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Appendix A. LED Status Summary
LED / Control Blinking State EMTA 6528-4WB State
PWR Steady Green Device power is on
Off Device power is off
LAN Blinking Amber When Data is passed while PC is connected to LAN Ethernet
port
Off No PC connected to USB or LAN Ethernet ports
RECV Steady Green The cable modem module is locked to downstream frequency
Blinking Green The cable modem module is searching for downstream
frequency
Blinking Green simultaneous
with SEND LED
The cable modem module is currently upgrading
Off The cable modem module is not locked to downstream
frequency
SEND Steady Green The cable modem module is locked to upstream frequency
Blinking Green The cable modem module is searching for the upstream
frequency
Blinking Green simultaneous
with RECV LED
The cable modem module is currently upgrading
Off The cable modem module is not locked to upstream frequency
ONLINE Steady Green The cable modem module has passed packet cable provision-
ing (including config file download) and is registered with the
CMTS
Blinking Green The cable modem module is attempting to register with CMTS
Off The cable modem module has not passed provisioning and
has not registered with the CMTS
PC/ACT Solid Green When PC is connected to LAN Ethernet port
Off No PC connected to USB or LAN Ethernet ports
L1 - L4 Blinking Amber The connected telephone handset is on the hook (not in use)
and there are new voice mail messages
Steady Amber The connected telephone handset is off the hook
Off The connected telephone handset is on the hook (not in use)
and there are no new voice mail messages
Specifications
Telephone Interface 4 FXS voice ports
Connector RJ-11 REN=5
Signaling Loop start
Network Interface - Uplink Coaxial Cable Jack
Connector 75 W F-Type Female
Network Interface - Downlink 10/100 Base-T
Connector RJ-45
RF Input Level -15dBmV ~ +15dBmV
Frequency Range Upstream: DOCSIS: 5~42Mhz
Downstream: DOCSIS: 88~860MHz
Dimension 2.4 in (H) x 10.0 in (W) x 9.0 in (D)
60 mm (H) x 255 mm (W) x 228 mm (D)
Power Supply AC 100~240V/50~60Hz (DC 15V @ 3 Amps)
Power Consumption Talk:DC 12V @ 2 Amps (24W), loop current ≤ 32 mA/ Idle: DC 12V @ 0.7 Amps (8.4W)
Operating Temperature 32°F to 104°F (0°C to 40°C)
