Power ON indication LED (see Figure 1, pos. 22) glows green at any of the 4 powering modes.
Then switch on receiver(s). The multiswitch will begin the process of auto-detecting which type(s) of receiver connected.
All subscriber outputs are configured to connect legacy STB (su13V / +18V/22 kHz signals), but it switches to
dynamic mode SCR/dSCR if receives a DiSEqC command according EN50494/EN50607. Disconnect RF cables or STB‘s
from necessary outputs to reset to legacy mode.
Terr. TV path has two modes (see “Technical characteristics”):
1. Bypass mode - switch (see Figure 1, pos. 14) position OFF. DOCSIS signals can pass through.
2. Active mode - switch (see Figure 1, pos. 14) position ON.
PIN code
All User Bands (UB) are protected by PIN Code to prevent the set of UB from being used/disturbed by another user (see Table 2).
Default settings
1. SAT IF inputs are configured to use Ku-band Quattro LNB (SAT A, LNB Lo=9750/10600 MHz).
2. All outputs are configured to connect
Legacy
STB (+13 V/+18 V/22 kHz), but it switches to
Dynamic mode
SCR/dSCR
if receives a DiSEqC command according EN50494/EN50607 (
Active mode
). Output User Bands (UB) are the same in all
subscriber outputs (see Table 2).
3. PIN Codes (see Table 2 and see chapter "
Configuration
").
4. Only one UB plan is set depended of delivery region, if you need another plan (see chapter "
Configuration
" or contact
TERRA UAB).
5. Terr. TV bypass mode switch (see Figure 1, pos. 19) in position “
OFF
” (see “
Technical characteristics
”).
6. DC power to H trunk lines switch (see Figure 1, pos. 21) in position “
OFF
”.
Table 2
Configuration
The default setting of the device can be changed using dedicated programmer and software.
This multiswitch can be configured up to 32 User Bands (UB) per pair outputs (total 128 UB) for use with STB’s supporting
DiSEqC commands according to standards EN50494/EN50607 (SCR/dSCR) as well as Legacy (+13 V/+18 V/22 kHz)
commands. Default settings
Dynamic mode
can be changed to
Static mode
.
PC Windows software can be free downloaded from www.terraelectronics.com.
Output configuration must be the same per pair of outputs, but can be different in others pairs. Each pair of outputs is
configured separately. Pay attention to the numbering of outputs.
Some possible outputs pair configurations shown in Table 3:
1
– V, Lo trunk input
2
– H, Lo trunk input
3
– V, Hi trunk input
4
– H, Hi trunk input
5
– Terrestrial TV trunk input
6
– V, Lo trunk output
7
– H, Lo trunk output
8
– V, Hi trunk output
9
– H, Hi trunk output
10
– Terrestrial TV trunk output
11
– Legacy/dSCR output2 pair D (Legacy/UB+Terr.TV)
12
– Legacy/dSCR output1 pair D (Legacy/UB+Terr.TV)
Figure 1. External view of the multiswitch
External view
Marking: v.0
Marking: v.1
Marking: v.2
User
Band
(UB)
PIN
Code
Bandwidth,
MHz
Central frequency,
MHz
Bandwidth,
MHz
Central frequency,
MHz
Bandwidth,
MHz
Central frequency,
MHz
EN50494 EN50607
EN50494 EN50607
EN50494 EN50607
UB0
46
1210
1210
UB1
1
40
1210
1210
40
1210
no
46
1420
1420
UB2
2
40
1420
1420
40
1420
no
46
1680
1680
UB3
3
40
1680
1680
40
1680
no
46
2040
2040
UB4
4
40
2040
2040
40
2040
no
46
1006
1006
UB5
5
40
1284
1284
40
no
985
46
1057
1057
UB6
6
40
1516
1516
40
no
1050
46
1108
1108
UB7
7
40
1632
1632
40
no
1115
46
1159
1159
UB8
8
40
1748
1748
40
no
1275
46
no
1261
UB9
9
40
no
970
40
no
1340
46
no
1312
UB10
10
40
no
1010
40
no
1485
46
no
1363
UB11
11
40
no
1050
40
no
1550
46
no
1471
UB12
12
40
no
1090
40
no
1615
46
no
1522
UB13
13
40
no
1130
40
no
1745
46
no
1573
UB14
14
40
no
1170
40
no
1810
46
no
1624
UB15
15
40
no
1330
40
no
1875
46
no
1731
UB16
16
40
no
1370
40
no
1940
13
– Legacy/dSCR output2 pair C (Legacy/UB+Terr.TV)
14
– Legacy/dSCR output1 pair C (Legacy/UB+Terr.TV)
15
– Legacy/dSCR output1 pair A (Legacy/UB+Terr.TV)
16
– Legacy/dSCR output2 pair A (Legacy/UB+Terr.TV)
17
– Legacy/dSCR output1 pair B (Legacy/UB+Terr.TV)
18
– Legacy/dSCR output2 pair B (Legacy/UB+Terr.TV)
19
– Terrestrial TV mode switch
20
– DC 20V power input
21
– DC power to H trunk lines switch
22
– Power ON indication LED
23
– Ground clamp
All sockets are “F” type.
H,Lo
H,Lo
H,Hi
H,Hi
V,Lo
DC IN 20V 2A
V,Hi
V,Hi
Terr.TV
Terr.TV
Frequency SAT TV
range Terr. TV
Trunk gain SAT TV
Terr. TV
Current consumption 20V 1.2 Amax
950-2150 MHz
47-862 MHz
-4 dB
10 / -6 dB
dSCR multiswitch SRM580
V,Lo
Terr.TV Amp.
On
Off
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
20
11
12
13
14
15
16
17
18
19
22
1
2
1
2
Pair D
Pair C
2
1
2
1
Pair A
Pair B
On
Off
23
21
DC to H lines
Legacy / dSCR
+Terr.TV
DC IN
Legacy / dSCR
+Terr.TV
DC IN
Power ON
Installation instructions
Read the safety instruction first.
Fit multiswich on mounting place and connect it (pay attention to the multiswitch inputs and Quattro LNB outputs marking, connect
the isolated 75Ω loads to the unused RF output F sockets), power on multiswich using one of 4 powering modes (see Table 1).
Table 1
Powering mode
”DC power
to H trunk lines
switch” position
(see Figure 1, pos.21)
Warnings and notes
1. Multiswich powered from local PSU (20V) via
DC input
(see Figure 1, pos. 20) . (Recommended for use is
PS202F 20 V PSU).
H trunk lines are DC isolated from it.
OFF
Recommended as first choice.
WARNING: BEFORE CONNECTION
ALWAYS CHECK DC POWER TO H TRUNK
LINES SWITCH
(see Figure 1, pos.21).
IT
MUST BE IN POSITION "OFF"!
Note
: All trunk lines preserve DC bypassing.
2.Multiswich is powered from local PSU (20 V)
via DC input and with DC passing to H trunk
lines.
In this mode H trunk lines can power in cascade
other multi-swiches (without PSU, with “DC to H
trunk lines” switch ON)
ON
WARNING
: Don’t overload PSU via H trunk
lines – check total system power consumption
of multiswich and from H trunk lines (including
all other equipment connected).
Check all other system equipment connected
to H lines if it
can accept 20 V. SERIOUS
DAMAGE OF IT CAN OCCUR!
3. Multiswich is powered from H trunk
lines:
- build new SCR/dSCR system (18 V - 20 V)
- upgrading old legacy systems (15 V - 18 V)
ON
WARNING
: Don’t exceed the current capability of system
power supply.
SERIOUS DAMAGE CAN OCCUR IF OVERLOADED!
4. Multiswich is powered from Legacy/
dSCR (subscriber) outputs
(see Figure 1, pos. 11-18).
Each dSCR output circuit is individualy
powered directly from STB’s or from dSCR
power inserter (with 22 kHz bypass).
OFF
WARNING: MULTISWITCH WILL DRAW CURRENT AND
POWER FROM PAIR OUTPUT WITH HIGEST
VOLTAGE!
If STB’s connected to Legacy/dSCR outputs
can’t supply sufficient power for it’s own output – dSCR
power inserter with 20 V PSU should be used (one per
output of pair A, B, C or D).
Note
: Terr. TV amplifier can be powered from H trunk lines
(15-20 V) to minimize current consumption from STB and
keep Terr. TV operation when all STB‘s are OFF.