SL92ML1,ML1,Huawei RTN 900 Series IDU Board

Huawei RTN 900 Series IDU Board SL92ML1 Overview

The ML1 is a 16xSmart E1 service processing board

The functional version of the EMS6 is SL91.

ML1/MD1 boards transmit E1 services on OptiX RTN 950 NEs that transmit E1-carried ATM/CES services in PWE3 mode. The selection of boards depends on desired port quantities.

The ML1/MD1 board is used to:

Transmit CES/ATM E1 services in PWE3 mode.
Allow an MPLS tunnel to traverse a TDM network

An ML1 receives and transmits 16 channels of E1 signals. An MD1 receives and transmits 32 channels of E1 signals.

There are indicators and E1 ports on the front panel of the ML1/MD1.

The ML1/MD1 can be inserted in Slots 1-6, which have consistent logical slot numbers on the NMS.

The port impedance of the ML1/MD1 can be identified by the board feature code of the bar code. A board feature code refers to the number next to the board name in a bar code.

Functions and Features

Function and Feature		Description
		ML1	MD1
Basic functions		Receives and transmits E1 signals, and supports flexible E1 service type configuration.
E1 service type		CES E1 ATM/IMA E1 ML-PPP E1
Port specifications	75-ohm/120-ohm E1 port	16	32
Fractional E1		Supports transparent service transmission at the rate of 64 kbit/s.
ATM/IMA	Maximum number of ATM services	64
	Maximum number of ATM connections	256
	ATM traffic management	Supported
	ATM encapsulation mode	N-to-one VPC N-to-one VCC One-to-one VPC One-to-one VCC
	Maximum number of concatenated ATM cells	31
	ATM OAM	Supports F4 OAM (VP level) and F5 OAM (VC level), including the following functions: Alarm indication signal (AIS)/Remote defect indication (RDI) Continuity check (CC) Loopback test
	Maximum number of IMA groups	16	32
	Maximum number of members in an IMA group	16
CES	Number of services	16	32
	Encapsulation mode	CESoPSN SAToP
	Service type	P2P services
	Idle timeslot compression	Supported only in CESoPSN mode
	Jitter compensation buffering time (µs)	375 to 16000
	Packet loading time (µs)	125 to 5000
	CES ACR	Supported
	Retiming	Supported
MLPPP	MLPPP link type	E1
	Maximum number of PPP links	16	32
	Maximum number of MLPPP groups	8	16
	Maximum number of links in an MLPPP group	16
Anti-theft		Supported
Clock	Clock source	Allows a tributary clock source to be extracted from the first or fifth channel of E1 signals.
	Clock protection	Protection based on clock source priorities
	E1 retiming	Supported
O&M	Loopback	Supports inloops at E1 tributary ports. Supports outloops at E1 tributary ports.
	Warm reset and cold reset	Supported
	PRBS test at E1 ports	Supported
	Query of board manufacturing information	Supported
	Query of board power consumption	Supported

Hunan Moka Information Technology Co., Ltd.

A professional import and export trade company specializing in the agency sales and services of the full range of Cisco products in the United States. Our product range includes Cisco switches, Cisco routers, Cisco firewalls, Cisco wireless APs, Cisco conference terminals, Cisco optical modules, Cisco fiber optic jumpers, Cisco industrial switches, and Cisco software licenses. As an authorized distributor of Cisco in China, we directly purchase hardware and software from Cisco China in the name of projects. As a result, you can obtain the best discounts from Cisco China, typically ranging from 60% to over 90%. Due to Cisco's global sales policy, if you order Cisco licenses, with your consent and permission, we will assist you in installing and activating Cisco licenses within China. Alternatively, you can activate them in your own country, and we will transfer the licenses to you. All you need is a Cisco Smart Account. When the Cisco licenses expire, you can choose to renew them yourself or contact us.

As an authorized distributor of Cisco in China, we directly purchase hardware and software from Cisco China in the name of projects.

Huawei OptiX RTN 900 Series IDU Board SL92ML1

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Functions and Features

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