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IRT DDA-4320, Instruction Book

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DDA-4320 & ZDA-4320RH Instruction Book 

Revision 7

 

www.irtelectronics.com 

Page 1 of 16 

4320-DDA_ib_Rev7.doc 

 

 
 
 
 
 
 

 

 
 
 
 
 
 
 
 
 
 
 
 
 

 

IRT Eurocard 

 

Type DDA-4320 

 

ASI / SDI / STM-1 Path Protection and Distribution Amplifier 

& 

ZDA-4320RH 

Handshake Changeover Assembly 

Designed and 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:   (02) 9439 3744 

Fax:  (02) 9439 7439 

International: 

+61 2 9439 3744 

+61 2 9439 7439 

Email:  [email protected] 
Web: 

www.irtelectronics.com 

 

Summary of Contents for DDA-4320

Page 1: ...r ZDA 4320RH Handshake Changeover Assembly Designed and 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 Hoth...

Page 2: ...912017 4 01 09 2010 AL Alarm conditions changed SNMP parameters changed Firmware versions DDA4320 F4aV1 S4V1 applicable to S N 0912030 DDA4320 F4V1 S4V1 applicable to S N 1009001 5 24 09 2010 AL DIP s...

Page 3: ...DDA 4320 SNMP Functions 14 Maintenance Storage 16 Warranty Service 16 Equipment return 16 This instruction book applies to units with serial numbers 0912017 0912030 with firmware version DDA4320 F4aV...

Page 4: ...n the front panel for use where modules are so linked A manual changeover request may be made either locally by using the front panel switch remotely via a connection on the rear assembly or via Simpl...

Page 5: ...with ZDA 4320RH double width rear assembly Outputs 3 SK8 4 SK4 not fitted CHANGE ALLOW INHIBIT CHANGE REQUEST SET RECLOCKER RATE SW3 1 SW3 2 SW3 3 EQUALISER REDUCTION ENABLE OUTPUT AIS ENABLE SWITCHIN...

Page 6: ...stand alone operation DATA LOSS LED red when no input is present or invalid input signal not applicable to AIS AIS LED red when Alarm Indication Signal AIS detected in STM 1 data CHANGE ALLOW Allow sw...

Page 7: ...hangeover logic A changeover to the companion module will occur under any of the following conditions Loss of input signal or input signal does not match the set signal type AIS detection alarm provid...

Page 8: ...e frame Agent CDM card 9 NOTE 5 For optical transmission the STM 1 signal presents an NRZ format without the CMI encoding used in electrical transmission In this instance it is not an actual optical i...

Page 9: ...assis earth No attempt should be made to break this connection Installation in frame or chassis See details in separate manual for selected frame type Stand alone Operation Input Outputs For use with...

Page 10: ...ing its relevant module PL1 corresponds to the B module and PL6 corresponds to the A module Pin 1 Tally a connection to ground indicates that the corresponding module is acting as the Main path 2 Exte...

Page 11: ...round PL2 INPUT OUT 1 OUT 5 OUT 2 OUT 6 PL5 PL6 1 2 3 PL2 INPUT A OUT 5A OUT 6 OUT 5B OUT 2 PL3 PL2 PL5 PL4 OUT 1 INPUT B 1 2 3 4 5 PL1 1 2 3 4 5 PL6 NOTE Relay bypass between INPUT and OUT 6 on loss...

Page 12: ...ent information and translates 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 co...

Page 13: ...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 parame...

Page 14: ...rred somewhere earlier in the system set this setting to enable 2 to correct the data stream irt4320ddaDataRate Set the input data rate for the reclocker 1 stm1 cmi Standard STM 1 electrical encoding...

Page 15: ...tus that is AIS LOS or invalid input 1 disabled Trap not sent on change of alarm status 2 enabled Trap sent on change of alarm status irt4320ddaFirmwareVer Read the firmware version of the main FPGA i...

Page 16: ...arranty on components shall be 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 a...

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