ZyXEL Communications Multi-service Access Platform MSAP2000 - Manual (Page 151)

7. Product Specification
MSAP2000 Technical Manual V3.0 7-44
FXO Specification
Microprocessor Samsung S3F441FX
Flash ROM Flash (256KB)
Hardware
RAM SRAM (8kB)
Analog Voice Module Capacity 16 Ports Voice
Interface Coding
Impedance ITU-T G.771 A-Law or µ-Law
2-Wire 900 Ω (other Impedance
specifications are software
selectable)
DC Loop Current <20mA
Link Performance Complies with ITU-T G.712 and
CHT ME 2401-4 DTMF and DP
20Hz, up to 105 Vrms (17Hz,
25Hz, or 50Hz. Ring
frequency is software
selectable)
Dial DTMF and DP
Ring Detection 20Hz, up to 105 Vrms (17Hz,
25Hz, or 50Hz. Ring
Frequency is software
selectable)
Tip-Ring Reversal Polarity Guard functions
provided
Voice Signaling CAS or CCS
Anti-Lightening and Over-Voltage
Protection ITU-T K.20/K.21
IEC 61000-4-5 Class 2 or FCC
Part 68
Test Interface Two sets are provided for each
channel, for external and facility
testing
Input Power 5VDC/1.2A
Power
Consumption 1.25W@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
Height 213 ± 1mm
Width 18 ± 1mm
Depth 257 ± 1mm
Dimension
Weight 335 ± 2 g
EMI
CNS 13438 or CISPR 22
ESD
IEC 61000-4-2 Class 1