Turbo
Codec
Spare
Spare
AUPC
Low_Rate
4.8k
4.8k
High_Rate
512k
512k
Monitor /
AGC
1544kbps
G.703
2048kbps
G.703
A * in the `Letter` column indicates these features require additional hardware to be fitted (eg small PCB
or `Chip`). All Other features may be added simply by entering a `Feature Code`.
P300H
P300 Series Modem Installation and Operating Handbook
Turbo Codec inc rates 1/ , 3/4, 7/8 & 0.789.
W *
Later model P300 only (previously letter `W` was spare = active).
X
Spare (active)
Y
Spare (inactive)
Z
Auto Uplink Power Control (requires Async ESC feature also to function)
See features `Q` and `R` above
See features `Q` and `R` above
Demod Rx carrier signal level monitor. 0-10V Analog output of carrier signal level, Eb/No, or Rx
*
offset frequency (in addition to normal AGC output). Constellation monitor port
*
1544kbps G.703 interface in addition to RS422 / V.35 / RS232 interface (software selectable).
*
2048kbps G.703 interface in addition to RS422 / V.35 / RS232 interface (software selectable).
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