J-series Services Routers support the following network interface types: E1, Fast Ethernet, serial, T1, and T3, as well as asynchronous transfer mode (ATM) over ADSL interfaces.
 |
J4300 and J6300 Services Routers with asymmetrical digital subscriber line (ADSL) Physical Interface Modules (PIMs) can use PPP over Ethernet (PPPoE) and PPP over ATM for ADSL (PPPoA) to connect through DSL lines only, not for direct ATM connections. |
T3 interfaces, which are also called DS3 interfaces, are supported on J6300 Services Routers only.
ADSL interfaces are optional and support the following standards:
ADSL is available only on J4300 and J6300 Services Routers.