Page 284 of 488 Verifying the network
553-3041-210 Standard 4.00 September 2007
Figure 94
SSC 100BaseT daughterboard (dual port) LEDs
a. If the Link LED is green, the Link is established.
b. If the Link LED is not lit, check the daughterboard installation. Check
all cable connections to ensure that they are connected correctly.
Make sure that the cables are not damaged.
The receive and transmit LEDs should be flashing (evidence of network
activity).
2 Observe Port LEDs on the Media Gateway SSC faceplates (see
Figure 95 on page 285). These LEDs show OSI Layer 7 Call Processing
application indications.
a. If the Port LEDs are red, the link is disabled and voice is disabled.
b. If the Port LEDs are yellow/amber, the link is established and voice
is disabled.
c. If the Port LEDs are green, the link and voice is established.
RX - Red
TX - Yellow
Link - Green
For the NTDK83, these link LEDs indicate the status of port 1
when installed in the upper position of the NTDK20 SSC,
or port 2 when installed in the lower position of the NTDK20 SSC.
These link LEDs indicate the status of port 3 when installed in the
upper position of the NTDK20 SSC, or port 4 when installed in the
lower position of the NTDK20 SSC.
553-AAA0003
