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Section 2 Engineering Guidelines Total Access 544R System Manual

1. POWER REQUIREMENTS

The Total Access 544R operates with 240 VAC, 50 Hz and a maximum current drain of 300 mA. The Total

Access 544R maximum power consumption shall not exceed 10 Watts.

2. REVIEWING THE FRONT PANEL DESIGN

Figure 1. shows the front panel of the Total Access 544R which contains the LAN, WAN, and power

LEDs. These LEDs and their functions are described in Table 1.

Figure 1. Total Access 544R Front Panel Layout

Front Panel LEDs

The front panel provides five status LEDs to monitor operation and activity. The following table provides

LED activity explanations.

Table 1. Total Access 544R Front Panel LEDs

For these LEDs... This color light... Indicates that...

LAN TX/RX Off there is no data traffic on the LAN.

Green (blinking) there is data traffic on the LAN.

LAN LINK

Off

the physical link is down; there is no Ethernet

connection.

Green (solid) there is link integrity on the LAN (physical link is up).

WAN STAT Red (solid) the SHDSL is shut down.

Green (solid) the SHDSL is up.

WAN ERR Red (flashing) the SHDSL is down.

Yellow (solid) errors are present on the WAN link.

Red (solid) severe errors are present on the WAN link.

Off the WAN link is up and error-free.

PWR Green (solid) power is supplied to the unit.

Off power is not supplied to the unit.

LAN WAN

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ADTRAN TA 544 Bedienerhandbuch Seite 20