Cronyx FMUX/16E1 Manuel utilisateur

Multiplexer

FMUX / 16E1

16 E1 Channels

Installation and Operation Manual

Document Version: 2.2E / 15.06.2005

FMUX/16E1 Multiplexer

Safety Precautions

An exclamation point enclosed in a triangle warns the user about important

operations and maintenance instructions for the device.

It is mandatory to observe the existing safety rules during installation, operation,

and maintenance of the device. Installation, maintenance, and repair operations must

be performed only by qualied and certied personnel. Installation, maintenance,

and repair operations may not be performed by the operator or the user.

FMUX multiplexer equipment has been tested in the communication hardware

and systems testing center of CNIIS of the Ministry of Communication of Russian

Federation and has been acknowledged to comply the following technical speci-

cations:

• RD 45.100-2000 «Technical requirements for the equipment of ber optic

transmission path of plesiochronous digital hierarchy»

• «Technical requirements for the 2/8 Mbps second order digital multiplex equip-

ments of digital transmission systems», approved by the Ministry of Commu-

nications of the Russian Federation, January 17, 1997

• «Technical requirements for the 2/34 Mbps third order digital multiplex equip-

ments of digital transmission systems», approved by the Ministry of Commu-

nications of the Russian Federation, January 17, 1997

• GOST R ISO 9001-96.

FMUX multiplexer hardware is admitted to be used in the interconnected com-

munication network of the Russian Federation as second and third order digital

multiplex equipment with optical transmission path.

Cronyx reserves the right to make changes to technical characteristics and design of

the device without the prior notification of customers.

FMUX/16E1 Multiplexer

Contents

Chapter 1. Introduction...................................................5

1.1. Application............................................................................................... 5

1.2. Basic Features of the FMUX Family of Multiplexers ............................. 6

1.3 Ordering Information ................................................................................ 7

1.4. Technical Specications .......................................................................... 8

Optical Transceiver.................................................................................. 8

E1 Port Interface ...................................................................................... 9

E3 Link Interface ..................................................................................... 9

Alarm Port Interface ................................................................................ 9

Console Port Interface ............................................................................. 9

SNMP Port Interface.............................................................................. 10

Diagnostic Modes .................................................................................. 10

Mechanical Characteristics.................................................................... 10

Power Requirements.............................................................................. 10

Environmental Characteristics............................................................... 10

Section 2. Installation....................................................11

2.1. Site Requirements ...................................................................................11

2.2. Optical Link Power Budget Precautions.................................................11

2.3. Features of WDM Single Fiber Optical Transceivers.............................11

2.4. Delivered Items.......................................................................................11

2.5. Connections............................................................................................ 12

Power Connection.................................................................................. 12

Ground Terminal.................................................................................... 12

E1 Ports Connectors .............................................................................. 13

TX and RX Optical Link Connectors .................................................... 13

TX and RX E3 Link Connectors ........................................................... 13

SNMP Port Connectors.......................................................................... 14

Console Port Connector......................................................................... 14

Alarm Port Connector............................................................................ 15

Chapter 3. Operation.................................................... 16

3.1. Front Panel Indicators ............................................................................ 16

3.2. Alarm Conditions ................................................................................... 18

FMUX/16E1 Multiplexer

3.3. Device Response to Special Conditions................................................. 19

3.4. Loopbacks .............................................................................................. 20

Local Link Loopback............................................................................. 20

Remote Link Loopback ......................................................................... 20

Port Loopback........................................................................................ 21

3.5. Built-in BER Tester................................................................................ 22

Link Testing: Remote Link Loopback Enabled..................................... 23

Link Testing: Two BER Testers Enabled Against Each Other............... 23

Section 4. Control From the Console ......................... 24

4.1. Upper Level Menu ................................................................................. 24

4.2. Menu Structure....................................................................................... 26

4.3. «Link statistics» Menu........................................................................... 27

4.4. «Port statistics» Menu............................................................................ 28

4.5. «Event counters» Command .................................................................. 29

4.6. «Loopback» Menu ................................................................................. 30

«Ports 0-7 loop» and «Ports 8-15 loop» Menus .................................... 31

4.7. «Test» Menu........................................................................................... 32

4.8. «Congure» Menu ................................................................................. 33

«Ports 0-7 usage» and «Ports 8-15 usage» Menus ................................ 33

«SNMP» Menu ...................................................................................... 34

«Sensor input» Command...................................................................... 35

«Factory settings» Command ................................................................ 35

«Save parameters» Command ............................................................... 35

«Restore parameters» Command........................................................... 35

4.9. «Login to remote FMUX» Command.................................................... 36

4.10. «Reset» Command ............................................................................... 36

Section 5. SNMP-based Management......................... 37

5.1. SNMP Parameters Setting...................................................................... 37

5.2. Management Information Blocks (MIBs).............................................. 38

FMUX/16E1 Multiplexer

Chapter 1. Introduction

1.1. Application

FMUX/16E1 is a multiplexer that allows the transmission of sixteen E1 channels via

ber optic or E3 link.

Note. Hereinaer the term «E1» is used for a designation of the data link having the interface

at nominal bit rate of 2048 kbps in conformity with the ITU-T Recommendation G.703,

and operated in both framed mode in conformity with the ITU-T Recommendation G.704

(or with the IKM-30) and unframed (transparent) mode.

The gure below shows the product application diagram:

Each E1 channel is transmitted independently so that the clock frequency of each chan-

nel should not depend on other channels clock frequencies.

FMUX/16E1 Multiplexer

1.2. Basic Features of the FMUX Family of Multiplexers

• Transmission of four, eight or sixteen E1 channels via ber optic link (16-channel

version may be ordered with E3 link option)

• Single mode or multimode ber

• Distance up to 150 km

• Single ber transmission option

• Models with additional Ethernet 10/100Base-T or V.35/RS-530/RS-449/RS-232

ports

• Model with Ethernet 10/100Base-T port operates in remote bridge mode and supports

VLAN protocol

• Compliance with ITU-T G.703, G.704, G.742, G.751, G.823, G.955, O.151 and IEEE

802.3 standards

• Local and remote loopbacks

• Integrated BER tester

• Console RS-232 port

• SNMP-based management option (via dedicated Ethernet 10Base-T port)

• Alarm interface («dry contacts» relay)

• Stand-alone or 1U 19-inch rack-mount version

• AC or DC power.

The device operation may be controlled from the console (ASCII terminal connected

to the RS-232 control port). The device may be equipped with the dedicated Ethernet

10Base-T port to support SNMP-based management.

The multiplexer’s front panel indicators display the channels availability, loopbacks

enable and testing modes.

The built-in BER tester allows the error level measurement in the E1 link. The mea-

surements are performed on the xed or pseudorandom code subject to the ITU-T

Recommendation O.151 guidelines (supported length of sequence is 223-1=8388607

bits).

There is a capability of remote login to control the remote device operation from the

console port of the local device (this mode may be useful if there is no service person-

nel on the remote end of the link). Commands are transmitted to the remote device via

additional monitoring channel.

The device is equipped with an emergency alarm relay. The state of the relay on the lo-

cal device depends on fault conditions detected and may be controlled from the remote

device. The relay operates in «dry contacts» mode and may be used for prompt main-

tenance (according to the ITU-T Recommendations G.742 and G.751).

The rmware of the device may be updated by user. The instructions for updating the

rmware may be found at the www.cronyx.ru web site.

FMUX/16E1 Multiplexer

1.3 Ordering Information

Electric power:

-AC — ~176...264VAC

-DC — =36...72VDC

Ports:

/16E1 — 16 E1 ports

Connector:

/FC — FC type, optical

/ST — ST type, optical

/BNC — BNC type, coaxial

(for E3 module)

Line module:

-TM13 — MM, LED, 1310 nm;

up to 2 - 5 km

-TS13 — SM, FP LD, 1310 nm;

up to 40 - 80 km

-TS15 — SM, DFB LD, 1550 nm;

up to 80 - 150 km

-TW13 — SM, FP LD, 1310 nm;

single fiber; up to 40 -

60 km

-TW15 — SM, DFB LD, 1550 nm;

single fiber; up to 40 -

60 km

-E3 — E3 interface

_____

SM — single mode fiber

MM — multimode fiber

SNMP-based management

option: dedicated Ethernet

10Base-T port

FMUX/16E1 Multiplexer

1.4. Technical Specications

Optical Transceiver

Optical Module

TM13 TS13 TS15 TW13 TW15

Fiber Type Multimode,

50/125

Single Mode,

9/125

Single Mode,

9/125

Single Mode,

9/125

Single Mode,

9/125

No. of Fibers Two Two Two One One

Minimum Fiber

Optic Cable Pow-

er Budget

13 dB 29 dB 29 dB 26 dB 26 dB

Fiber Optic Cable

Minimum Length

Limitation

No No No No No

M a x i m u m F i -

ber Optic Cable

Length

2 - 5 km 40 - 80 km 80 - 150 km 40 - 60 km 40 - 60 km

Note

Uses WDM,

requires the

TW15 opti-

cal module at

the opposite

end of ber

Uses WDM,

requires the

TW15 opti-

cal module at

the opposite

end of ber

Transmitter

Transmitter Type LED FP LD DFB LD FP LD DFB LD

Wavelength 1310 nm 1310 nm 1550 nm 1310 nm 1550 nm

Optical Output

Power -19 dBm -5 dBm -5 dBm -8 dBm -8 dBm

Spectral Width 200 nm 3 nm 1 nm 3 nm 1 nm

Receiver

Maximum Input

Optical Power -14 dBm -3 dBm -3 dBm -3 dBm -3 dBm

Receiver Sensi-

tivity -32 dBm -34 dBm -34 dBm -34 dBm -34 dBm

FMUX/16E1 Multiplexer

E1 Port Interface

Nominal bit rate ............................................. 2048 kbps

Line code........................................................ HDB3

Framing.......................................................... Transparent stream transmission either

with framing (Framed G.704) or with-

out framing (Unframed G.703)

Error detection ............................................... Code violation

Line impedance.............................................. 120 Ohm symmetric (twisted pair)

Receiver signal level...................................... From 0 up to –12 dB

Jitter attenuation............................................. In transmit path

Overvoltage protection................................... TVS

Overcurrent protection................................... Fuse

Connector type............................................... RJ-48 (8-wire socket)

E3 Link Interface

(for the «-E3/BNC» version)

Nominal bit rate ............................................. 34.768 Mbps

Line code........................................................ HDB3

Error detection ............................................... Code violation

Line impedance.............................................. 75 Ohm (coax cable)

Receive signal attenuation range ................... From 0 to –15 dB (up to 440 m)

Overvoltage protection................................... TVS

Overcurrent protection................................... Fuse

Connector type............................................... BNC

Alarm Port Interface

Connector type............................................... DB-9 (female)

Relay contact current ..................................... Up to 600 mA

Relay contact voltage..................................... Up to 110 VDC or up to 125 VAC

Console Port Interface

Interface type, connector type ....................... RS-232 DCE, DB-9 (female)

FMUX/16E1 Multiplexer

Data transfer mode......................................... Asynchronous, 9 600 baud, 8 bits per

character, 1 stop bit, no parity

Modem signals............................................... DTR, DSR, CTS, RTS, CD

SNMP Port Interface

(for the «-SNMP» version)

Interface type ................................................. Ethernet 10Base-T

Connector type............................................... RJ-45 (8-wire socket)

Diagnostic Modes

Loopbacks...................................................... Local, remote

Error rate measurement.................................. Built-in BER tester

Control ........................................................... Via the console port, from a remote

device, via the SNMP port (for the

«-SNMP» version)

Mechanical Characteristics

Construction................................................... 1U rack mount for 19-inch cabinet

Dimensions .................................................... 444 mm x 262 mm x 44 mm

Weight ............................................................ 3.4 kg

Power Requirements

AC supply voltage.......................................... 176–264 VAC, 50 Hz (for the «-AC»

version)

DC supply voltage.......................................... 36–72 VDC (for the «-DC» version)

Max. power consumption............................... 20 VA

Environmental Characteristics

Temperature ................................................... 0 to 50 °C

Relative humidity........................................... Up to 80%, non-condensing

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