Datasheet

Data Sheet
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Product Specifications
Expansion Modules The Cisco High-Density Extension Module baseboard supports 0, 1 or 2 expansion modules
in any combination
DSP Resources PVDM2s provide central DSP resources for the Cisco High-Density Extension Module
baseboard and its expansion modules. PVDM2s are purchased separately and installed in
the DSP module slots located inside the Cisco 2821, Cisco 2851, Cisco 3825, and Cisco
3845 integrated services routers.
DID Signaling Modes Immediate, delay-dial, and wink start
DID Loop Resistance Up to 1800 ohms (including the terminal equipment)
Disconnect
Supervision
Power denial (calling-party control, far-end disconnect)
Caller ID On-hook transmission of frequency-shift-keying data
FXS Loop Resistance Up to 600 ohms (including the phone or terminal equipment)
On-Hook Voltage -44V
Ringing Tone The ringing tone is configurable for different country requirements
Ringing Voltage 40 Vrms at 5 REN at 25 Hz (configurable frequency)
Ringing Frequencies 25Hz and 50Hz
Address Signaling
Formats
In-band DTMF
Out-of-band pulse (10 pps)
FXS Signaling Formats Loop-start and ground-start
Table 6. Table 6. Cisco 8-Port FXS Voice and Fax Expansion Module Specifications
Product Specifications
Part number EM-HDA-8FXS
Software Compatibility
Cisco IOS Software Release 12.3(8)T4 or later when used with the Cisco High-Density
Extension Module baseboard
Memory Requirements
Minimum Flash and system memory requirements available in the Cisco IOS Software
release notes.
Interface Type
FXS
EMC Compliance
FCC Class A device, CE Class A
Safety Conformance
UL60950, EN60950, AS/NZS60950, IEC 60950
NEBS Compliance
NEBS Level 3: GR-63 and GR-1089, Type 2/4
Spare
EM-HDA-8FXS=
FXS Loop Resistance
Up to 600 Ohms (including the phone or terminal equipment)
On-Hook Voltage
-54V
Ringing Tone
The ringing tone is configurable for different country requirements
Ringing Voltage
40 Vrms at 5 REN at 25 Hz (configurable frequency)
Ringing Frequencies
25 Hz, 50 Hz
Address Signaling
Formats
●
In-band DTMF
●
Out-of-band pulse (10 pps)
Signaling Formats
Loop-start and ground-start
Physical Connector
None; ports are accessed through the RJ-21 connector on the Cisco High-Density Extension
Module baseboard.