ELINK_SFP_EEPROM_FC_TX_TECH_ADDR
uint8_t val[ELINK_SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
ELINK_SFP_EEPROM_FC_TX_TECH_ADDR + 1,
copper_module_type = val[ELINK_SFP_EEPROM_FC_TX_TECH_ADDR];