
IP PBXs USER MANUAL
www.fs.com
7
PBX-C503 Back View
No.
Name
Specification
1
1-24 FXO/FXS Ports
For connecting PSTN/Analog phone/Fax machine.
2
Headser
For external paging.
3
Microphone
For external paging.
4
USB Port
For USB keyboard or USB storage.
5
HDMI Port
For video output.
6
LAN Port
10/100/1000 Mbps.
7
WAN Port
10/100/1000 Mbps.
8
Power Connector
100~240V AC power.
9
Power Switch
Switch the power on or off.
PBX-C302 and PBX-C503 LED Indication
Identification
Indication
Status
Specification
PWR
Power States
Green
Power On
Off
Power Off
SYS
System States
Wink
System is Running
Off
System Booting or Failed
WAN/LAN
WAN/LAN Interface
States
Wink
Data Transmitting
Off
No Data Transmitting
1-4 (SLOT1/2)
Slot1 and Slot2
States
FXS
Green
Channel Loading Succeed
Off
Channel Loading Failure
FXO
Red
Channel Loading Succeed
Off
Channel Loading Failure
GSM/WCDMA
Red
Channel Loading Succeed
Off
Channel Loading Failure
E1/T1
(PRI/R2)
L1
Red
Module Loading Succeed
Off
Module Loading Failure
L2/L3
Red/Off
CPE Signaling
Green/Off
NET Signaling
Off/Red
SS7 Signaling
Off/Green
R2 Signaling
L4
Green
Connected (No Alarm)
Red
Disconnected (Alarm)
BRI
Red
TE Mode
Green
NT Mode
Off
Module Loading Failure