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
