Arris Touchstone WTM552 User Manual page 18

Getting
Safety Started
WTM552A/B
A B C
Battery
Installation Installation
D F G H I
E
Wireless Ethernet
Configuration Configuration
Front Panel WTM552A/B
The front of the Telephony Modem has the following indicators:
A Telephone 1/2: indicates the status of each telephone line
B DMZ: indicates the status of the DMZ connection (a computer outside the
firewall)
C WLAN: indicates the status of the wireless LAN
D LAN 1–4: indicates the status of each Ethernet port
E Link: indicates Ethernet or wireless connectivity between the Telephony
Modem and computers
F Online: indicates internet data transmission status
G US: indicates upstream connectivity
H DS: indicates downstream connectivity
I Power: indicates whether AC power is available to the unit
Touchstone® WTM552 Telephony Modem User's Guide
Usage Troubleshooting Glossary
18