Avaya Nortel Communication Server 1000 Reference page 524
Circuit card reference
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Also See for Nortel Communication Server 1000:
- Manual (570 pages) ,
- Configuration manual (350 pages) ,
- Hardware installation and maintenance (262 pages)
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NTAK79 2.0 Mb PRI card
Figure 155: NTAK79 card with switch locations
Switch SW1 - DCHI Configuration
This switch enables/disables the on-board DCHI and sets the operating mode of the DCHI.
DPNSS1 mode is supported on an NTAK79BC. For all other countries that do not use DPNSS,
use Q.931 mode.
Table 227: Switch SW1
SW 1-1
SW 1-2
Switch SW2 - Carrier Impedance Configuration
This switch sets the carrier impedance to 120 ohms. Twisted pair cable is usually associated
with 120 ohms.
524
Circuit Card Reference
Switch
enable DCHI
DPNSS1/DASS2
Comments? infodev@avaya.com
Down (On)
disable DCHI
Q.931
Up (Off)
July 2011
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