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Chapter 2. Installation
Switch
6
5
4
3
2
1
Refer to Appendix B, S/T Bus Configurations on page B-1 to determine
what type of bus and termination apply to your installation to set the
switches accordingly.
POWERING UP THE NT1 TYPE 400 STANDALONE
To power-up the NT1 Type 400 Standalone for the first time, perform
the following procedures in order:
1.
Plug the power cord into a grounded, 120 VAC, 60 Hz receptacle.
2.
Verify that the ERROR indicators are illuminated. After about 15
seconds, the READY indicators should flash at a 1 Hz rate.
3.
Should any of these indicators fail to operate as stated, see Chap-
ter 3, Troubleshooting on page 3-1.
Table 2-2 on page 2-3 gives pin assignments for the unit.
2-2
Table 2-1. NT1 Type 400 Switch Settings
Description
50 Ω termination
50 Ω termination
100 Ω termination
100 Ω termination
Long or short passive bus
Future use
NT1 T400 User Manual
On
50 Ω
None
50 Ω
None
100 Ω
None
100 Ω
None
Long
Short
N/A
N/A
61212016L1-20
Off
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