Chapter 1 Overview
Front Panel
1-4
Cisco VG248 Analog Phone Gateway Hardware Installation Guide
78-13154-01
• Voice activity detection
• Supported codecs—G.711 and G.729a codecs; the same codec must be used
for both directions.
Table 1-1 describes the FXS connector pinouts for ports 1-24.
Table 1-1 FXS Ports 1-24 Connector Pinouts
Pin Number Function
1, 26 Port 1 transmit/receive
2, 27 Port 2 transmit/receive
3, 28 Port 3 transmit/receive
4,29 Port 4 transmit/receive
5, 30 Port 5 transmit/receive
6,31 Port 6 transmit/receive
7, 32 Port 7 transmit/receive
8, 33 Port 8 transmit/receive
9, 34 Port 9 transmit/receive
10, 35 Port 10 transmit/receive
11, 36 Port 11 transmit/receive
12, 37 Port 12 transmit/receive
13, 38 Port 13 transmit/receive
14, 39 Port 14 transmit/receive
15, 40 Port 15 transmit/receive
16, 41 Port 16 transmit/receive
17, 42 Port 17 transmit/receive
18, 43 Port 18 transmit/receive
19, 44 Port 19 transmit/receive
20, 45 Port 20 transmit/receive
21, 46 Port 21 transmit/receive
22, 47 Port 22 transmit/receive
23, 48 Port 23 transmit/receive
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