Nortel Networks Passport ARN Routers - Manual (Page 78)

Installing and Operating Passport ARN Routers
3-6 114200-E Rev 00
Serial LEDs
Table 3-8 describes the expansion module serial interface LEDs.
Adapter Module LEDs
When the ARN/DC has an optional adapter module installed, its interface LEDs
are visible on the front panel. For the location of the two ARN/DC adapter module
slots, see Figure 1-4 on page 1-9.
Serial LED
Table 3-9 describes the serial adapter module LED.
Table 3-8. Expansion Module Serial LEDs
LED Meaning
RLSD3
(Received Line
Signal Detection 3) Lights when Received Line Signal Detection is active on
COM 3.
RLSD4
(Received Line
Signal Detection 4) Lights when Received Line Signal Detection is active on
COM 4.
RLSD5
(Received Line
Signal Detection 5) Lights when Received Line Signal Detection is active on
COM 5.
Note: The ARN base module boots to a fully operational state before bringing
up adapter module interfaces.
Table 3-9. Serial LED
LED Meaning
RLSD Lights when Received Line Signal Detection is active on the
serial interface.