Albalá Ingenieros SEM2000C01 Manuale utente
SEM2000C01
SYNCHRONOUS ETHERNET MASTER GENERTOR
Version 1.0
Albalá Ingenieros, S.A.
Medea, 4 - 28037 Madrid - Spain
30 October 2019 - © Albalá Ingenieros S.A. - All rights reserved
SEM2000C01
SEM2000C01
SYNCHRONOUS ETHERNET MASTER GENERTOR
Version 1.0
1. DESCRIPTION ...................................................................................................................... 5
1.1. The SEM2000C01 ........................................................................................................................... 5
1.2. Features ............................................................................................................................................. 6
1.3. Block diagram .................................................................................................................................. 7
2. SPECIFICATIONS ................................................................................................................. 9
3. INSTALLATION .................................................................................................................. 11
3.1. Initial inspection .......................................................................................................................... 11
3.2. Safety instructions ...................................................................................................................... 11
3.3. Environmental considerations ................................................................................................ 12
3.4. Installation of SFP/SFP+ modules .......................................................................................... 12
3.5. Installing the module in the mounting frame ................................................................... 13
3.6. Interconnection ............................................................................................................................ 13
3.6.1. Connecting to the electrical ports ................................................................................. 14
3.6.2. Connecting to the optical port ....................................................................................... 14
4. OPERATION ...................................................................................................................... 15
4.1. Front panel description .............................................................................................................. 15
4.2. Functional description ............................................................................................................... 15
4.3. Module remote control and supervision ............................................................................. 17
4.3.1. Details of the SEM2000C01 registers .......................................................................... 18
5. GLOSSARY ........................................................................................................................ 21
6. REGULATIONS .................................................................................................................. 23
7. VERSIONS ......................................................................................................................... 25
SEM2000C01
Albalá Ingenieros | Manual SEM2000C01
1. DESCRIPTION
1.1. The SEM2000C01
The SEM2000C01 is a synchronization master generator for use in synchronous Ethernet
networks. It provides two electrical ports that operate at 10Mbit/s, 100Mbit/s and
1Gbit/s and one optical port that can operate at 1Gbit/s and 2.5Gbit/s.
The electrical ports can automatically negotiate their datarates as well as operation in
full duplex or half duplex modes (FD/HD). The operating mode and datarates can also be
user-selected. The optical port must be configured according to the capabilities of the
SFP modules installed.
The ports of the SEM2000C01 always operate in master mode, guaranteeing that all the
links with any equipment that connects to the SEM2000C01 will use its reference clock.
The reference clock can be sourced from a GNSS receiver module installed in the same
mounting frame, such as the GPS2001C01, or from an internal oscillator with a
frequency stability of ±1ppm. Information regarding the reference being used is
communicated to the devices connected to the SEM2000C01 via the Ethernet
Synchronization Message Channel (ESMC) as per the ITU-T G.8264 standard.
It is possible to monitor the SEM2000C01 status remotely using a communications
controller module installed in the same mounting frame. In addition, certain controller
modules provide SNMP management and the ability to record events in a file including
date and time information for further analysis.
The SEM2000C01 is a TL2000 terminal line module and can be housed in a two rack unit
(2 RU) UR2000 mounting frame.
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Albalá Ingenieros | Manual SEM2000C01
1.2. Features
• Synchronization master generator module for synchronous Ethernet.
• Includes:
- Two electrical ports using RJ45 connectors at 10/100/1000Mbit/s.
-One receptacle into which an SFP module can be installed that operates at
1000/2500Mbit/s.
• The characteristics that distinguish this module from a conventional switch are:
-The ports are configured in master mode to guarantee that the links with equipment
connected to the module will use its reference clock.
-Provides an Ethernet Synchronization Message Channel (ESMC) to transmit
messages containing the Synchronization Status Message (SSM) as per the ITU-T G.
8264 standard.
•The optical cage can accept 1000Base-LX, 1000Base-SX, SFP 1000Base-LX and
1000Base-CX SFP modules from any manufacturer that complies with the SFP-MSA
standard.
•Module control and supervision can be done remotely when the mounting frame is
equipped with a communications controller module.
• Low power.
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Albalá Ingenieros | Manual SEM2000C01
1.3. Block diagram
7
Albalá Ingenieros | Manual SEM2000C01
SEM2000C01
8
Albalá Ingenieros | Manual SEM2000C01
2. SPECIFICATIONS
Ethernet interface
Connector RJ45 (ports 1 & 2)
Connector According to SFP-MSA (optical port)
Encoding and electrical characteristics:
1000BASE-X According to IEEE std 802.3-36 standard
1000BASE-T According to IEEE std 802.3-40 standard
100BASE-T According to IEEE std 802.3-24,25
standard
10BASE-T According to IEEE std 802.3-13,14
standard
Operating modes Auto-negotiation and user selectable
General
Power consumption 3.0 W including SFP module
Operating temperature range 0 .. 50 ºC
Approximate weight 150 g
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Albalá Ingenieros | Manual SEM2000C01
SEM2000C01
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