Installation guide

Remote Annex 2000 Hardware Installation Guide
Chapter 1 Introduction
1-6
Watchdog Timer
The Remote Annex 2000 has a watchdog timer that its software resets
at regular intervals. The watchdog timer reboots the Remote Annex
2000 in the unlikely event of an internal software error.
All Remote Annex 2000 support full modem control (five control
lines) on all ports.
Front Panel
The Remote Annex 2000 front panel consists of:
❑ Six system LEDs.
❑ A test LED.
❑ A test button.
❑ Eight status LEDs.
Figure 1-5 illustrates the Remote Annex 2000 front panel. Table 1-1
describes the LEDs on the front panel.
Figure 1-5. Remote Annex 2000 Front Panel
STATUS
POWER UNIT NET ATTN LOAD ACTIVE 12345678
TEST
Test 
Button
System LEDs Test LED
Status LEDs