| Field | Type | Description |
|---|---|---|
|
opt_1 |
struct with the fields described in the table below | Port definition corresponding to the optical ports |
|
opt_2 |
||
|
th_neg_top |
Port definition corresponding to the contacts of the "top-arm" thermal tuner |
|
|
th_pos_top |
||
|
th_neg_bot |
Port definition corresponding to the contacts of the "bottom-arm" thermal tuner | |
|
th_pos_bot |