ZyXEL Communications Multi-service Access Platform MSAP2000 User 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