Specifications

2-77
Cisco IGX 8400 Series Provisioning Guide, Release 9.3.3 and Later Releases
OL-1166-04
Chapter 2 Cisco IGX 8400 Series Cards
High-Speed Data Module
Figure 2-36 HDM Controls and Indicators
Table 2-46 HDM Front Card Faceplate LEDs
LED Color Function
Port 1-4 (4 LEDs) Yellow Indicates which data port on the SDI back card is currently
being monitored. For example, if port 1 is lit, then data
port 1 on the back card is being monitored.
Port under test Yellow One or more of the ports is currently in a loopback state.
LL Yellow A local loopback is present.
RL Yellow A remote loopback is present.
DTR Green The data terminal ready signal (DTR) is on at the selected
port.
TXD Green The transmit data signal (TXD) is on at the selected port.
DCD Green The data carrier detect signal is on at the selected port.
RXD Green The receive data signal is on at the selected port.
SCROLL
LOOP
PORT
UNDER
TEST
LL
RL
DTR
TXD
DCD
RXD
FAIL
ACTIVE
HDM
Scroll
Loop
Port under test (yellow)
LL (yellow)
RL (yellow)
DTR (green)
TXD (green)
DCD (green)
RXD (green)
Fail (red)
Active (green)
Port 1-4
(yellow)
H8330
PORT !
PORT 2
PORT 3
PORT 4