48 Chapter 5 LEDs: support and diagnostic functions300867-GRecognizing single token ring speedFor a single token ring unit, LED 4 shows the ring speed for 30 seconds after theunit is turned on. Table 15 shows the single token ring speed for LED 4. For moreinformation about token ring units, refer to “Getting to know your Instant Internet400 unit” on page 31.Recognizing dual token ring speedFor a dual token ring unit, LED 4 shows the ring speed of the Tok1 token ring, andLED 5 shows the ring speed of the Tok2 token ring, each for 30 seconds after theunit 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 dualtoken ring speed for LED 5.Table 15 Single token ring speed (first 30 seconds)LED # Color Appearance Meaning4 Green Solid 4 Mb/s (token ring speed)4 Amber Solid 16 Mb/s (token ring speed)Table 16 Dual token ring (Tok1) speed (first 30 seconds)LED # Color Appearance Meaning4 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 Meaning5 Green Solid 4 Mb/s (Tok2 ring speed)5 Amber Solid 16 Mb/s (Tok2 ring speed)