Mitel 3300 - Page 99

Services Units and Gateways
91
National Complex 370R+(620R||310nF) 370R+(620R||310nF)
TBR21 Same as “National Complex” Same as “National Complex”
Alternate Complex Same as “National Complex” Same as “National Complex”
Table 69: North America/Latin America
Balance Network Setting
(CO Trunk Circuit Descriptor Form)
LS Impedance Values
AC Balance
600 600 600
National Complex 600 370R+(1000R||210nF)
TBR21 600 Same as “National Complex”
Alternate Complex 600 Same as “National Complex”
Notes:
• The 600 ohm setting is most often used for very short connections, such as those behind a PBX,
IAD or similar device.
• National Complex matches most unloaded central office lines. It is the most commonly used setting.
• There is no support for loaded loops.
Table 70: United Kingdom
Balance Network Setting
(CO Trunk Circuit Descriptor
Form)
LS Impedance Values
AC Balance
600 370R+(620R||310nF) 370R+(620R||310nF)
National Complex 370R+(620R||310nF) 370R+(620R||310nF)
TBR21 Same as “National Complex” Same as “National Complex”
Alternate Complex Same as “National Complex” Same as “National Complex”
Table 68: New Zealand
Balance Network Setting
(CO Trunk Circuit Descriptor
Form)
LS Impedance Values
AC Balance