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evertz 7707BPX, Manual

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7700 MultiFrame Manual 

7707BPX Optical Bypass 

Protection

 

Switch

 

Page-6

 Revision 

1.6

 

 

2.1. 

GPIO   I/O 

A 6-pin High Density D connector labeled 

GPIO

 contains 2 GPI inputs and GPO relay contact output. 

 

GPI’s:

 

The two top pins on the 6 pin terminal strip are used for two General Purpose inputs (GPI).

 

The 

GPIs can be configured as active high or low by setting DIP switch 3.  The GPI inputs are opto 
isolated with a with an internal pullup resistor to +5V or +12V as shown in Figure 2-2. See 
section 6.4 for information on selecting the pull-up voltage. 

 

GPI

GND

GPI

Command

+ 12

VDC

to

internal

circuit

220 Ohm

+ 5

VDC

LO    HI

Current

Limiter

 

Figure 2-2: GPI Input Circuitry  

 

GPO: 

The 

NC, NO 

and 

COM 

pins on the 6 pin terminal strip are used for the General Purpose Output 

(GPO).  The GPO output is a set of normally open and normally closed relay contacts as 
shown in Figure 2-3.  

 

 NO GPO Contact

GPO Common

from

internal

circuit

NC GPO Contact

 

Figure 2-3: GPO Configuration 

 

Summary of Contents for 7707BPX

Page 1: ...EDS 9 4 2 DOT MATRIX DISPLAY 10 4 2 1 Displaying the Optical Power of Input A and Input B 10 4 2 2 Displaying the GPI1 and GPI2 State 10 4 2 3 Displaying the GPO State 11 4 2 4 Displaying the Active Channel 11 4 2 5 Setting the Optical Power Threshold for Auto Mode Switching 11 4 2 6 Changing the Orientation of the Text on the Display 11 4 2 7 Selecting the Channel Remote Mode Only 11 5 DIP SWITCH...

Page 2: ...onal Configuration 2 Figure 1 3 Bi Directional Configuration 2 Figure 1 4 Bi Directional Setup Step 1 3 Figure 1 5 Bi Directional Setup Step 2 4 Figure 2 1 7707BPX Rear Panel 5 Figure 2 2 GPI Input Circuitry 6 Figure 2 3 GPO Configuration 6 Figure 6 1 Location of Jumpers Main Module 15 Figure 6 2 GPI Input Circuitry 16 Tables Table 5 1 DIP Switch Functions 13 Table 5 2 Operating Mode Switch Settin...

Page 3: ...document concerning performance of Evertz products are for informational use only and are not warranties of future performance either expressed or implied The only warranty offered by Evertz in relation to this product is the Evertz standard limited warranty stated in the sales contract or order confirmation form Although every attempt has been made to accurately describe the features installation...

Page 4: ...7700 MultiFrame Manual 7707BPX Optical Bypass Protection Switch Revision 1 6 This page left intentionally blank ...

Page 5: ... can also be set to auto switch back to the Main source when this signal is re established The 7707BPX occupies one card slot and can be housed in either a 1RU frame which will hold up to three modules or a 3 RU frame which will hold up to 15 modules Features Intelligent auto switching with input power detection and user definable threshold Supports manual or automation control via GPI interface C...

Page 6: ...ure 1 2 Uni Directional Configuration Provides system protection against fiber breaks 7707BPX settings can be set to any configuration 1 1 2 Bi Direction Bypass Switch Optical Transmitter Receiver 7707BPX Optical Transmitter Receiver 50 50 7705 DS Figure 1 3 Bi Directional Configuration For bi directional use the 7707BPX requires that the maximum allowable optical signal attenuation in the fiber l...

Page 7: ... will subsequently be referred to as the Remote Launch Powers Next measure the optical power before Channel A and Channel B of the 7707BPX as shown in Figure 1 4 Verify the system complies with the following two formula Remote Launch Optical Power Channel A 15 Optical Power Meter Reading Remote Launch Optical Power Channel B 15 Optical Power Meter Reading Optical Transmitter Receiver 7707BPX Optic...

Page 8: ...o avoid Back reflection issues measure the optical power being transmitted from Channel A and Channel B of the 7707BPX as shown in Figure 1 5 Set the 7707BPX s optical threshold to Optical Threshold A Optical Power Meter Reading 12 Optical Threshold B Optical Power Meter Reading 12 Optical Transmitter Receiver 7707BPX Optical Transmitter Receiver 50 50 7705 DS Optical Power Meter Optical Transmitt...

Page 9: ...r plate and inserting the module into the frame see the 7700FR chapter section 3 Figure 2 1 7707BPX Rear Panel INPUT A B The two SC PC shown ST PC or FC PC female connectors are wide range optical inputs that accept wavelengths accommodating standard 1310nm or 1270nm to 1610nm CWDM transmission schemes The A connector is for the Main input and the B connector is for the Standby input OUTPUT This S...

Page 10: ... inputs are opto isolated with a with an internal pullup resistor to 5V or 12V as shown in Figure 2 2 See section 6 4 for information on selecting the pull up voltage GPI GND GPI Command 12 VDC to internal circuit 220 Ohm 5 VDC LO HI Current Limiter Figure 2 2 GPI Input Circuitry GPO The NC NO and COM pins on the 6 pin terminal strip are used for the General Purpose Output GPO The GPO output is a ...

Page 11: ...ansmission characteristics of the fiber are dependent on the shape of the optical core and therefore care must be taken to prevent fiber damage due to heavy objects or abrupt fiber bending Evertz recommends that you maintain a minimum bending radius of 3 cm to avoid fiber bending loss that will decrease the maximum attainable distance of the fiber cable The Evertz fiber optic modules come with cab...

Page 12: ...ow with internal pull ups to 5V Connector 2 pins plus ground on 6 pin terminal strip Signal Level 5V Pullup Low 5 to 2 5 VDC High 3 5 to 10 VDC 12V Pullup Low 5 to 9 5 VDC High 10 5 to 15 VDC Max Sink Current input shorted to ground 15 mA Max Leakage Current for input High 200 µA 3 3 GENERAL PURPOSE OUTPUTS Number of Outputs 1 Type Dry Contact relay contacts normally open and normally closed conta...

Page 13: ...exists or if a local input power fault exists i e a blown fuse The LOCAL FAULT indication can also be reported to the frame through the FRAME STATUS jumper MODULE OK This Green LED indicates good module health It will be On when a valid optical input signal is present and the laser and board power are good There are four small LEDs beside the LED display that indicate the status of the module CH A...

Page 14: ...hannel S W Display firmware version SET MINA Set Channel A s minimum power threshold before the switch will activate in Auto mode MINB Set Channel B s minimum power threshold before the switch will activate in Auto mode DISP Set orientation of text in the card edge display CSEL Select Auto Manual mode in Remote mode only 4 2 1 Displaying the Optical Power of Input A and Input B The 7707BPX detects...

Page 15: ...cal power threshold for each channel before the auto switch function will occur To increase the optical power threshold press the toggle switch up To decrease the optical power threshold press the toggle switch down The threshold will be shown in dB 4 2 6 Changing the Orientation of the Text on the Display The DISP display allows the user to select a horizontal or vertical orientation for the disp...

Page 16: ...al Bypass Protection Switch Page 12 Revision 1 6 SET CSEL AUTO CH A CH B BACK AUTO Turns on the Auto Mode Card will switch automatically CH A Selects channel A CH B Selects channel B BACK Takes user to main menu without changing anything ...

Page 17: ...ing modes for the 7707 BPX DIP 1 Switch Back DIP 2 Manual Mode DIP 4 Dual GPI Mode Mode Name Mode Description On Off Single GPI Switch to input A if GPI1 is Active Switch to input B if GPI1 is Inactive On On Dual GPI Switch to input A if GPI1 is Active Switch to input B if GPI2 is Active Off Off Off Invalid Do not use Off Off On Auto no switch back Switch to input A if GPI1 is Active Switch to inp...

Page 18: ...ection Switch Page 14 Revision 1 6 5 2 CONTROLLING WHETHER GPIS ACTIVATE WHEN HIGH OR LOW DIP switch 3 controls whether GPIs are active when high or low DIP 3 DESCRIPTION Off GPIs are active when low On GPIs are active when high Table 5 3 GPI Settings ...

Page 19: ... global status bus FRAME STATUS To monitor faults on this module with the frame status indicators on the Power Supply FRAME STATUS LED s and on the Frame s Fault Tally output install this jumper in the On position Default When this jumper is installed in the Off position local faults on this module will not be monitored 6 2 SELECTING WHETHER MODULE WILL BE CONTROLLED FROM THE LOCAL CONTROLS OR THR...

Page 20: ...e Run the upgrade as described in the Upgrading Firmware chapter of this manual Once the upgrade is completed remove the module from the frame move the UPGRADE jumper into the RUN position remove the upgrade cable and re install the module The module is now ready for normal operation 6 4 SELECTING THE GPI PULLUP VOLTAGE The GPI jumper J15 and J16 located at the rear of the module selects whether t...

Page 21: ...dback that the configuration has been carried out There are 3 components of SNMP 1 An SNMP manager also known as a Network Management System NMS is a computer running special software that communicates with the devices in the network Evertz VL Fiber demo Manager graphical user interface GUI third party or custom manager software may be used to monitor and control Evertz VistaLINK enabled fiber opt...

Page 22: ...ut A optical threshold Auto Switchback Mode Indicates if the Auto Switchback Mode is on or off Auto Manual Mode Indicates if the card is in Auto Mode or if in Manual Mode what channel is active GPI1 State Indicates the state of the GPI1 input GPI2 State Indicates the state of the GPI2 input Dual GPI Mode Indicates if Dual GPI Mode is on or off GPI Active State Indicates if GPI Active State is Low ...

Page 23: ...on Remotejumper REM CTL Jumper in REM position DualGPIControlMode Dual GPI Mode is Enabled DIP switch 4 is On or Dual GPI Mode Control Parameter is set On using VistaLINK interface GPIactivehigh GPI Active Mode is Active High DIP switch 3 is On or GPI Active Mode Control Parameter is set to High using VistaLINK interface AutoModeEnabled Auto Mode is enabled DIP switch 2 is On or Auto Switch Mode C...

Page 24: ...7700 MultiFrame Manual 7707BPX Optical Bypass Protection Switch Page 20 Revision 1 6 This page left intentionally blank ...

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