ZyXEL Communications Multi-service Access Platform MSAP2000 - Manual (Page 154)

7. Product Specification
MSAP2000 Technical Manual V3.0 7-47
FXS 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 Voltage -42VDC~-56VDC
DC Loop Current <20mA
Loop Resistance 1200 Ω (includes telephone
resistance)
Link Performance Complies with ITU-T G.712 and
CHT ME 2401-4
Dial Supports 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 -48VDC~-56VDC
-24V nominal (for short haul)
-48VDC + 75VrmsAC
5VDC/1.2A
Power
Consumption 14.97W@25°C (16 channels
fully loaded)
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 450 ± 2 g
EMI
CNS 13438 or CISPR 22
ESD
IEC 61000-4-2 Class 1