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D-422-MG  

Rev. 

 

 

 6 

2

 

Specifications 

 

2.1

 

Electrical 

Power: 

+5V DC 0.8A 4W, 

Control: 

Gyda system controller. 

Monitoring: 

Front panel LEDs and  Gyda system controller  

RS-422 Latency:        

500ns maximum single direction latency including 
1m of fiber. 
Additional latency 5µs/km of fiber. 

GPI Latency: 

5µs maximum single direction latency including 
1m of fiber. 
Additional latency 5µs/km of fiber. 

 
2.2

 

Inputs 

 

2.2.1

 

RS-422 

Signal format: 

RS-422 

Connector:      

RJ-45 

Bit Rate:       

DC up to 115.2 kbps 

 

2.2.2

 

GPI 

Connector: DSUB 

25 

Signal type: 

Internal pull 

up to 5V 

 

2.2.3

 

Optical input 

Sensitivity: 

better than –30dBm 

Max. input power: 

-3dBm 

Optical wavelengths: 

1310nm, 1550nm 

Transmission circuit fiber: 

Multi Mode 50/125um, Single Mode 9/125um 
compatible  

Return loss: 

> 26dB 

Connector: 

SC/UPC, Return Loss better than 40dB 

 

2.3

 

Outputs 

 

2.3.1

 

RS-422 

Signal format: 

RS-422 

Connector:      

RJ-45 

Bit Rate:       

DC up to 115.2 kbps 

 

Summary of Contents for D-422-MG

Page 1: ...D 422 MG RS 422 Multiplexer with GPI I O User Manual Rev 0...

Page 2: ...always available in pdf format on our web site http www network electronics com Current revision of this document is the uppermost in the table below Revision Replaces Date Sign Change Description 0...

Page 3: ...output 7 3 CONNECTOR MODULE 8 3 1 D 422 MG C1 8 3 2 Mounting the connector modules 8 3 3 RS 422 Connector Pin Assignments 9 3 4 GPI Input Connector Pin Assignments 9 3 5 GPI Output Connector Pin Assi...

Page 4: ...utgoing multiplexed stream is available both as an optical signal and as an electrical signal for use with a flashlink multichannel DWDM system As stand alone unit the D 422 MG module utilises 2 fiber...

Page 5: ...MG C1570 1570 6nm 0dBm DFB laser D 422 MG C1590 1590 6nm 0dBm DFB laser D 422 MG C1610 1610 6nm 0dBm DFB laser D 422 MG C1270 1270 6nm 0dBm DFB laser D 422 MG C1290 1290 6nm 0dBm DFB laser D 422 MG C1...

Page 6: ...fiber Additional latency 5 s km of fiber 2 2 Inputs 2 2 1 RS 422 Signal format RS 422 Connector RJ 45 Bit Rate DC up to 115 2 kbps 2 2 2 GPI Connector DSUB 25 Signal type Internal pull up to 5V 2 2 3...

Page 7: ...aser Optical wavelength ver 13T 1310nm 40nm Optical power 7 5 dBm Optical power option 0 dBm Optical wavelength ver 15T 1550nm 40nm Optical power 0 dBm Optical wavelength ver C1nn0 1270 1290 1310 1330...

Page 8: ...o RS 422 E1 on each of the D 422 modules The two modules are connected to the fibres with one fiber from TX on module 1 to RX on module 2 and from RX on module 1 to TX on module 2 The TX UPG connector...

Page 9: ...lave device and controller one end of the active device must use a crossed cable The table below takes the crossing on the slave side into consideration RS 422 pin layout Signal Name Port1 Port2 DB9 V...

Page 10: ...lector type An output can switch a maximum load of 100mA at 30V Any device to be controlled by the GPI outputs lamp LED or similar needs to be connected to an external supply voltage on one end and to...

Page 11: ...have alarms on each of the 16 GPI inputs as well as the 16 GPI outputs Only the GPI inputs have alarms attached to them by default Also the same firmware version enables control of the GPI outputs so...

Page 12: ...pp 1 sec The laser is turned off Module is faulty fuse blown etc Module self test is OK and power is present Module has no power Loss of signal No optical input signal check fibre connection and card...

Page 13: ...REFUL WHEN CONNECTING DISCONNECTING FIBER PIGTAILS ENDS NEVER LOOK DIRECTLY INTO THE PIGTAIL OF THE LASER FIBER NEVER USE MICROSCOPES MAGNIFYING GLASSES OR EYE LOUPES TO LOOK INTO A FIBER END USE LASE...

Page 14: ...hlink equipment The equipment will meet the guaranteed performance specification under the following environmental conditions Operating room temperature range 0 C to 50 C Operating relative humidity r...

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