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April 24, 2017
11:41 PM
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DS3 Equivalent to 28 T1 Lines
DS3 service at a signaling rate of 44.736 Mbps is the equivalent of 28 T1 lines at their signaling rate of 1.544 Mbps. Because of the strict synchronization of TDM services, 28 T1 lines may be multiplexed into a single DS3 service.

When to Use Pseudowires
A pseudowire is a virtual "circuit" that emulates a traditional digital telecom service but on a packet switched network. MPLS networks are especially suitable for pseudowires. By using a pseudowire circuit, you can get the point to point connectivity you desire without having to re-engineer your facilities to accommodate a different protocol network.

DS3 for Call Center Telephony
DS3 voice service can support up to 672 simultaneous telephone conversations without blocking. If your call center or large corporate PBX system requires this number of outside lines, DS3 is likely far more cost effective than ordering the equivalent 28 T1 lines.

How DS3 Relates to OC3
DS3 is a digital signal level originally developed to support the copper based T-Carrier digital telephone trunking system. DS3 offers about 45 Mbps of bandwidth . OC3 is a SONET optical carrier standard running at about 155 Mbps. An OC3 link can transport up to 3 separate DS3 services.

What is Fractional DS3 Service?
Fractional DS3, as the name implies, is a fraction of the full DS3 bandwidth of 45 Mbps. Companies order fractional DS3 when they don't need or want to pay for the full bandwidth offered by DS3. Even with fractional DS3, you still need the full coaxial or optical hardware support for 45 Mbps signaling. At low fractional requirements, bonded T1 lines offer a more cost effective solution.


Carrier Ethernet & DS3 Bandwidth
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