Design Technical Manual

Table Of Contents
4-3-4. INSTALLATION OF SIGNAL AMPLIFIER & TERMINAL
RESISTOR
PATTERN A (Parallel connection)
z
Step 1
Follow each step according to Wiring Rule.
1) Maximum transmission line length between units in 1 segment: Maximum 1312 ft. (400 m)
2) Total transmission line length in 1 segment: Maximum 1640 ft. (500 m)
3) Total transmission line length in 1 VRF network: Maximum 11811 ft. (3600 m)
4) The total number of element in 1 segment: Maximum 64
5) Total of Segment in 1 VRF network: Maximum 9 segments
(Before Signal amplier installation)
1
2 24
25
26
50
51
52 74
75
2
1
3 2
1
3
2
1
27 49
3 2
1
3
2
1
3 2
1
3
B A
MN
PO
RQ
C
F
I J LK
G HE
D
VRF Network
Segment
1) Maximum transmission line length
between units in 1 segment:
IJ=328 ft. (100 m) < 1312 ft. (400 m) →OK
2) Total transmission line length in 1
segment:
AB+BC+CD+DE+EF+FG+GH+EI+IJ+JK
+KL = 1968 ft. (600m) > 1640 ft. (500m)
Prohibited
BM=49 ft. (15m) < 1640 ft. (500m) →OK
CN=49 ft. (15m) < 1640 ft. (500m) →OK
FO=49 ft. (15m) < 1640 ft. (500m) →OK
GP=49 ft. (15m) < 1640 ft. (500m) →OK
JQ=49 ft. (15m) < 1640 ft. (500m) →OK
KR=49 ft. (15m) < 1640 ft. (500m) →OK
3) Total transmission line length in 1 VRF
network: 5249 ft. (1600 m) < 11811 ft.
(3600 m) →OK
4) The total number of element in 1
segment: 75 > 64 Prohibited
5) Total of Segment in 1 VRF network:
3 segments < 9 segments →OK
Transmission line
RB unit
(After Signal amplier installation )
1) Maximum transmission line length
between units in 1 segment:
328 ft. (100 m) < 1312 ft. (400 m) →OK
2) Total transmission line length in 1
segment:
AB+BC+CD+DE+EF+FG+GH+ES
=1312 ft. (400m) (Seg 1)< 1640 ft.
(500m) OK
TI+IJ+JK+KL
=656 ft. (200m) (Seg 2)< 1640 ft.
(500m) OK
BM=49 ft. (15m) < 1640 ft. (500m) →OK
CN=49 ft. (15m) < 1640 ft. (500m) →OK
FO=49 ft. (15m) < 1640 ft. (500m) →OK
GP=49 ft. (15m) < 1640 ft. (500m) →OK
JQ=49 ft. (15m) < 1640 ft. (500m) →OK
KR=49 ft. (15m) < 1640 ft. (500m) →OK
3) Total transmission line length in 1 VRF
network: 5249 ft. (1600 m) < 11811 ft.
(3600 m) →OK
4) The total number of element in 1
segment:
Segment 1: 51 < 64 OK
Segment 2: 26 < 64 OK
5) Total of Segment in 1 VRF network:
4 segments < 9 segments →OK
1
2
3 25
26
1
2 24
25
26
50
51
1
2
3 25
26
2
1
3 2
1
3
2
1
27 49
3 2
1
3
2
1
3 2
1
3
B A
MN
PO
RQ
C
F
I J LK
G HE
S
T
D
VRF Network
Segment
Signal
Amplier
Segment 1
Segment 2
- (06 - 111) -
SYSTEM
DESIGN
SYSTEM
DESIGN