TDM over IP
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MX-408e

Specifications

Customer Access Interfaces

■ T1 Interfaces
-  Interface type: DSX-1
-  Connectors: 8x RJ-48
-  Line build out: 0 to 655 feet
-  Line rate: 1.544 Mbps
-  Line code: AMI, B8ZS
-  Framing: ESF, D4, Unframed

■ T1/E1 Interfaces
-  Connectors: 8xRJ-48 (120 Ω Balanced)
-  Line rate: 2.048 Mbps
-  Line code: HDB3 or AMI
-  Framing: CAS, CCS, Unframed
-  Compliance: ITU G.703, G.704
■ 10/100Base-T Ethernet Interfaces
-  Interface type: 10/100BaseT
-  Connectors: 4x RJ-45
-  Compliance: IEEE 802.3, 802.1D, 802.1Q
Network Uplink Interfaces

■ 10/100Base-T Ethernet Interface
-  Interface type: 10/100BaseT
-  Connector: Single RJ-45
-  Compliance: IEEE 802.3, 802.1D, 802.1Q

■ Gigabit Ethernet Interface
-  Interface type: 1000Base-X
-  Connector: Single SFP
-  Compliance: IEEE 802.3, 802.1D, 802.1Q
T1/E1-based Pseudowire

■ T1/E1 Interfaces
-  Structure-agnostic: IETF RFC 4553 Structure-
Agnostic Time division multiplexing over Packet
(SAToP)
-  Structure-aware: IETF draft- Vainshtein circuit
emulation services over packet-switched network
(CESoPSN) pseudowire support
-  Jitter Buffer: Programmable up to 100 milliseconds
- - -  Automatic Jitter Buffer Adjustment: Optimizes jitter
buffer settings based on observed packet jitter in
delivery network

QoS Management

-  Layer 2 Marking: 802.1Q VLAN tagging per
emulated T1
-  Compliance: IEEE 802.1D, 802.1Q
-  Maximum simultaneous VLANs: 256
-  Class of Service: 4 Priority Levels
-  Diffserv code point marking