DS1 Network Interface Units
DS1 Network Interfaces
Model LA103
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Network Interface Units (DS1 Connectors) The CXR Larus line of DS1 connectors provides a circuit demarcation
network interface capability to all North American standard T1 signaled
24 channel, l.544 Mb/s T1 PCM carrier lines terminated on customer
premises. They isolate and terminate a telephone company T1 span line on
the customer premises as well as provide circuit selectable signal
regeneration. A typical Network Interface Unit (NIU) is located at the telco
demarcation point at the customer premises. It serves to terminate a T1
line and provide some diagnostic capability (loop up, loop down). The
various units described here incorporate a digital regenerator for one
direction, both directions, or the loopback path. Such devices are also
referred to as DS1 interface connectors and "smartjacks."
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Model LA103 DS1 Connector
The CXR Larus Model LA103 DS1 Connector is a standalone unit designed
for wall or bar mounting. It provides circuit demarcation and network
interface capability to North American standard T1 1.544 Mb/s PCM
carrier facilities terminated on customer premises.
The LA103 features inband coded signal loopback, line or local powering,
looping of the telephone company simplex power, dry or wet customer
interface, shielded and enclosed circuitry, and a protected terminal
block. The connector isolates and terminates a telephone company T1 span
line on customer premises and allows looping of the simplex span, when
locally powered, as well as selectable signal regeneration. Receive
range is up to 6000 feet.
Ordering Information:
LA103-0, Network Interface, DS1, w/
RJ48C (non-shorting) jack
LA103-1, Network Interface, DS1. w/
RJ48X (shorting) jack
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