Terra SRM524, Manual

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Draugystes str. 22, LT-51256 Kaunas, Lithuania, tel.: +370 37 - 31 34 44, fax: +370 37 - 31 35 55
E-mail: sales@terraelectronics.com , http://www.terraelectronics.com
Technical characteristics
* see label on multiswitch rear side and package
** without external DC feeding
Type SRM524 SRM544 SRM524T SRM544T
Frequency range SAT IF wideband LNB
300-2350 MHz
input LO=10400 MHz*
wideband LNB
290-2340 MHz
LO=10410 MHz*
Quattro LNB
LOlow=9750 MHz / 950-2150 MHz
LOhigh=10600 MHz
SAT IF output 950-2150 MHz
DTT 47-862 MHz 5-862 MHz
Number of trunk inputs SAT IF 4
& outputs DTT 1
Number of tap outputs 2 (1 pair) 4 (2 pairs) 2 (1 pair) 4 (2 pairs)
Trunk output loss SAT IF < 4 dB
DTT < 4 dB
Return loss / impedance > 10 dB / 75
Ω
Input level per channel SAT IF 65-105 dBµV
DTT 55-85 dBµV (8 DTT channels) -
Terr.TV noise figure < 8 dB -
Tap output user bands (dSCR mode) 32 max. per pair outputs, configurable
with combined DTT user band bandwidth 20-60 MHz, adjustable
(dSCR mode)
dSCR mode output level,
84 dBµV adjustable
AGC controlled
legacy mode output level
78 dBµV
AGC controlled, typical
DTT output level, 82 dBµV max. (8 DTT channels),
-
AGC controlled adjustable
DTT loss - 18 dB
Decoupling SAT IF inputs/SAT IF inputs > 30 dB
SAT IF inputs/tap outputs > 30 dB
SAT IF/ Terr. TV > 25 dB
DC pass through SAT IF 3.2 A max., 1.6 A max. through one line
trunk lines DTT 200 mA max.
Current from DC IN(H) input (Uin=20 V)** 290 mA max. 500 mA max. 250 mA max. 470 mA max.
consumption from H / V 20 V on the line 270 mA max. 480 mA max. 270 mA max. 450 mA max.
trunk lines 18 V on the line 310 mA max. 540 mA max. 330 mA max. 510 mA max.
15 V on the line 390 mA max. 670 mA max. 410 mA max. 640 mA max.
from STB 18 V 20 mA max.
Current pass from DC IN input to H trunk lines
1.6 A max. 1.5 A max. 1.6 A max. 1.53 A max.
(Uin=20 V), switchable
Operating temperature range -20
o
÷ + 50
o
C
Dimensions/Weight (packed) 226.6x133.6x30 mm/0.80 kg