Nortel Networks Instant Internet 400 Unit manual Recognizing single token ring speed

48 Chapter 5 LEDs: support and diagnostic functions

Recognizing single token ring speed

For a single token ring unit, LED 4 shows the ring speed for 30 seconds after the unit is turned on. Table 15 shows the single token ring speed for LED 4. For more information about token ring units, refer to “Getting to know your Instant Internet 400 unit” on page 31.

Table 15 Single token ring speed (first 30 seconds)

LED #	Color	Appearance	Meaning
4	Green	Solid	4 Mb/s (token ring speed)
4	Amber	Solid	16 Mb/s (token ring speed)

Recognizing dual token ring speed

For a dual token ring unit, LED 4 shows the ring speed of the Tok1 token ring, and LED 5 shows the ring speed of the Tok2 token ring, each for 30 seconds after the unit is turned on. For more information about dual token ring units, refer to “Getting to know your Instant Internet 400 unit” on page 31.

Table 16 shows the dual token ring speed for LED 4, and Table 17 shows the dual token ring speed for LED 5.

Table 16 Dual token ring (Tok1) speed (first 30 seconds)

LED #	Color	Appearance	Meaning
4	Green	Solid	4 Mb/s (Tok1 ring speed)
4	Amber	Solid	16 Mb/s (Tok1 ring speed)

Table 17 Dual token ring (Tok2) speed (first 30 seconds)

LED #	Color	Appearance	Meaning
5	Green	Solid	4 Mb/s (Tok2 ring speed)
5	Amber	Solid	16 Mb/s (Tok2 ring speed)

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