Teo E911 Response System Installation - Manual (Page 40)

Teo E911 Response Server 9145 Installation Instructions
Page 40 13-280133 Rev. C
P P R R I I S S e e t t u u p p T T a a b b
Line Build Out by default is 0.0 dB. Signal levels may be attenuated if you suspect that the
PBX or C.O. equipment is being overdriven; otherwise, leave this field at 0.0 dB.
Line Coding should normally be left at B8ZS (bipolar with eight zero substitution). AMI
(Alternate Mark Inversion) should only be used with older signaling systems. AMI is
typically associated with T1, and not with ISDN.
The D (data) Channel is normally time slot 24. Channels 1 through 23 are normally B or
voice channels. The D channel time slot must match the PBX and C.O. assigned D channel
time slot.
Warning: The 9145 is intended for ISDN-PRI lines with a maximum of 23 B channels only.
Do not connect the 9145 to ISDN-PRI lines where a primary and a secondary D channel are
used, and more than 23 B channels are supported.