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P300H P300 Series Modem Installation and Operating Handbook Page 11
2.3 FEATURE SUMMARY
Feature
* means h/w option
P300 Series Configuration
Description
VSAT IBS IDR TCM USER
Base Modem
BPSK/QPSK/OQPSK, 4.8kbps to 512 kbps modem
RS422 / V.35 / RS232 interface with 25 & 37 pin connectors
50MHz - 90MHz IF interface with 100Hz resolution
Viterbi FEC *
Viterbi FEC, rate ½, ¾, & in BPSK, QPSK and OQPSK
Sequential FEC * Sequential FEC, rate ½, ¾ &
in BPSK, QPSK, OQPSK
Turbo FEC (TPC) * Turbo FEC, various preset code rates (inc ½, ¾,
& 0.789)
INTELSAT
Reed-Solomon outer FEC, with n, k, t = 126, 112, 7
Reed-Solomon (switching to 225, 205, 10 or 219, 201, 9 with 4/8 deep
interleaving as required for IDR & TCM/IDR)
Wideband IF
Wideband 50MHz-180 MHz IF (instead of 50MHz - 90MHz)
High Data Rates
Data rates 512kbps - 5Mbps in addition to Base Modem rates
Async ESC
Variable rate ESC channel for Closed Net plus ESC operation
High rate IBS/SMS ESC (with IBS/SMS feature)
Async access to IDR 8k sync ESC channel (with IDR option)
IBS/SMS
IBS/SMS framing (to IESS 309)
Drop/Insert
Normal T1/E1 linear order Drop/Insert
IDR *
IDR operation (to IESS 308), P1348 Emulation &
32/64kbps Aux data in place of one/both IDR audio ESC
PRBS Tester
Internal Bit Error Rate Tester (BERT, overhead modes only)
8PSK/TCM
8PSK with rate Trellis Code Modulation (to IESS 310)
Extended D/I
Independent timeslot re-ordering on Tx & Rx
Signalling (CAS for E1 & RBS for T1)
Rx Partial Insert for multi-destinational working
Timeslot ID maintenance for N=1 to 31 with IBS/SMS or Closed
Net plus ESC operation
Custom Features
Arbitrary `n` & `k` for Reed-Solomon (with RS feature)
Custom & Min O/H modes (with IBS/SMS or IDR options)
Custom allocation of IBS o/h between ESC / Aux channels
Monitor/AGC * 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
AUPC Automatic Uplink Power Control
(requires Async ESC feature to operate)
1544kbps G.703 * 1544kbps G.703 interface in addition to RS422 / V.35 / RS232
interface (software selectable)
2048kbps G.703 * 2048kbps G.703 interface in addition to RS422 / V.35 / RS232
interface (software selectable)
Options marked with an asterisk will require boards or single IC’s to be added to the unit in order to add the
option at a later date. Features without an asterisk can be added by entering a “Feature Code” into the front
panel of the equipment.