OPU-1
UNIVERSAL POWER-LINE CARRIER SYSTEM TYPE OPU-1
GENERAL DESCRIPTION - Rev 7 (May 2019)
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Asynchronous data format
1 Start bit.
6 to 8 data bits.
1 or 2 Stop bits
Data speed
➢
Synchronous, of 600, 1200, 2400, 3600,
4800, 6400, 7200, 8000, 9600, 14400,
16000,
19200,
28800,
32000
and
38400 bit/s. (Up to 19200 bit/s at the
27 kbit/s gross bit rate).
➢
Asynchronous, of 50, 100, 200, 600, 1200,
2400, 3600, 4800, 6400, 7200, 8000,
9600, 14400, 19200 and 28800 bit/s. (Up
to 19200 bit/s at the 27 kbit/s gross bit
rate).
➢
Anisochronous, of 60, 120, 240, 360, 480,
640, 720, 800, 960 and 1440 bit/s
DMPU data ports (DCE mode)
Interface
➢
Port 3/9/15 (DB15 female) & Port 4/10/16
(DB15 female):
❖
V.24/V.28 of the ITU-T (EIA RS-232C)
❖
X.21 of the ITU-T
❖
RS-422 of the ITU-T
❖
RS-485 (HD/FD)
➢
Port 5/11/17 (DB9 female), 6/12/18 (DB9
female),
7/13/19
(DB9
female)
and
8/14/20 (DB9 female):
❖
V.24 asynchronous
❖
RS-422 of the ITU-T
❖
RS-485 (HD/FD)
Implementation
of
enhanced
V.14
in
asynchronous mode (allows communication
between equipment at speeds of up to 10%
difference)