Product guide

2-4 P/N 480-0059-00-10
Chapter 2: Hardware Components
Back Panel
• Ground Screw. An earth ground screw is provided to connect to supplemental earth ground
using a Ground Safety Cable, if supplemental ground is needed.
• Phone/FXS port. Provides an RJ-11 jack for connection to a PBX, Keyphone or phone.
Figure 2-2 RJ-11 Phone/FXS Port Pin Order
Table 2-2 Input/Output RJ-11 Phone/FXS port
Pin # Used with Definition
Port 1
1 Port 1, pin 4 Tip
2 Port 1, pin 3 Ring
3 Port 1, pin 2 Tip
4 Port 1, pin 1 Ring
Ground
Phone/FXS port
Line/FXO port
LAN port
Console
port
Diag
Reset
Power Switch
Power
Receptacle
Screw
Port 1
Port 2
Pair 1
4 3 2 1
Pair 3
Pair 2
4 3 2 1
Pair 4