====== Pin assignment ======
==== Overall structure ====

{{:groups:mg:pinbelegungen_1_.jpg?600|}}

==== Sub D-9 connectors ====
{{:groups:mg:project_ptb-cavity:sub-d9_connector.jpg?100|Normal Sub D-9 Connector}}

=== Laser driver ===
  * laser diode connector (LD): D-type Female (Buchse)
  * TEC Connector (TEC): D-type Male (Stecker)

=== Laser Mount ===
  * laser diode connector (LD): D-type Female (Buchse)
  * TEC Connector (TEC): D-type Male (Stecker)

^ Pin    ^ Laser driver **LD**           ^ Laser Mount  **LD**        ^ Laser driver **TEC**   ^  Laser Mount  **TEC**     ^
| 1      | -  | Interlock and Status Pin (LDC Specific)  | -  | TEC Lockout (+)  | 
| 2      | -  | Photodiode Cathode PDC  | NTC1  | +Thermistor TH+  | 
| 3      | LD_GND | Laser Diode Anode LDA  | NTC2  | -Thermistor TH_GND  | 
| 4      | -  | Photodiode Anode PDA  | Peltier+  | TEC (+)  | 
| 5      | -  | Interlock and Status Return  | Peltier-  | TEC (-) and TEC Lockout (-) | 
| 6      | -  | Laser Diode Voltage (-) VLD(-)  | Peltier+  | -  | 
| 7      | - | Laser Diode Cathode LDC  | -  | -  | 
| 8      | LD-anode  | - | Peltier-  | -  | 
| 9      | -  | Laser Diode Voltage (+) VLD(+) | -  | -  | 

==== Pin to Connector Configuratuion for Typ 2 with Bias-T ====

{{:groups:mg:project_ptb-cavity:laserdiode.jpg?300| Pin assigment from Lasediode (Thorlabs: Typ 2 with Bias-T)}}{{:groups:mg:project_ptb-cavity:laserdiode_riolaser.jpg?300|Pin assigment (rioLaser)}}

^ Pin    ^ Laser Mount          ^ Laserdiode        ^ 
| 1      | Thermistor Ground  | Thermistor  | 
| 2      | Thermistor  | Thermistor | 
| 3      | LD Cathode | Laser Cathode DC Bias (-)  | 
| 4      | PD Anode  | PD Anode (-)  | 
| 5      | PD Cathode  | PD Cathode (+)  | 
| 6      | TEC Anode  | TEC +  | 
| 7      | TEC Cathode | TEC - | 
| 8      | Case  | N.C. | 
| 9      | Case  | Package |
| 10     | N.C.  | Package |
| 11     | LD Anode  | Laser Anode (+) |
| 12     | Modulation Input  | Cathode (RF input) |
| 13     | LD Anode  | Laser Anode (+) |
| 14     | N.C.  | Package |


====== Cables ======

==== Meerstetter - Laser Mount TEC ====
  * blue
  * 3 m 
  * CAT6-cable
  * with ferrite cores
  * outer shield connected to GND of Meerstetter

^ colour of the cable     || white    | white  | orange   | blue  | green    | brown  | white    | white  | outer shield     |
^ connected to Pin        || 2                || 3               || 4                || 5                || 9                |
^                         || NTC (+)          || NTC (-)         || TEC (+)          || TEC (-)          || GND Meerstetter  |

{{:groups:mg:project_ptb-cavity:meerstetter_-_lasermount_tec_schema.jpg?400|}}{{:groups:mg:project_ptb-cavity:meerstetter_-_lasermount_tec.jpg?400|}}
==== Adapter for  Lasermount & cable to Laserdriver ====
  * with a SMA connector for the Photodiode inside the Butterfly housing

^ describtion in Lasermount || PD-cathode  | LD-anode | PD-anode  | LD-GND    |
^ Lasermount - Pin      || 2           | 3        | 4         | 7         |
^ colour of cable       || orange      | red      | yellow    | green     |
^ Laserdriver - Pin     ||             | 8        |           | 3         |
^ SMA                   || outer       |          | pin       |           |


{{:groups:mg:project_ptb-cavity:ld-adapter.jpg?400|}}
{{:groups:mg:project_ptb-cavity:adapter_lasertreiber_thorlabsmount.jpg?400|}}

==== Laserdriver - Adapter for Lasermount ====
  * orange
  * 3 m 
  * CAT6-cable
  * with ferrite cores
  * outer shield connected to GND of the Laserdriver

^                         || LD-GND                          |||| LD-anode                          |||| GND Laserdriver  |
^ colour of the cable     || white   | white  | white  | white  | green     | orange  | brown  | blue  | outer shield     |
^ connected to Pin        || 3                               |||| 8                                 |||| 6                |


{{:groups:mg:project_ptb-cavity:laserdriver_-_ld-adapter.jpg?400|}}
{{:groups:mg:project_ptb-cavity:laserdriver_thorlabsmount.jpg?400|}}

===== Connections Overview =====

^ Laser Diode Component ^ Polarity ^ Laser Diode Pin ^ Thorlabs Connector ^ Pin ^ Meerstetter Connector ^ Meerstetter Pin ^ Adapter PD Thorlabs Side ^ Adapter PD SMA Socket ^ Adapter PD Laser Driver Side ^ Laser Driver ^
| Thermistor |  | 1 | TEC-Driver | 3 |  | 3 | | | | |
| ::: |  | 2 | ::: | 2 |  | 4 | | | | |
| TEC | + | 6 | ::: | 4 |  | 10 | | | | |
| ::: | - | 7 | ::: | 5 |  | 9 | | | | |
| Photo Diode | Anode | 4 | LD-Driver | 4 | | | 4 | pin | | |
| ::: | Cathode | 5 | ::: | 2 | | | 2 | shielding | | |
| Laser Diode | Anode | 11, 13 | ::: | 3 | | | 3 | | 8 | 8 |
| ::: | Cathode | 3 | ::: | 7 | | | 7 | | 3 | 3 |

The cables connect the pins with the same numbers on both sides(Meerstetter: 2,3,4,5; Laser Driver: 3&8).