Cisco Model D9479 Gigabit QAM Modulator Installation Guide
Chapter 1 Introduction
10
78-745431-01 Rev E
Item
Component
Description
1
AC Unit: Power
Switch
On/off rocker-type power switch
5
Gigabit Ethernet Port
LEDs
LINK and ACT (Active) LEDs light when the Main or
Backup GbE port is active
6
Gigabit Ethernet port GBIC GbE port allows for receipt of MPEG transport
stream data in UDP over the GbE interface
7
DVB ASI INPUTS 1-4 Female BNC, 75 Ω connector. Allows for the input of
MPEG-2 transport stream data at a maximum rate of 216
Mbps
8
DVB ASI LEDs
Data LEDs 1 through 4 light when the DVB ASI Input
ports are receiving valid MPEG-2 transport stream
packets
9
CRAFT PORT
For Cisco diagnostic use only
10
10/100BASE T port
Ethernet port shares data with DNCS Ethernet hub
11
GND
Ground screw for grounding the modulator
Back Panel Indicator Lights
The following illustration and table show the back panel indicator lights.
Item
Indicator Light
Description
1
ACTIVE (green)
Lights when data traffic is on the 10/100BASE-T GbE link
2
LINK (green)
Lights when a valid GbE 10/100BASE-T link connection
exists
3
DATA 1 (green)
Lights when the DVB ASI Input 1 port is receiving valid
MPEG-2 transport stream (TS) packets
4
DATA 2 (green)
Lights when the DVB ASI Input 2 port is receiving valid
MPEG-2 TS packets
5
DATA 3 (green)
Lights when the DVB ASI Input 3 port is receiving valid
MPEG-2 TS packets