User`s guide
PassFinder AP2520 VoIP Router/Gateway Operation Manual Version 1.10 / Mar. 2002
AddPac Technology Co., Ltd. -
329 -
5.8. Digital E1/T1 (ISDN PRI/R2) Installation
5.8.1. General setting and installation
z All general and VoIP configuration setting procedure except ISDN PRI/R2 is almost same with
other AddPac VoIP gateway model such as AP1100, etc.
z Currently, only AP2110, AP2520G/R, AP2830, AP2850 VoIP equipments support the
Digital E1/T1 VoIP Interface module.
z Following explanation is mainly focused on E1 interface, but T1 interface is applicable
also.
5.8.2. PBX side configuration setting
z 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.
z 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
z group.
z 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.
z 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
z 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.