Siemens ET1 Series Informations techniques télécharger pdf (Page 6)

INTRODUCTION

1-2

1.1 Functional Description

ETx 901x series are the aggregate link modules of MARS 9000 DSL

CONCENTRATOR. They provide the functionality of interface between the

system TDM bus and the E1 aggregate link. By utilizing this module, payload

from IDSL, MSDSL, MDSL, HDSL, and data port modules is aggregated to

backbone-network/hierarchy-ring for transportation and switching. Several

models are provided for variety of applications:

ET1 9011B:Single E1 port, Balanced mode G.703 interface (Mini terminal-block)

ET1 9011U:Single E1 port, Unbalanced mode G.703 interface (BNC connector)

ET1 9011E:Single E1 port, Unbalanced mode G.703 interface (Euro-style

Siemens 1.6/5.6 connector)

ET2 9012B:Dual E1 port, Balanced mode G.703 interface (Mini terminal-block)

ET2 9012U:Dual E1 port, Unbalanced mode G.703 interface (BNC connector)

ET2 9012E:Dual E1 port, Unbalanced mode G.703 interface (Euro-style

Siemens 1.6/5.6 connector)

SEL

SCAN

ET1

ALM

TEST

AIS

SYNC

CRAFT

EXT CLK

RST

9011B

SEL

SCAN

ET2

CRAFT

EXT CLK

RST

9012B

1 2

ALM

TEST

AIS

SYNC

SEL

SCAN

RST

CRAFT

9011U

ET1

EXT CLK

ALM

TEST

AIS

SYNC

SEL

SCAN

RST

EXT CLK

CRAFT

9012U

ET2

1 2

ALM

TEST

AIS

SYNC

SEL

SCAN

RST

CRAFT

9011E

ET1

EXT CLK

ALM

TEST

AIS

SYNC

SEL

SCAN

RST

CRAFT

9012E

ET2

EXT CLK

1 2

ALM

TEST

AIS

SYNC

Figure 1-1 ET1/ET2

9011B/9012B

Figure 1-2 ET1/ET2

9011U/9012U

Figure 1-3 ET1/ET2

9011E/9012E

Difference between models is the physical E1 interface (connector). They all

provide the same functionality for MARS 9000 system, and running the same

firmware code. We will use the name ETx to represent all these modules in

following sentences, except for special distinction.

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Siemens ET1 Series Informations techniques Page 6

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