Features

• In combination with a DS1 circuit pack, it provides the essential functions of external CSUs
• Small size, easier to install than external CSU
• Does not require any option switch settings or DS1 cable

• Vintage 2 (120A2) provides enhancements to support the payload loopback function available when the ESF framing format is selected (requires 700A loopback jack)

Compatibility 

• The 120A2 CSU Module is compatible with the following DS1 circuit packs:
• TN464E to TN464HP
• TN2464CP and earlier
• TN767D or TN767E
• TN2313 or TN2313AP

• Supported on Definity, Multivantage, and Communication Manager servers that support TN circuit packs

Includes

Clip and Cable

Refurbished

Library

Installing and Operationg 120A CSU.pdf