Specifications

9745-838-B0-001
1.0 Introduction to the DOCSIS Transponder, continued
1.2 LED Indicators
The XP-EDH-A contains a DOCSIS 1.1 cable modem. The front panel contains one RF
connector and three multi-pin connectors.
The four LEDs indicate the following:
Fig. 1-3, LED Status
POWER: Indicates device has power
OFF: No power.
ON: Power on. (Battery harness connected to a battery
string.).
ONLINE: Indicates a two-way RF (radio frequency) connection.
OFF: No communication.
Flickering ON: Scanning for CMTS connection
ON: Ongoing communication online with CMTS.
US (Upstream activity): Indicates data being transferred to the transponder
Flashing ON and OFF: Normal operation.
OFF: No power or malfunctioning transponder.
DS (Downstream activity): Indicates data being transferred from the tran-
sponder
Flashing ON and OFF: Normal operation.
OFF: No power or malfunctioning transponder.
1.3 MAC Address
Each transponder is assigned a unique Media Access Control (MAC) address, which is used
to communicate with the network. The fi rst 6 digits of the MAC address (the Organizational
Unique Identifer (OUI)) for the transponder is 00-03-08. The complete address is located on
the label on the top of the device and in this example is 00 03 08 0B 6F DA.
MAC address
Fig. 1-4, MAC Address Label