Embedded Modem Developer's Guide

Chapter 5 – AT Commands, S-Registers, and Result Codes
Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 46
Command: &V1 Display Last Connection Statistics
Description: Displays the last connection statistics in the following format (shown with
typical results):
TERMINATION REASON LOCAL REQUEST
LAST TX rate 26400 BPS
HIGHEST TX rate 26400 BPS
LAST RX rate. 49333 BPS
HIGHEST RX rate 49333 BPS
PROTOCOL LAPM
COMPRESSION V42Bis
Line QUALITY 038
Rx LEVEL 015
Highest Rx State 67
Highest TX State 67
EQM Sum 00B4
Min Distance 0000
RBS Pattern 00
Rate Drop 00
Digital Loss 2000
Local Rtrn Count 00
Remote Rtrn Count 00
Flex 9481814347C4
RBS Pattern: Shows which bits are being robbed in the least significant 6
bytes, e.g., 03 indicates 2 robbed bits in bit positions 0 and 1.
Digital Loss: Shows if a pad was encountered and if so, what was the digital
loss. 2000 means 0dB.
Flex: Shows V.8bis information as follows:
First byte: Octet 13 (second byte of manufacturer id, 94 = 56K)
Second byte: Octet 14 (Licensee code: 81 = Conexant)
Third byte: Octet 15 (manufacturer's product capabilities)
Fourth byte: Octet 16 (56K version number)
Fifth byte: Octet 17 (Conexant pump code version number)
Sixth byte: Octet 18 (x-law and controller version number)
Bit 6 Forced/Not forced A-Law/µ-Law
0 = Forced A-Law/µ-Law.
1 = Not forced A-Law/µ-Law.
Bit 5 Select A-Law or µ-Law
0 = Select A-Law.
1 = Select µ-Law.
Bit 4:0 Controller version