Lucent 120A2 CSU Channel Service Unit Module

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Lucent 120A2 CSU Channel Service Unit Module

SKU: 102A2

Availability: In stock


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Lucent 120A2 CSU Channel Service Unit Module

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The 120A channel service unit (CSU) module connects to either a TN464E/F or a TN767D/E DS1 circuit pack on 1 end. The other end connects to the network interface smart jack. The 120A is powered from the +5 VDC port carrier power supply and uses a maximum of 1.2 Watts. In combination with the DS1 circuit pack, it provides the essential functions of external CSUs. The TN464/767 and switch administration support all framing and line coding options. The 120A is easier to install than an external CSU, and does not require any option switch settings or DS1 cable. The 120A CSU module provides enhancements to support the payload loopback function available when the ESF framing format is selected.
SKU 102A2
Condition New or Refurbished
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Manufacturer ATT - Avaya - Lucent
Compatible System No