PassFinder AP2520 VoIP Router/Gateway Operation Manual
Version 1.10 / Mar. 2002
AddPac Technology Co., Ltd.
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329
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5.8.
Digital E1/T1 (ISDN PRI/R2) Installation
5.8.1.
General setting and installation
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All general and VoIP configuration setting procedure except ISDN PRI/R2 is almost same with
other AddPac VoIP gateway model such as AP1100, etc.
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Currently, only AP2110, AP2520G/R, AP2830, AP2850 VoIP equipments support the
Digital E1/T1 VoIP Interface module.
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Following explanation is mainly focused on E1 interface, but T1 interface is applicable
also.
5.8.2.
PBX side configuration setting
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Check the E1/T1 interface signaling types (ISDN PRI or R2) of PBX side. In general, ISDN PRI
and R2 H/W board type is different physically.
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The 30 voice channels in E1 interface or 24 channels (T1 interface) are assigned to trunk group.
And a user can bind a specific prefix number (example, 9 or 8 digit number) to this trunk
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group.
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In case of ISDN PRI interface, a user can configure the ISDN digit input procedures such as
enbloc or overlap procedures. AddPac APV1-1E1 digital Interface supports the enbloc or
overlap ISDN digit input procedure method both.
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Confirm the PCM companding type such as A-law or U-law. A-law PCM companding type is a
default mode setting.
5.8.3.
E1/T1 Interface Cable between PBX and APVI-1E1 Module
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AddPac APVI-1E1 VoIP digital E1 interface module support only the RJ-45 connector type.
Following table show the pin configuration diagram of RJ-45 connector.