Nortel-networks Circuit Card Manual de usuario Pagina 244

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Page 244 of 906 NT5D11 and NT5D14 Lineside T1 Interface cards
553-3001-211 Standard 3.00 August 2005
in tandem. Figure 36 demonstrates how the signaling is looped back toward
the CPE equipment.
Applications
The lineside T1 interface is an IPE line card that provides cost-effective
connection between T1-compatible IPE and a system or off-premise
extensions over long distances.
Some examples of applications where a lineside T1 card can be interfaced to
a T1 link are:
T1 compatible Voice Response Unit (VRU) equipment
T1 compatible turret systems
T1 compatible wireless systems
Remote analog (500/2500-type) telephones through T1 to a channel bank
Remote Norstar sites behind CS 1000S, CS 1000M, and Meridian 1 over
T1
The lineside T1 card is appropriate for any application where both T1
connectivity and “lineside” functionality is required. This includes
connections to T1-compatible voice response units, voice messaging and
trading turret (used in stock market applications) systems. See Figure 37.
Figure 36
MMI network loopback test
T-1 link
Line side
T-1
interface
card
Customer
premise
equipment
(CPE)
Common
Equipment
System
External
network
T-1 link
553-AAA1122
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