NEC 2400 ipx Bedienungsanleitung Seite 353

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ND-71548 (E) CHAPTER 5
Page 335
Issue 2
INSTALLATION TEST PROCEDURE
Set up a loop-back connection between the COT (C.O. Trunk) to be tested and a station line.
Figure 032-1 COT Test Configuration
The trunk route must be assigned for Loop Start.
Figure 032-2 TLT Test Configuration
Set up a loop-back connection between the TLT (Tie Line Trunk) to be tested and another EMT.
If the TLT is a DID (Direct Inward Dialing) Trunk, connected the related leads as shown below:
If the TLT is a 2W E&M System, connect the related leads as shown below:
NAP-200-032
Sheet 2/3
Outgoing Trunk (COT, TLT, DTI Card)
Connection Test
LCC
LCB
LCA COT
LC TLTA
LCB
TLT
T
R
T
R
TLT TLT
T
R
T
R
E
M
E
M
TLT TLT
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