Datasheet

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Page 12 of 15
Feature Description
Ringing Tone
Configurable for different country requirements
Ringing Voltage
>40 Vrms at 5 REN at 25 Hz (configurable frequency); 5 REN maximum per port, 8 REN total per VIC-4FXS/DID
Ringing Frequencies
20 Hz, 50 Hz
Loop Length
<1500 ft (450 m.) 24 AWG Category 5 twisted pair cable
Physical Connector
RJ-11
Number of Connectors/Ports
Four
MTBF
2,131,306 hours
VWIC Specifications
Table 12 shows the Cisco VWIC specifications.
Table 12. VWIC Specifications
Cisco Product Number Description
VWIC-1MFT-T1
1-port RJ-48 Multiflex trunk—T1
VWIC-2MFT-T1
2-port RJ-48 Multiflex trunk—T1
VWIC-2MFT-T1-DI
2-port RJ-48 Multiflex trunk—T1 with drop and insert
VWIC-1MFT-E1
1-port RJ-48 Multiflex trunk-E1
VWIC-2MFT-E1
2-port RJ-48 Multiflex trunk—E1
VWIC-2MFT-E1-DI
2-port RJ-48 Multiflex trunk—E1 with drop and insert
VWIC2-1MFT-T1/E1
1-port RJ-48 Multiflex trunk-T1/E
VWIC2-2MFT-T1/E1
2-port RJ-48 Multiflex trunk-T1/E1
CAB-E1-RJ45BNC
E1 cable RJ-45 to dual BNC (unbalanced)
CAB-E1-RJ45TWIN
E1 cable RJ-45 to Twinax (balanced)
Table 13. T1 Network Interface
Feature Description
Transmit Bit Rate
1.544 Mbps ± 50 bps/32 PPM
Receive Bit Rate
1.544 Mbps ± 50 bps/32 PPM
Line Code
AMI, B8ZS
AMI Ones Density
Enforced for N x 56 Kbps channels
Framing Format
D4 (SF) and ESF
Output Level (LBO)
0, -7.5, or -15 dB
Input Level
+1dB0 down to -24 dB0
Data Terminal Equipment (DTE) Interface (WIC mode)
Fractional service
DTE Interface (VIC mode)
G.704/structured
Data Circuit-Terminating Equipment (DCE) Interface
G.704/structured