LAPD Link Measurement at the BTS

LAPD Link Measurement at the BTS is used to measure the number of various frames sent between the BSC and the BTS.

LAPD Link

The following table lists the measurement counters related to LAPD Link Measurement at the BTS.

Counter	Refer to Section...
L5101:LAPD_TX_SABME	SABME Frames Sent by the BTS on LAPD Link
L5102:LAPD_RX_SABME	SABME Frames Received by the BTS on LAPD Link
L5103:LAPD_TX_REJ	BTS-Sent Rejects to the LAPD Setup Requests
L5104:LAPD_RX_REJ	BTS-Received Rejects to the LAPD Setup Requests
L5105:LAPD_TX_RNR	RNR Frames Sent by the BTS on LAPD Link
L5106:LAPD_RX_RNR	RNR Frames Received by the BTS on LAPD Link
L5107:LAPD_RETX	I Frames Resent by the BTS on LAPD Link
L5108:LAPD_NRERR	NRERR Frames Received by the BTS on LAPD Link
L5109:LAPD_DATA	L3 Data Requests Received by BTS on LAPD Link
L5110:LAPD_TX_I	I Frames Sent by the BTS on LAPD Link
L5111:LAPD_RX_I	I Frames Received by the BTS on LAPD Link
L5112:LAPD_IOVER	Queue Overflows of Messages Sent by BTS on LAPD Link
L5113:LAPD_RX_LONGFRM_ERR	Erroneous Long Frames Received by BTS Physical Layer on LAPD Link
L5114:LAPD_RX_OCT_ERR	Erroneous Octet Received by BTS Physical Layer on LAPD Link
L5115:LAPD_RX_LOSE_SERIAL	Discarded Series Received by BTS Physical Layer on LAPD Link
L5116:LAPD_RX_CRC_ERR	Number of Times the BTS Receives CRC Errors on LAPD Link
L5117:LAPD_L1L2_IOVER	L1 and L2 Overflows on LAPD Link of the BTS
L5118:LAPD_RX_FRMPHY	Total Frames Received by the BTS Physical Layer on LAPD Link