Monitoring HSL Link Monitoring
Table 78: HSL Details
Number of enabled modems for the link.
Number of currently active modems
The Sum of Rates represents the total HSL BW (not including overhead) and is
relevant only for –O (Office) mode.
EWL is provided only in case of link without BBA.
About EWL:
The ANSI T1.417 standard defines deployment guidelines in terms of an
Equivalent Working Length (EWL) of multi-gauge cable. EWL is intended to
provide equivalence between the length of a multi-gauge loop and that of a
straight 26-AWG loop. It is auto-measured in any Spectral Mode.
EWL = (1.41) x L28+ L26+ (0.75) x L24+ (0.60) x L22 + (0.40) x L19, where
L26, L24, L22, and L19 are the lengths of 28-, 26-, 24-, 22-, and 19-AWG cable
in the subscriber loop excluding any bridge taps, respectively.
DS Attenuation
with BBA (at
300kHz)
Downstream Attenuation (measured at 300kHz) is provided only in case of link
with BBA.
The measured attenuation is composed of the two segments attenuation (ML700-O
to BBA and BBA to ML700-R) minus BBA’s gains.
US Attenuation
with BBA (at
100kHz)
Upstream Attenuation (measured at 100kHz) is provided only in case of link with
BBA.
The measured attenuation is composed of the two segments attenuation (ML700-O
to BBA and BBA to ML700-R) minus BBA’s gains.
Total Ethernet bandwidth with redundant capacity. Redundant capacity may exist
in case that the link capacity exceeds ML700 L2 capacity (500Mbps at DS and
~250Mbps US). In such case the excessive capacity serves as redundancy in case
of modem failure or modem rate reduction.
Currently available Ethernet bandwidth over HSL for service connections.
In a deployment where link capacity shall be smaller than available BW, use the
Egress Rate Limit to reduce the Ethernet BW over HSL.
Link status (e.g. Calibrated, Recovering)
Actelis - for all Actelis devices
This field contains information only if there is a fault; otherwise, it is empty.
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