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4STM1 (4-Port 155M Packet over SDH/SONET Optical Interface Card)

Card Overview

The 4STM1 is a high-speed WAN access module. Normally, a 4STM1 card provides 155 Mbit/s bandwidth on all the four interfaces for connection to a synchronous digital hierarchy (SDH) network. You can set the bandwidth on interface 0 to 622 Mbit/s by disabling interfaces 1-3. 4STM1 cards are often used for MAN or WAN connection.

A 4STM1 card can be installed in a WSIC slot of a router.

Figure 1 shows the appearance of a 4STM1 card.

Figure 1 4STM1 card appearance

Version Mapping

Table 1 lists the device models and software versions supporting the 4STM1.

Table 1 Version mapping

Card Name	Device Series	Device Model
4STM1 NOTE: This card is supported in V200R005C20, V200R006C10, and later versions.	AR2200 series	AR2204
		AR2204XE
		AR2220
		AR2220E
		AR2240
		AR2240C
	AR3200 series	All models in this series
	AR3600 series	All models in this series

Functions and Features

Table 2 describes the functions and features of a 4STM1 card.

Table 2 Functions and features

Function and Feature	Description
Basic functions	Provides high-speed connection to an SDH network to complete high-efficient, secure IP data transmission between enterprise branches.
Basic functions	Supports transmission rates of 155 Mbit/s and 622 Mbit/s for you to select flexibly. NOTE: You can set the rate of interface 0 to 622 Mbit/s by disabling interfaces 1 to 3.
Protocol	Conforms to synchronous digital hierarchy (SDH) or synchronous optical network (SONET) standards.
Protocol	Supports link layer protocols High-Level Data Link Control (HDLC), Point-to-Point Protocol (PPP), and Frame Relay (FR).

Panel

Figure 2 shows the indicators on a 4STM1 card, and Table 3 describes the indicator states and meanings.

Figure 2 Indicators on a 4STM1 card
Table 3 Indicator description

Number	Indicator	Color	Description
1	STAT	Green	Slow blinking: The system is running properly. Fast blinking: The system is being powered on or restarting. Steady on: The card has been powered on, but the software is not running.
		Red	Steady on: A fault that affects services has occurred and cannot be rectified automatically. The fault needs to be rectified manually.
		Orange	The card has been properly installed and detected by the system.
2 and 3	SFP interface indicators: 2: LINK indicator 3: ACT indicator	Green	LINK indicator steady on: A link has been established.
			LINK indicator off: No link is established.
		Yellow	ACT indicator blinking: Data is being transmitted or received.
			ACT indicator off: No data is being transmitted or received.

Figure 3 shows the interfaces on a 4STM1 card.

Figure 3 Interfaces on a 4STM1 card

1. Four 155M POS optical interfaces

NOTE:

You can set the rate of interface 0 to 622 Mbit/s by disabling interfaces 1 to 3.

POS optical interface

A Packet over SONET/SDH (POS) optical interface provides reliable a high-speed point-to-point IP data connection. Table 4 lists attributes of a POS optical interface.

Table 4 POS optical interface attributes

Attribute	Description
Connector type	LC/PC
Optical attributes	Depending on the optical module used. For details, see SFP-FE-SX-MM1310, eSFP-FE-LX-SM1310, S-SFP-FE-LH40-SM1310,and S-SFP-FE-LH80-SM1550.
Standards compliance	STM-1/STM-4
Frame format	SDH/SONET
Network protocol	IP

Technical Specifications

Table 5 lists the technical specifications of a 4STM1 card.

Table 5 Technical specifications

Item	Specification
Card type	WSIC
Hot swap	Supported
Physical specifications	Dimensions (W x D x H): 201 mm x 223.5 mm x 19.82 mm (7.91 in. x 8.80 in. x 0.78 in.) Maximum power consumption: 16.6 W Weight: 0.6 kg (1.32 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 to 5000 m (16404.2 ft.)
Safety standards compliance	UL 60950-1 EN 60950-1 IEC 60950-1 BS EN 60950-1 CSA C22.2 No. 60950-1 AS/NZS 60950.1 IS 13252 For details, see the Huawei AR1200&AR2200&AR3200&AR3600 Series Enterprise Routers Safety and Regulatory Compliance Information.
EMC standards compliance	FCC 47CFR Part 15 Class A ICES 003 Class A EN55022 Class A CISPR22 Class A CISPR24 AS/NZS CISPR22 Class A VCCI Class A ETSI EN 300 386 Class A EN55024 For details, see the Huawei AR1200&AR2200&AR3200&AR3600 Series Enterprise Routers Safety and Regulatory Compliance Information.
Environmental standards compliance	RoHS ETSI EN 300 019-2-1 ETSI EN 300 019-2-2 ETSI EN 300 019-2-3 For details, see the Huawei AR1200&AR2200&AR3200&AR3600 Series Enterprise Routers Safety and Regulatory Compliance Information.

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