| Sagem Link A Broadband TELCO Backhaul PTP and PCS backhaul (n x T1/E1, DS3, OC3), with 10/100 Ethernet on some models. |
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SAGEM LINK A : STM1 Interface / 128 QAM |
SAGEM LINK A : Eth+8E1 Interface / 32 QAM |
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7GHz |
18GHz |
23GHz |
7GHz |
18GHz |
23GHz |
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Specifications: |
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| Operating Frequency Range, GHz |
7.1 - 8.5 GHz |
17.7 - 19.7 GHz |
21.2 - 23.6 GHz |
7.1 - 8.5 GHz |
17.7 - 19.7 GHz |
21.2 - 23.6 GHz |
| Frequency selection |
step 500 KHz |
step 500 KHz |
step 500 KHz |
step 500 KHz |
step 500 KHz |
step 500 KHz |
| Digital Capacity (rate), Mbps |
155 Mbits |
155 Mbits |
155 Mbits |
Ethernet + 8 E1 |
Ethernet + 8 E2 |
Ethernet + 8 E3 |
| Channel Spacing |
28 MHz |
28 MHz |
28 MHz |
28 MHz |
28 MHz |
28 MHz |
| Modulation Type |
128 QAM |
128 QAM |
128 QAM |
32 QAM |
33 QAM |
34 QAM |
| Transmit power, dBm |
24 dBm |
17 dBm |
17 dBm |
26 dBm |
20 dBm |
20 dBm |
| Additional losses at antenna-feedhorn system |
0,5dB |
0dB (integrated) |
0 dB (integrated) |
0,5dB |
0dB (integrated) |
0 dB (integrated) |
| System Gain (BER=10 -3 dB) |
92 dB |
86 dB |
85 dB |
100 dB |
95 dB |
94 dB |
| System Security |
yes |
yes |
yes |
yes |
yes |
yes |
| Space Diversity |
yes |
yes |
yes |
yes |
yes |
yes |
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| Receive Sensitivity (BER=10 -3 ) |
- 69 dBm |
- 69 dBm |
- 68 dBm |
- 75 dBm |
- 75 dBm |
- 74 dBm |
| (BER=10 -6 ) |
- 68 dBm |
- 68 dBm |
- 67 dBm |
- 74 dBm |
- 74 dBm |
- 73 dBm |
| (BER=10 -10 ) |
- 66 dBm |
- 66 dBm |
- 65 dBm |
- 72 dBm |
- 72 dBm |
- 71 dBm |
| Maximum Receive Level |
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| dBm, error free (10-6) |
-20 dBm |
-20 dBm |
-20 dBm |
-20 dBm |
-20 dBm |
-20 dBm |
| dBm no damage |
0 dBm |
1 dBm |
2 dBm |
0 dBm |
1 dBm |
2 dBm |
| Noise figure, dB |
3,5dB |
5dB |
5dB |
3,5dB |
5dB |
5dB |
| Error Correction |
Yes, RS |
Yes, RS |
Yes, RS |
Yes, RS |
Yes, RS |
Yes, RS |
| Frequency Stability, ppm |
10 ppm |
10 ppm |
10 ppm |
10 ppm |
10 ppm |
10 ppm |
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| Subcarriers Frequency Spacing |
28 MHz |
28 MHz |
28 MHz |
28 MHz |
28 MHz |
28 MHz |
| Center Frequency Resolution, MHz |
500kHz |
500kHz |
500kHz |
500kHz |
500kHz |
500kHz |
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| Intermediate Frequency, |
40,5MHz |
40,5MHz |
40,5MHz |
40,5MHz |
40,5MHz |
40,5MHz |
| Tx/Rx , MHz |
154 MHz |
1010MHz/ 1560MHz |
1008MHz/1200MHz, 1232MHz |
154 MHz |
1010MHz/ 1560MHz |
1008MHz/1200MHz, 1232MHz |
| Transmit power control |
Yes 30dB |
Yes 30dB |
Yes 30dB |
Yes 30dB |
Yes 30dB |
Yes 30dB |
| Digital Interfaces |
STM1 electric / optic |
STM1 electric / optic |
STM1 electric / optic |
8E1 and 10/100BaseT |
8E1 and 10/100BaseT |
8E1 and 10/100BaseT |
| Accuracy (Jitter) |
G823 |
G823 |
G823 |
G823 |
G823 |
G823 |
| Line Identification Code |
Yes 128 ID |
Yes 128 ID |
Yes 128 ID |
Yes 128 ID |
Yes 128 ID |
Yes 128 ID |
| Additional channels |
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| Qty additional (64kbs Channels) |
No 64Kbits channels.1E1/T1/10BaseT per STM1 channel |
No 64Kbits channels.1E1/T1/10BaseT per STM1 channel |
No 64Kbits channels.1E1/T1/10BaseT per STM1 channel |
No 64Kbits channels.1E1/T1/10BaseT per Eth channel |
No 64Kbits channels.1E1/T1/10BaseT per Eth channel |
No 64Kbits channels.1E1/T1/10BaseT per Eth channel |
| Ethernet interface |
YES |
YES |
YES |
YES |
YES |
YES |
| Wayside lines |
YES. Refer to 23 |
YES. Refer to 23 |
YES. Refer to 23 |
YES. Refer to 23 |
YES. Refer to 23 |
YES. Refer to 23 |
| Management interfaces |
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| Visual |
YES |
YES |
YES |
YES |
YES |
YES |
| Other |
Centralized |
Centralized |
Centralized |
Centralized |
Centralized |
Centralized |
| Fault (Alarm) Management |
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| LED Indicators, etc. |
Yes. Refer to DTC |
Yes. Refer to DTC |
Yes. Refer to DTC |
Yes. Refer to DTC |
Yes. Refer to DTC |
Yes. Refer to DTC |
| External alarm sensors |
Yes. 5 alarm input, 3 output remote control |
Yes. 5 alarm input, 3 output remote control |
Yes. 5 alarm input, 3 output remote control |
Yes. 5 alarm input, 3 output remote control |
Yes. 5 alarm input, 3 output remote control |
Yes. 5 alarm input, 3 output remote control |
| Qty of External Alarm ports |
Yes. 5 alarm input, 3 output remote control |
Yes. 5 alarm input, 3 output remote control |
Yes. 5 alarm input, 3 output remote control |
Yes. 5 alarm input, 3 output remote control |
Yes. 5 alarm input, 3 output remote control |
Yes. 5 alarm input, 3 output remote control |
| Power source |
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| DC ,V |
48VDc |
48VDc |
48VDc |
48VDc |
48VDc |
48VDc |
| AC, V |
No |
No |
No |
No |
No |
No |
| Polarity |
positive grounded |
positive grounded |
positive grounded |
positive grounded |
positive grounded |
positive grounded |
| Power consumption , W |
1+1 = 123W |
1+1 = 123W |
1+1 = 123W |
1+1 = 123W |
1+1 = 123W |
1+1 = 123W |
| Physical Characteristics |
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| Size, mm |
IDUmm : 43x432x240 ODU mm : 250 D x 230 |
IDUmm : 43x432x240 ODU mm : 250 D x 230 |
IDUmm : 43x432x240 ODU mm : 250 D x 230 |
IDUmm : 43x432x240 ODU mm : 250 D x 230 |
IDUmm : 43x432x240 ODU mm : 250 D x 230 |
IDUmm : 43x432x240 ODU mm : 250 D x 230 |
| Weight, kg |
IDU = 3Kg ODU=8Kg |
IDU = 3Kg ODU=8Kg |
IDU = 3Kg ODU=8Kg |
IDU = 3Kg ODU=8Kg |
IDU = 3Kg ODU=8Kg |
IDU = 3Kg ODU=8Kg |
| EMI Standard Compliance |
YES |
YES |
YES |
YES |
YES |
YES |
| ETSI Standard Compliance |
YES |
YES |
YES |
YES |
YES |
YES |
| Diameter, m |
From 60cm to 4,6m |
From 30cm to 1,8m |
From 30cm to 1,8m |
From 60cm to 4,6m |
From 30cm to 1,8m |
From 30cm to 1,8m |
| Gain, dB |
refer to Antenna doc. |
refer to Antenna doc. |
refer to Antenna doc. |
refer to Antenna doc. |
refer to Antenna doc. |
refer to Antenna doc. |
| Weight, kg |
refer to Antenna doc. |
refer to Antenna doc. |
refer to Antenna doc. |
refer to Antenna doc. |
refer to Antenna doc. |
refer to Antenna doc. |
| Warranty |
1 year |
1 year |
1 year |
1 year |
1 year |
1 year |
| MTBF, hours |
1+0 = 11 years |
1+0 = 11 years |
1+0 = 11 years |
1+0 = 11 years |
1+0 = 11 years |
1+0 = 11 years | |