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Cisco 836 Router and SOHO 96 Router Hardware Installation Guide
78-15281-02
Chapter 1 Product Overview
LED Functions
LED Functions
Table 1-2 summarizes the functions of the LEDs on the Cisco 836 router and the
Cisco SOHO 96 router.
1 Ethernet port 4 connects to
Ethernet network device
6 ISDN S/T port connects to
ISDN service provider
2 Ethernet port 3 connects to
Ethernet network device
7 ADSLoISDN port connects to
external wall jack
3 Ethernet port 2 connects to
Ethernet network device
8 Input jack connects to desktop
power supply
4 Ethernet port 1 connects to
Ethernet network device
9 Power on/off button
5 Console port connects to PC
or terminal
Table 1-2 Functions of LEDs on the Cisco 836 Router and the Cisco SOHO 96 Router
LED Color Function
PWR_OK Green On when DC power is being supplied to the router. The light blinks
if an error occurs during boot-up.
ADSL_CD Green On when the ADSL carrier detects status and connects to the
DSLAM successfully.
ADSL_RXD Green On when the ADSLoISDN port receives data. Off when no data is
being downloaded.
ADSL_TXD Green On when the ADSLoISDN port sends data. Off when no data is being
uploaded.
ISDN_1 Green On when ISDN D channel connects successfully.
ISDN_CH1 Orange On when ISDN B1 channel connects successfully. Blinks when the
B1 channel receives or sends data, or when data passes through
ISDN channel 1.