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Sat IF Distribution System
Extension Components
for Analogue and Digital Reception
Cascadeable loop-through matrices (EXR 554, EXR 558) and Sat IF distribution amplifier (VWS 551) for distribution of
analogue and digital programmes from one satellite as well as terrestrial signals to several receivers.
Suitable for all types of LNBs.
System extension of end-line switching matrices (e.g. EXR 508/T) with more subscribers.
With the EXR 558 and VWS 551, cascades of up to 96 subscribers are possible.
Allows simple inclusion in various installation structures, e.g. star-wired systems for an entire building or star-wired
systems for one floor or several cascaded distribution lines in conjunction with the Kathrein Sat IF splitter EBX 520,
order no. 273292.
Easy installation onto a clamping rail. The EXR 554, 558 and VWS 551 can be mounted on a clamping rail with
ZAH 05 mounting set.
EXR 554: Loop-through matrix for system extension with another four subscribers.
Supplied with a 5-way connection element allowing easy connection with the following matrix.
EXR 558: Loop-through matrix for system extension with another eight subscribers. Supplied with a 5-way connection
element allowing easy connection with the following matrix.
VWS 551: Sat distribution amplifier for system extension with three additional EXR 554 or EXR 558.
Supplied with a 5-way connection element
The products comply with the valid requirements of the guideline 73/23/EEC (low voltage guideline) and
89/336/EEC (EMC guideline)
Technical data
Loop-through matrices
Type/Order no.
Inputs/outputs/subsc. connection points
Frequency range
Through loss
Tap loss
2
)
Max. output level
3
)
Admis. voltage supply on the
subscriber outputs
Current drain from receiver
per subscriber
Admis. remote feed current
per circuit
Sat distribution amplifier
Type/Order no.
Inputs/outputs
Frequency range
Gain EXR mode
4
)
Gain cable mode
4
)
Regulated range of gain
in "cable mode"
Max. output level
Max. operating level
Current drain EXR mode
Current drain cable mode
1
) Frequency dependent gain (pre-emphasis).
) Two carrier measuring method acc. to EN 50083-3, 3rd order interference products, 35 dB spacing.
3
) By attaching a terminating resistor EMK 03 to the connection point which is marked with "Level adjuster On," the level adjuster and the additional amplification are
4
activated. All 4 Sat planes are simultaneously adjusted.
6
) Distributing channels from one polarisation.
EXR 554/273353
5/5/4
MHz
47–862
dB
2.5
dB
17
dBµV
–
V
mA
mA
MHz
47–862
dB
11.5–13.5
dBµV
14–17.5
dB
dBµV
110
dBµV
105
mA
mA
2
) Frequency-dependent attenuation (pre-emphasis)
5
) Distributing 6 TV channels and FM signals.
7
) Three carrier measuring method according to EN 50083-5, 3rd order interference products, 60 dB XM.
950–2150
3.0
10
90
12–19
75
1000
VWS 551/230650
5/5
1
)
10
7
)
5
)
100
160
EXR 554,
273353
EXR 558,
273426
VWS 551,
EXR 558/273426
5/5/8
47–862
950–2150
4.0
3.5
19
10,5 -- > 6,5
–
100
19
950–2150
4.5–10
1
)
10–16
110
3
)
98
6
)
230650
2
)
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