Nortel Optical Multiservice Edge 6130, Руководство по планированию, Страница: 136 / 292

7-34 Technical specifications
Optical Multiservice Edge 6130 NT6Q92MA Rel 1.0 Iss 1 Standard September 2006
Pulse amplitude 2.4 V to 3.6 V
Power level In a band not wider than 3 kHz, the power level is less
than 19 dBm.
Cable distances Maximum 200 m (655 ft)
Line build-out (LBO)
ranges Using NT6Q72QA/TA or NT6Q73QA/TA cables:
0 to 133 ft (40.5 m), 133 ft (40.5 m) to 266 ft (81.1 m),
266 ft (81.1 m) to 399ft (121.6 m), 399 ft (121.6 m) to
533 ft (162.5 m), 533 ft (162.5 m) to 655 ft (200 m)
Table 7-32
DS3 electrical specifications
Parameter Value
Line rate 44736 kbit/s +/- 20 ppm
Line code B3ZS
Framing application ASYNC
Impedance 75 ohm ± 5%, unbalanced
Pulse amplitude 0.36 V to 0.85 V peak
Power level -4.7 dBm to +3.6 dBm
Cable distances Maximum 450 ft (137.1 m)
Line build-out (LBO)
ranges Using 735A cables (recommended) (NTTC03xx):
0 to 255 ft (77.7 m), 255 ft (77.7 m) to 450 ft (137.1 m)
Table 7-33
STM-1e electrical specifications
Parameter Value
Line rate 155520 kbit/s +/- 20 ppm
Line code CMI
Impedance 75 ohm
Peak output voltage 1.00 V ± 0.1 V
Minimum output return loss 15 dB (8 MHz to 240 MHz)
Cable loss to input 0 dB to 12.7 dB at 78 MHz
Minimum input return loss 15 dB (8 MHz to 240 MHz)
Table 7-31 (continued)
DS1 electrical specifications
Parameter Value