Datasheet
Data Sheet
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Table 9 gives specifications of the 3-port FXS and 4-port FXO expansion module.
Table 9. Cisco 3-Port FXS and 4-Port FXO Voice and Fax Expansion Module Specifications
Product Specifications
Part number EM-HDA-3FXS/4FXO
Software Compatibility Cisco IOS Software Release 12.3(11)T or later
Memory Requirements Minimum Flash and system memory requirements are available in cisco IOS Software release
notes
Interface Type FXS and FXO
EMC Compliance FCC Class A device, CE Class A
Safety Conformance UL 60950, EN 60950, AS/NZS60950, IEC 60950
NEBS Compliance
●
NEBS Level 3: GR-63 and GR-1089, Type 2/4
●
Formal NEBS certification testing in progress; compliance results will be published upon
completion
Spare EM-HDA-3FXS/4FXO=
Address Signaling
Formats
●
In-band DTMF
●
Out-of-band Pulse (10 pps)
Signaling Formats Loop start and ground start
FXS Loop Resistance Up to 600 Ohms (including the phone or terminal equipment)
FXS On-Hook Voltage -44V
FXS Ringing Tone The ringing tone is configurable for different country requirements
FXS Ringing Voltage 40 Vrms at 5 REN at 25 Hz (configurable frequency)
FXS Ringing
Frequencies
25 Hz, 50 Hz
Tone Disconnect
Supervision
Call disconnect on progress tone of less than 600 Hz
Battery Polarity
Reversal Detection
Detection of disconnect supervision and far-end answer supervision via battery polarity reversal
Power Interrupt
Disconnect
Call disconnect on power interrupt of >600 ms
Table 10. DSP Specifications-PVDM2-8, 16, 32, 48, and 64 DSP Modules for Cisco High-Density Extension
Module
Software compatibility Cisco IOS Software Release 12.3(8)T4 or later
EMC Compliance FCC Class A device, CE Class A
Spare
●
PVDM2-8=
●
PVDM2-16=
●
PVDM2-32=
●
PVDM2-48=
●
PVDM2-64=
Number of DSPs
●
PVDM2-8 (1 DSP with less density)
●
PVDM2-16 (1 DSP)
●
PVDM2-32 (2 DSPs)
●
PVDM2-48 (3 DSPs)
●
PVDM2-64 (4 DSPs)
Number of High-
Complexity Calls
6 per DSP
Number of Medium-
Complexity Calls
8 per DSP
Number of Flex-
Complexity Calls
16 per DSP
Physical Connector PVDM2s are purchased separately and installed in the DSP module slots located inside the
Cisco 2821, Cisco 2851, Cisco 3825, and Cisco 3845 routers