Cisco CETUS - CYGNUS DigiStar Headend Products (PAL) 数据表
CN-2086 1 GHz Combiner
2
Specifications
Specifications
Units
2877005, 2877008
2877006
2877009
Isolation In-In
5 – 750 MHz
751 – 1000 MHz
5 – 750 MHz
751 – 1000 MHz
dB
30
25
25
30
25
25
30
25
25
Input Return Loss
5 – 750 MHz
751 – 1000 MHz
5 – 750 MHz
751 – 1000 MHz
dB
20
18
18
20
18
18
20
18
18
Output Return Loss
5 – 750 MHz
751 – 1000 MHz
5 – 750 MHz
751 – 1000 MHz
dB
18
16
16
18
16
16
18
16
16
Insertion Loss In-Out
5 – 750 MHz
751 – 1000 MHz
5 – 750 MHz
751 – 1000 MHz
dB
16
16
16
8
8
8
12
12
12
Dimensions
mm
in.
480 x 340 x 44
18.9 x 13.4 x 1.7
Notes:
1. All the ports not connected to TV channel must be loaded with 75 Ω terminators, otherwise the overall specifications
1. All the ports not connected to TV channel must be loaded with 75 Ω terminators, otherwise the overall specifications
will be affected.
2. Adjacent TV channels should not be connected to adjacent ports of the combiner.