About SMB Controller
Table 13: Specification for FXS (used for USA/Canada only)
Parameter Interface FXS1...FXS6 of Mitel SMB
Controller
OPS Loss Plan Support No
DNIC Support No
LS Trunk Support Yes
LS Class Support Yes
GS Trunk Support No
REN per line (ONS) 2
Open circuit Ringing Voltage (VRMS) Nominal = 70V (trapezoidal balance) or 40V
rms (sinus wave)
Note:
This setting is country dependent.
ONS Loop Length (Miles) 600 Ohm Loop (with 300 Ohm Set)
3.45 (22AWG)
2.17 (24AWG)
1.33 (26AWG)
ONS Line Feed Voltage 30V for normal
Document Version 1.0
43 System Manual for Mitel SMB Controller