Dsm3 docsis communications module – Alpha Technologies DSM3 for XM3 - Quick Start Guide User Manual
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746-114-B5-001 Rev. B (04/2013)
DSM3 DOCSIS Communications Module
Fig. 2, DSM3 Communications Module Front Panel Indicators and Connectors
Item
LED or Connector
Status
Behavior
Indication
1
ALM/RDY: Alarm and
Ready
N/A
OFF
No power or malfunctioning transponder
GRN
ON
Transponder reset in process
Steady Blinking
Normal operation
RED
Blinking more OFF
than ON
Minor Alarm
Blinking more ON
than OFF
Major Alarm
2
REG: Upstream ranging
and registration lock
GRN
OFF
No power, upstream frequency undetermined
BLINKING
Power on, downstream locked, upstream frequency
ranging, DHCP request pending
ON
CMTS registration completed
3
DS: Downstream RF
Carrier detection and lock GRN
OFF
No power / downstream carrier
BLINKING
Power on, downstream carrier frequency searching
ON
Downstream carrier lock
4
ACT: CPE Activity status
GRN
OFF
No Ethernet communications activity
BLINKING
Momentary flashes during CPE communications via the
Ethernet Craft port
5
LNK: CPE Link status
GRN
OFF
No link
ON
Link on Ethernet Craft port
6
RF Rx/Tx Power Level
Indicator
TRI
OFF
No RF detected
Blue
Rx/Tx Power at a warning level as set within the SCTE-
HMS Property Table
Green
Rx/Tx RF Power level within tolerance
Red
Rx/Tx Power at an alert level as set within the SCTE-
HMS Property Table
7
BAT A/B
GRN
ON/OFF
ON (steady) if battery string(s) connected correctly
8
BAT A/B Connector
9
RST: Reset Buttton
10
TPR: Tamper Switch Connector
11
ETH: Ethernet Connector
12
RF Connector
13
CM, CPE MAC Address Label
8
13
7
9
10
11
1
2
3
4
5
6
12