Cisco (PA-4E1G/120) Serial Adapter
2 Mbps, Expansion Card, Expansion Slot Interface, Cabling: Serial, Cable Connectivity, For: PC Platforms |
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Cisco (PA-4E1G/120) Serial Adapter - The PA-4E1G provide up to four E1 synchronous serial interfaces, which are compatible with and specified by G.703/G.704. The PA-4E1G network interfaces provide a connection between standard serial interfaces such as V.35 to telephone lines or Post, Telephone, and Telegraph (PTT) networks. Each PA-4E1G interface operates in full-duplex mode at E1 (2.046-Mbps) speed. ?The PA-4E1G interfaces do not operate in the data terminal equipment (DTE) and data communications equipment (DCE) modes that are typical of data communications interfaces. The PA-4E1G interfaces operate with either a line-recovered or an internal clock signal. The default is for a line clock signal that the interface recovers from the received data stream. The interface can also operate with an internal clock signal. The PA-4E1G generates the internal clock signal; the interface does not use the motherboard or system clock. ??Each PA-4E1G interface is available in either balanced (120-ohm) or unbalanced (75-ohm) mode; ...
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1 store offers from $3259-$3259
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