GB
Flash	512 MB
Micro SD card (default: sd1)	None
Hard disk	Not supported
Dimensions and weight
Dimensions (H x W x D)	With no mounting bracket installed: 44.5 mm x 390.0 mm x 232.5 mm (1.75 in. x 15.35 in. x 9.15 in.) With mounting brackets installed: 44.5 mm x 482.6 mm x 232.5 mm (1.75 in. x 19.00 in. x 9.15 in.)
Weight	2.9 kg (6.39 lb)
Power specifications
Rated input voltage range (AC)	100 V to 240 V, 50 Hz/60 Hz
Maximum input voltage range (AC)	90 V to 264 V, 47 Hz to 63 Hz
Maximum input current	2 A
Maximum output power	60 W
RPS power supply	Not supported
PoE power supply	Not supported
Power consumption (empty chassis)
Typical power consumption	18 W
Maximum power consumption	20 W
Heat dissipation
Fans	Built-in fans, not pluggable
Airflow (facing the front panel)	Left to right
Interface density
Management interfaces	1 (RJ45)
CON/AUX interfaces	1 (RJ45)
USB 2.0 interfaces	2
Service interfaces (standard configuration)	WAN interfaces: two GE combo interfaces LAN interfaces: eight GE electrical interfaces
Extended slots	2xSIC
Environment parameters
Operating temperature	0°C to 45°C (32°F to 113°F) NOTE: When the altitude is between 1800 m and 5000 m, the highest operating temperature reduces by 1°C every time the altitude increases by 220 m.
Storage temperature	-40°C to +70°C (-40°F to +158°F)
Operating relative humidity	5% to 95%, noncondensing
Operating altitude	< 5000 m (16404.2 ft.)
Part number	02350DQJ

Version Mapping
Appearance and Structure
Slot Distribution
Indicator Description
Interface Description
Heat Dissipation
Technical Specifications

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Updated: 2023-08-08

Document ID: EDOC1000009848

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