1.5 Mbps DS-1 Network Module

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Technical Specifications:

• Port Capacity: Four and eight ports (Series D) per module
• Data Rate: 1.544 Mbps
• Output Buffer: 32,768 cells (Series D)
• Unicast Connection Capacity: 10,240 (Series D)
• Multicast Connection Capacity: 512 (Series D)
• Media: Unshielded twisted pair
• Maximum Line Length: 655 feet (195 meters)
• Connector: RJ-48c
• Line Encoding: B8ZS
• Framing: ESF
• Cell Delineation: Line framing (Series D)
• Clock Accuracy: ±32 ppm
• Timing: Primary and secondary 8 kHz reference from internal (default) or network
• Loopbacks: Transmit and receive loopbacks
• Impedance: 100 ohms nominal
• Statistics/Alarms: Line code violations (LCV), framing bit errors (FER),CRC-6 bit error events (BEE), out of frame events (OOF), header check sequence (HCS) errors, cells received (RxCells), cells transmitted (TxCells), signal/clock detection, and AIS indication
• Compliance: ATM Forum DS-1 UNI specification v3.1, ANSI/Bellcore T1.102, T1.107, T1.408, TR-TSY-000009, ITU-T G.703, G.704, G.804