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9 Cards in this Set
- Front
- Back
- 3rd side (hint)
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CSU/DSU
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channel service unit/data service unit; used to clock the link.
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demarc
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short for demarkation point at which the telco's responsibility is on one side and the customer's responsibility is on the other.
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PTT
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"public telephone and telegraph companies
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now refer as service provider."
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CPE
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"customer premises equipment refers to devices that are at the customer site
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e.g. CSU/DSU and router."
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DCE
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"Data communications equipment
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e.g. CSU
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DTE
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"data terminal equipment
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e.g. router
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PCM
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"pulse code modulation
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converting analog voice (8000 times per sec
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DS1
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"digital signal level 1 or single T1 line that supports 24 DS0s
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plus an 8-kbps overhead channel= 1.544 Mbps."
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Name the five steps of encapsulation in the correct order.
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data, segment, packet, frames, bits
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