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POST INSTALLATION TEST
SDT Card Loopback Test
5.SDT Card Loopback Test
The patterns for loopback test, which can be set by the SDT card, are as follows:
1.Local Loopback
Loopback tests are performed only on the SDT card at the
2.Remote Loopback
Loopback tests are performed between different nodes. The result of this test can be confirmed not at the
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IMS | 1 Local |
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| Loopback |
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| Loopback | |
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SDT PKG
Distant Node
NEC | NEAX |
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SDT PKG
Fusion
Networking
Diagnosis |
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Test Result (1) |
| NG: Error detection at | ||||
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Test Result (1) |
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| NG: Error detection on optical fiber line or distant node side. | |
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Figure 6-14 Loopback Points of SDT Card
•Test Procedure
STEP 1: Designate the loopback test pattern by setting the
Operate switch 1 or 2 of the
SDT
SW11 SW12
Figure 6-15 Loopback Setting by P-SW keyon PA-SDTA Card
ND-70185 (E)CHAPTER 6
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