26
DHY-03 User Handbook
Error Messages
ERR:01
- Command Not Found
ERR:02
- Invalid Command
ERR:03
- Setting Command not in Setting Mode
ERR:04
- Parameter out of range
ERR:05
- Write Parameter is Read Only
ERR:08
- No Line Volts present
DHY-03 Serial Parameters
Parameters are read and written using the RDP and WRP commands in setting mode only
Note: parameter values are described below using decimal values but are sent and
received in Hex.
Parameter Numbers – Function and Value
01 – Country Code
(1 – 120 are presets, 121 – 126 are user sets
see Table 2-1)
02 – DTMF Select
(0=Off, 1-16=123A456B789C*0#D, 17= Line Connect)
and add 128 for divert relay enable
03 – Network Cancellation Duration in milliseconds – default 24 (Min 10, Max 127)
04 – Calibration Register
(network cancellation coefficients - 1 save next;
user hybrid coefficients - 4 tune using current
table, 8 tune using all tables )
05 – Auto Answer Rings
(0=Off, 1-10= Number of rings before
answering) - Overidden by dip switch SW4
06 – Jumper Function
- Sum of following values sets JP2/Dip Switch 10
jumper function or dipswitch 10 for the DHY-03EC
Network Audio Loop back
= 1
}
Network Audio Multitone
= 2
} Mutually Exclusive options
Network Audio Direct from Line
= 3
}
Line Audio Loop back
= 4
}
Line Audio Estimation Error
= 8
} Mutually Exclusive options
Line Audio Direct from Network
= 12 }
Switch Off Network Adaptation
= 16
Switch Off Acoustic Adaptation
= 32
Top Row LEDs shows Debug Status = 64
Reserved
= 128
07 – Meter Select – allows user to alter LED bargraph function
08 – 24 – Reserved
SERIAL PORT CONTROL
SERIAL PORT C
ONTR
OL
3
