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A P P E N D I C E S •
APPENDIX F: SERIAL PORT COMMANDS
56
Table 3. AP400 Serial Commands
Command
Function
Command
Function
AA
Select/report Auto Answer for Telco port
MDMODE
Enable/disable modem mode
AAMB
Enable/disable adaptive ambient*
MEQ
Set/report three-band equalization*
AD
Select/report Auto Disconnect for Telco port MHP
Enable/disable high-pass filter*
AGC
Enable/disable AGC*
MINIT
Set/report modem initialization string
AMBLVL
Set/report ambient level
MLINE
Set/report mic/line level*
BAUD
Set/report RS232 port baud rate
MMAX
Set/report max. number/mics
CHAIRO
Enable/disable chairman override*
MPASS
Program modem password string
DECAY
Set/report decay rate
MREF
Set/report echo canceller reference*
DFLTM
Set/report default meter
MTRX
Program/report matrix configuration*
DIAL
Sends dial string to Telco port
MUTE
Set/report mute status*
EC
Enable/disable echo canceller*
NLP
Set/report nonlinear processing*
ERL
Return ERL for a mic channel*
NOM
Enable/disable NOM attenuation*
ERLE
Return ERLE for a mic channel*
NULL
Sends Null command to Telco port
EQ
Enable/disable equalization*
OFFA
Set/report off attenutation
FLOW
Enable/disable flow-control
PAA
Enable/disable PA adaptive mode
FMP
Enable/disable first mic priority
PCMD
Program/report GPIO control pin
FPP
Set/report front-panel passcode
PEVNT
Program/report GPIO status pin
GAIN
Set/report gain setting*
PP
Enable/disable phantom power*
GATE
Report mic gating status
PRESET
Set/report active preset
GMODE
Set/report gating mode*
REFSEL
Set/report output for EC reference
GRATIO
Set/report gate ratio
RING
(Ring indication only)
HOLD
Set/report hold time
RXRD
Selects/reports Receive to Telco port
HOOK
Sends Hook/Flash command
TAMODE
Selects/reports Telco Adapt mode
HOOKD
Selects/reports Hook duration time
TE
Selects/reports Telco Off Hook status
LFP
Enable/disable front-panel lock
TERL
Returns echo return loss for Telco channel
LMO
Set/report last-mic-on mode
TERLE
Returns echo return loss enhancement for Telco channel
LVL
Report level*
TOUT
Set/report inactivity timeout
MASTER
Set/report master/slave settings
UID
Returns unit identification number
VER
Return current version of software
* Applied to a specific channel
BYE
RS232 password protection