ZyXEL Communications Multi-service Access Platform MSAP2000 User Manual
Page 142

7. Product Specification
MSAP2000 Technical Manual V3.0
7-35
SM4 Specification
Microprocessor Winbond
W90N70
Flash
Flash EPROM (1MB)
Hardware
RAM SDRAM
(2MB)
Synchronizati
on
Clock Output
8 kHz
Clock Input
Optical Receiver
Optical
Interface
Standard
Bit Rate
Line Code
622.08 Mbps 20 ppm
Binary Non-return-to-zero (NRZ) after
scrambling
Frame
ITU-T G.707 with VC4
Connector LC
Transmission Standard
ITU-T G.957
Optical
Transmitter
(Complies
with ITU-T
G.957)
Wavelength
Max. RMS Width
1293-1334/1227-1356(S-4.1);
1430-1580(S-4.2)
1300-1325/1296-1330
(L-4.1) ;1280-1335(L-4.2)
1480-1580 (L-4.3)
1.7nm(L-4.1) ~ 4nm(S-4.1)
Optical Source
SLM/MLM (FP or DFB lasers)
Max.-20 dB Width
1nm (only SLM specified)
Output power
-8~-15dBm(S-4.1, S-4.2)/
+2~-3dBm(L-4.1~L-4.3)
Min. extinction ratio
8.2dB(S-4.1, S-4.2)/10dB(L-4.1~L-4.3)
Optical
Receiver
(Complies
with ITU-T
G.957
Wavelength
Min reception power at BER
≤
10
-10
1293-1334nm/1227-1356nm(S-4.1);
1430-1580nm(S-4.2);
1300-1325nm/1296-1330nm(L-4.1);
1280-1335(L-4.2);
1480-1580 (L-4.3);
- 28dBm
Min. Overload
-8dBm
Max. Optical Path penalty
1dB
Power Input
5VDC/2.5A
Power
Consumption
11.7W@25°C
Environment
Operation Temperature and
0°C to +60°C
Humidity
Up to 95% relative humidity
Storage Temperature and
-10°C to +80°C
Humidity
Up to 95% relative humidity
EMI
CNS 13438 or CISPR 22
ESD
IEC 61000-4-2 Class 1