Here's a rubric of the current LSC naming convention and proposed upgrades.

PD1_I

PD1_Q

PD2_I

PD2_Q

PD3_I

PD3_Q

PD4_I

PD4_Q

PD5_I

PD5_Q

PD6_I

PD6_Q

PD7_I

PD7_Q

PD8_I

PD8_Q

PD9_I

PD9_Q

PD10_I

PD10_Q

PD11_I

PD11_Q

PD12_I

PD12_Q

PD1_DC

PD2_DC

PD3_DC

PD4_DC

PD5_DC

PD6_DC

PD7_DC

PD8_DC

TRX

TRY

DARM

MICH

PRC

CARM

SRC

XARM

YARM

MC

ETMX

ETMY

ITMX

ITMY

BS

PRM

SRM

MC2

DEMOD

GDS

DEMOD_A

DEMOD_B

LA_1

LA_2

LA_3

LA_4