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Connecting the CBR Port
The CBR (Constant Bit Rate) port is an RJ48C, eight-pin modular jack that is
software-selectable for T1 or E1. As a T1 port, it terminates as 100 ohms, and as an E1
port at 120 ohms. This port is used to transport TDM traffic using a T1/E1 framer to
provide ATM adaptation Layer 1 with Circuit Emulation Services (AAL1-CES). It must
not be connected to outside plant wiring.
Procedure
1. Plug an RJ48-to-RJ48 cable (not provided) into the CBR port.
2. Plug the other end of the cable into your T1 or E1 equipment.
Connecting the Network Port
The NETWORK port is a standard RJ49C, eight -pin modular jack that terminates as
135 ohms.
Procedure
1. Plug the 8-pin modular cable (provided) into the NETWORK port.
2. Plug the other end of the cable into your DSL interface.