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1-Port DOCSIS Mini-Physical Interface Module LEDs

 

The Data over Cable System Interface Specifications Mini-Physical Interface Module (1-Port DOCSIS Mini-PIM) has five LEDs. Figure 1 describes the LEDs available on the 1-Port DOCSIS Mini-PIM.

Figure 1: 1-Port DOCSIS Mini-PIM LEDs
1-Port DOCSIS Mini-PIM
LEDs

Table 1 describes the LED states.

Table 1: 1-Port DOCSIS Mini-PIM LED States

LED

Color

State

Description

PWR

Green

On

The 1-Port DOCSIS Mini-PIM has been powered on and completed the power-on-self-test (POST).

Red

On

The 1-Port DOCSIS Mini-PIM has failed the POST.

DT

(Downstream)

Green

Blinking

The 1-Port DOCSIS Mini-PIM scans for a valid downstream DOCSIS channel to lock onto a downstream channel.

On

The 1-Port DOCSIS Mini-PIM has locked onto the DOCSIS downstream channel.

UT

(Upstream)

Green

Blinking

The 1-Port DOCSIS Mini-PIM scans for a valid upstream DOCSIS channel to lock onto an upstream channel.

On

The 1-Port DOCSIS Mini-PIM has locked onto the DOCSIS upstream channel.

LINK (to CMTS)

Green

Blinking

The 1-Port DOCSIS Mini-PIM has an active link with the CPE device, but data communication is not taking place.

On

The 1-Port DOCSIS Mini-PIM has an active link with the CPE device, and data communication is taking place.

Note: The Link LED does not blink for data traffic that originates or terminates at the cable modem.

ONLINE

Green

Blinking

The 1-Port DOCSIS Mini-PIM is establishing a connection to the SRX Series device.

On

The 1-Port DOCSIS Mini-PIM is synchronized with the SRX Series device.