Performance - NEC PASOLINK+ Manual

6-38 ghz 155 mb digital radio system
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MTD-PL-028/141005
6.

PERFORMANCE

6.1
Performance
Modulation
Forward Error Correction
CH Spacing
Data Interface
ATPC + MTPC Range
Additional Attenuation
Frequency
6/7/8
GHz
band
Range
5.9 – 8.5
10.7 – 11.7
(GHz)
TX Output Power (dBm)
STM-1
-
STM-1
25
(N.B)
STM-1
-
(NB), High
power ver.
(optional)
Receiver Threshold (dBm) at 10
STM-1
-
STM-1
-68
(N.B)
-3
at 10
BER
-6
System Gain (dB) at 10
BER (*1)
STM-1
-
STM-1
93
(N.B)
STM-1
-
(NB), High
power ver.
(optional)
-3
at 10
BER
Frequency
Stability
Tuning
Center-
Bandwidth
tuned
(Depend on T-R spacing)
N.B: Narrow band
*1. In case of using a NEC BR CKT for 1 + 1 Hot-standby configuration, additional loss of 7 dB (typical) will be
considered.
WS Signal OPTION: (32 QAM only)
Digital Service
Channel
Analog Service
Channel (VF)
House Keeping
Alarms
Network Management
STM-1/OC3
32 QAM
-
Reed
Solomon and Multi-level
Coding
55(56) MHz
-23 to 0 dB
(All other values are typical except indicated as guaranteed values).
11 GHz
13 GHz
12.75 – 13.25
6/7/8 GHz, 11/13/15 GHz : Guarantee Value : ±2 .0 dB
18 GHz
: Guarantee Value : +2.0, -1.0 dB
23/26 GHz
: Guarantee Value : ±2.0 dB
38 GHz
: Guarantee Value : ±3.0 dB
-
-
16.5
16.5
-
18
-6
BER
(Guarantee Value : +3dB)
-
-
-67
-67
(Guarantee Value : -3dB)
-
-
83.5
83.5
-
85
+/-6 ppm (+/- 0.0006%) (Typical), +/-10 ppm (+/- 0.001%) (Guarantee)
Up to 50 MHz
STM-1 (128 QAM)/(32 QAM)
See 4.2
See 4.2
See 4.2
Inputs 6 photo-coupler
Outputs: 4 Form-C dry contact relays
NMS Protocol: SNMP
Interface: 10 Base-T or V.11
Reed
Electrical/Optical
5 dB for span equalization (except 38 GHz)
15 GHz
18 GHz
14.25 – 15.35
17.7 – 19.7
-
18
16.5
15
18
19
-
-76
-67.5
-67.5
Above value -1 dB
-
94
84
82.5
85.5
86.5
Above value + 1 dB
Up to 370 MHz (Depend on T-R spacing)
- 21 -
+
PASOLINK
155 MB 1+0/1+1 SYSTEM
Narrow band STM-1/OC3
128 QAM
-
Solomon Coding
27.5 (28) MHz
-20 to 0 dB
23 GHz
26 GHz
21.2 – 23.6
24.25 – 27.0
18
17
15
14
19
18
-76
-75.5
-67.5
-67
94
92.5
82.5
81
86.5
85
38 GHz
37.0 – 40.0
13.5
10.5
14.5
-74
-66
87.5
76.5
80.5

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