Specifications

146 Appendix B: Code Values HighWire MTP-2 - 1.2, September 4, 2002
9-20. L1_LINE_CODE
This field specifies the line code for each of the framers on the line card.
9-21. L1_LINE_BUILD_OUT
This field specifies the line build out for each of the framers on the line card.
In E1, this is the line impedance. In T1, it is the line length in feet.
CBI_L1_LINE_CODE Value
CBI_HM_DS1_PHYS_ENC_B8ZS 1
CBI_HM_DS1_PHYS_ENC_AMI 2
CBI_HM_DS1_PHYS_ENC_HDB3 3
CBI_L1_LINE_BUILD_OUT Value
CBI_HM_DS1_E1_IMPEDANCE_75_OHM 1
CBI_HM_DS1_E1_IMPEDANCE_120_OHM 2
CBI_HM_DS1_E1_IMPEDANCE_75_OHM_HIGH 3
CBI_HM_DS1_E1_IMPEDANCE_120_OHM_HIGH 4
CBI_HM_DS1_T1_LINE_LEN_0_TO_133FT 1
CBI_HM_DS1_T1_LINE_LEN_133_TO_266FT 2
CBI_HM_DS1_T1_LINE_LEN_266_TO_399FT 3
CBI_HM_DS1_T1_LINE_LEN_399_TO_533FT 4
CBI_HM_DS1_T1_LINE_LEN_533_TO_655FT 5