OPU-1
UNIVERSAL POWER-LINE CARRIER SYSTEM TYPE OPU-1
GENERAL DESCRIPTION - Rev 7 (May 2019)
55/67
TMPU data port (DCE mode)
Interface
➢
Port 3/9/15 (DB15 female):
❖
V.24/V.28 of the ITU-T (EIA RS-232C)
Implementation
of
enhanced
V.14
in
asynchronous mode (allows communication
between equipment at speeds of up to 10%
difference)
TMPU speech ports
Full-duplex transmission and reception at
2100 bit/s, 2450 bit/s or 2800 bit/s (RALCWI
coding algorithm).
Connection
2-wire and 4-wire telephone termination.
FXO (exchange side) or FXS (subscriber side)
mode for the 2-wire configuration
Signalling
E&M (in-band or out-of-band).
DTMF (in-band).
Factory pre-set tones (in-band)
Voice quality
Mean Opinion Score (MOS) about 3.5-3.6
Others
Up to three analog transits.
Possibility of incorporating modem protocols
for V.21 (300 bit/s FSK), Bell 103 (300 bit/s
FSK), V.23 (1200/75 bit/s FSK) and Bell 202
(1200/75 bit/s FSK) standards
5.7
OTHER CHARACTERISTICS
Analog built-in optional modules
➢
Speech module.
➢
Asynchronous programmable modem.
➢
2 or 4-command teleprotection system
using single tone in a 4 kHz bandwidth.
➢
2 or 4-command teleprotection system
using FSK channels in a 4 kHz bandwidth.
