Chapter 1
Overview
Front Panel
Figure 1-2
VG248 Front Panel
1
1
FXS telco connectors, ports 1-24 and 25-48
2
Port status indicators, ports 1-24 and 25-48
3
Async 1 and 2 ports, unused
4
Console port
FXS Telco Connectors
78-13154-01
Figure 1-2
provides an overview of the interfaces and LED displays on the front
panel of the VG248.
2
1
The FXS interface consists of two telco (RJ-21) connectors featuring these
characteristics:
On-premise connections only—analog phones must be physically located in
•
the same building as the VG248.
Maximum supported line length—5000 feet or 415 Ohms
•
•
Loop start support
Support for disconnect supervision
•
DTMF dialing
•
•
Maximum ringer equivalency number (REN) load—3 per line, and only two
phones per line can be off-hook at any one time
Cisco VG248 Analog Phone Gateway Hardware Installation Guide
2
3
4
5
System status indicators
6
Ethernet port
7
Ethernet status indicators
Front Panel
6
5
7
.
1-3