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IRT DDA-4280 Скачать руководство пользователя страница 15

4280-dda.ib.rev0.doc

Page 15 of 17

11/03/2009

SNMP with IRT Products:

IRT Electronics currently employs SNMPv1 with its SNMP capable frames. The frame acts as an

agent

when fitted

with a CDM-xxxx module. This module has its own designated slot next to the power supply so as to not affect the
number of modules that the frame will take. Communication between the

NMS

, the frame and its loaded modules are

via this CDM-xxxx module. Note that the

NMS

software is third party and not supplied by IRT Electronics.

Ethernet connection for SNMP operation is via an RJ45 connector on the rear of the frame, below the mains inlet.
Ethernet rate runs at either 10 baseT or 100 baseT.

Frame parameters, such as Name, Address and Location, are set via an RS232 interface, a D9 connector on the rear
of the frame below the mains inlet. A software terminal emulator, such as Tera Term or HyperTerminal, is used for
setting and reading the parameters of the frame.

IRT modules that are SNMP compatible need a plug-in SMU-4000 module with a program relevant to the module
that it is plugged into. Depending on the module, besides the module identification, parameters such as alarm states,
inputs and controls etc. are communicated to the CDM-xxxx

agent

via a data bus on the rear of the frame. Thus the

CDM-xxxx collects information on what is loaded within the frame, what positions they occupy, and their current
status for communication to the

NMS

when the

NMS

sends a request for information.

In the event of a major alarm from any of the SNMP compatible modules, or power supplies, a

trap

is automatically

sent by the CDM-xxxx

agent

to the

NMS

without any prompting by the

NMS

. This alerts the operator to any fault

conditions that may exist that need immediate attention.

FRU-4000

FRAME

110/240 V 50/60 Hz

0.7 A (max.)

FUSES

110/120 Vac

1A S.B.

220/240 Vac

500 mA S.B.

AS3260 approval no.: CS6346N
Ass. no.: 804692

+

-

48Vdc

Alarm

RS232

Ethernet

IRT SNMP Connections

IRT modules fitted

with SMU-4000

PSU’s

CDM-xxxx

IRT SNMP Frame

IRT SNMP Frame

IRT modules fitted

with SMU-4000

PSU’s

CDM-xxxx

Network

Ethernet Cable

Ethernet Cable

Ethernet Cable

NMS

IRT SNMP Setup

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Содержание DDA-4280

Страница 1: ...manufactured in Australia IRT can be found on the Internet at http www irtelectronics com I R T Electronics Pty Ltd A B N 35 000 832 575 26 Hotham Parade ARTARMON N S W 2064 AUSTRALIA National Phone...

Страница 2: ...at Is It 14 DDA 4280 SNMP Functions 16 Maintenance Storage 17 Warranty Service 17 Equipment return 17 This instruction book applies to units later than S N 0901001 Operational Safety WARNING Operation...

Страница 3: ...by Changeover inhibit and changeover request switches are provided on the front panel for use where modules are linked in pairs for redundancy For this configuration the double width rear assembly is...

Страница 4: ...Y RL1 2 RELAY RL5 2 RL2 1 RL2 1 RL3 RL3 Output Driver FPGA E1Generator Change over logic AIS Detector INPUT SK5 RL1 2 OUTPUTS SK4 Data Reg with Jitter Att MON SK2 Block diagram DDA 4280 Signal path SK...

Страница 5: ...has failed General alarm Contact to open circuit if Data Loss is detected OR AIS is detected Connectors Data BNC Alarm Krone LSA plus Indicators Data loss AIS detect Module in service Module in standb...

Страница 6: ...using the failed path DDA to become Standby This implies that when the failed path is restored that it will remain as Standby and not become Main unless either a failure of Main occurs or a manual cha...

Страница 7: ...signal at various points in the DDA when in operation They are not intended as accurate portrayals of either voltage levels or timing It can be seen that the original signal has both positive and nega...

Страница 8: ...F Disable switching on AIS input when used in handshaking mode ON Enable switching on AIS input when used in handshaking mode SW4 5 Not used SW4 6 Not used SW4 7 Not used SW4 8 Not used NOTE AIS stand...

Страница 9: ...e is connected to earth for safety reasons See frame manual for details Signal earth For safety reasons a connection is made between signal earth and chassis earth No attempt should be made to break t...

Страница 10: ...s reflection problems with G 703 signals causing data errors In general cable runs should be kept as short as possible and should not exceed 200 metres for reliable error free operation Handshake alar...

Страница 11: ...up with the three sets of multipin sockets on the main PCB module Align all pins and then gently press the SMU 4000 all the way down into place If the SMU 4000 is not already programmed with the corr...

Страница 12: ...order and approximate layout only 1 2 3 4 OUTPUT 4 INPUT PL4 SK 13 SK 4 SK 9 SK 8 SK 6 OUTPUT 2 OUTPUT 3 OUTPUT 1 PL5 SK 5 N140 MON ALLOW INHIBIT REQUEST AIS STANDBY CHANGE DATA LOSS MAIN DDA 4280 ZDA...

Страница 13: ...front panels of the units are set to Change Allow and not Change Inhibit Automatic switching parameters are set by a loss of input condition and switch SW3 settings as described in the Configuration s...

Страница 14: ...that information into a form compatible with SNMP The agent therefore acts as an interface between the NMS and the managed devices The NMS sends a request message and control commands for the managed...

Страница 15: ...MP compatible need a plug in SMU 4000 module with a program relevant to the module that it is plugged into Depending on the module besides the module identification parameters such as alarm states inp...

Страница 16: ...4280 dda ib rev0 doc Page 16 of 17 11 03 2009 DDA 4280 SNMP Functions At the time of writing this manual SNMP functions were still to be written for the DDA 4280 Contact IRT for update of status...

Страница 17: ...extended by IRT only to the extent obtainable from the component supplier Equipment return Before arranging service ensure that the fault is in the unit to be serviced and not in associated equipment...

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