Operating instructions
WISI COMPACT
HEADEND
OK 79T
Digital terrestrial channel converter "Free-To-Air"
Reception of a DVB-T signal and processing into an
analog TV channel
Input- /output frequency
49-862 MHz / 45-862 MHz
Demultiplexing and decoding of MPEG-2 signals
Insertion of Teletext, VPS, WSS data EN 301775
Decoder socket
All settings with OK 41 / OK 41A handset
Input
Frequency range
49 - 862 MHz
Frequency tuning steps
500 kHz
Input impedance
75
Ω
Return loss
> 8 dB
Level
24 - 89 dBµV
QAM 64 7/8
40 dBµV
QPSK
24 dBµV
OFDM spectrum (autom.)
2k and 8k
Type of modulation
QPSK, 16, 64 QAM
Protection intervall
1/32, 1/16, 1/8, 1/4 (autom.)
FEC inner code
1/2, 2/3, 3/4, 5/6, 7/8 (autom.)
Channel bandwidth
6, 7, 8 MHz
Video decoder
ISO 13818-2
MPEG 2 (MP@ML)
Video format
4:3 / 16:9
Video standard (selectable)
PAL / SECAM / NTSC-M
Video level
1 Vp-p / 75
Ω
Audio decoder
ISO 13818-3
MPEG (L1 / L2)
Audio format
Mono / Stereo / 2nd sc
Audio format switch over
Manuell / Auto
(if provider supports)
Output
Frequency range
45 - 862 MHz
Frequency tuning steps
250 kHz
Level
88 - 98 dBµV
TV standard
B/G, D/K, I, L, M
S/N video (CCIR-rec.567-1)
typ.56 dB, min.53 dB
Distorsion
typ 1%, max. 2%
General specifications
RF inputs and outputs connectors
F-type / 75 ohms
Operating voltage
12 VDC / 480 mA
5 VDC / 600 mA
30 VDC / 5 mA
Power consumption
< 8,8 W
Dimensions
45 x 250 x 170 mm
Ambient temperature range
0°C up to +55°C
Storage temperature range
-25°C up to +75°C
Max. humidity non condens.
95 %
EMV
EN 50083-2
Specifications
WILHELM SIHN JR. GmbH & Co. KG
Empfangs- und Verteiltechnik
P.O. BOX 1220, 75219 Niefern-Oeschelbronn, Germany
Phone +49 7233 66 280, Fax - 66 350, http://www.wisi.de
Technische Änderungen vorbehalten
Technical modifications reserved
1 Audio L input
2 Audio L output
3 Audio R input
4 Video output
5 Audio R output
6 Ground
7 Video input
8 n.c.
Remove mains plug before attaching provided cable
(A)
flashes:
Operating
lights:
Programming mode via OK 41
Break out housing
(1)
. Screw on cover plate and F connector
cable
(A)
.
Tighten module
Mounting
(1)
(A)
F
IEC
F
IEC
(A)
Note:
Upgrade OK 40A to software version >2.20!
1
2
3
5
8
6
7
4
... a link to the future
