3Com VCX V7111, User Manual, Page: 387 / 464

3Com
®
VCX V7111 VoIP Gateway User Guide
387
C
HAPTER
16: S
ELECTED
T
ECHNICAL
S
PECIFICATIONS
V7111 1x PORT Specifications
Table 101
V7111 1x PORT Functional Specifications
Channel Capacity
Available Ports
V7111 12 PORT 2 ports *
V7111 14 PORT 4 ports
V7111 18 PORT 8 ports
* The V7111 12 PORT differs from the V7111 14 PORT and V7111 18 PORT.
Its configuration excludes the RS-232 connector, the Lifeline option and outdoor
protection.
V7111 1x PORT/FXS Functionality
Short or Long Haul (Automatic Detection):
REN2: Up to 10 km (32,800 feet) using 24 AWG line.
REN5: Up to 3.5 km (11,400 feet) using 24 AWG line.
The lines were tested under the following conditions: ring voltage
greater than 30 Vrms, offhook loop current greater than 20 mA (all
lines ring simultaneously).
V7111 1x PORT includes lightning and high voltage protection for outdoor
operation.
Caller ID generation: Bellcore GR-30-CORE Type 1 using Bell 202 FSK
modulation, ETSI Type 1, NTT, Denmark, India, Brazil, British and DTMF ETSI
CID (ETS 300-659-1).
Programmable Line Characteristics: Battery feed, line current, hook thresholds,
AC impedance matching, hybrid balance, Tx & Rx frequency response, Tx & Rx
Gains.
For a specific coefficient file contact 3Com.
Programmable ringing signal. Up to three cadences and frequency 15 to 200
Hz.
Over-temperature protection for abnormal situations as shorted lines.
FXS Capabilities
Loop-backs for testing and maintenance.
V7111 1x PORT/FXO Functionality