Specifications

MyPBX U5XX Administrator's Guide
www.yeastar.com Page 59
6.2 Trunks
6.2.1 Physical Trunk
Multi physical trunks are supported in MyPBX U5XX, like E1,
BRI,PSTN,GSM/UMTS, there will be 2 E1 ports fixed inside ,for other trunks,
please make sure you have installed the modules inside, BRI trunk requires B2
module, PSTN trunk requires the O2, while GSM/UMTS trunk needs to install the
GSM/UMTS modules inside.
Note:
E1/T1/J1 trunk in MyPBX U5XX
MyPBX U500
MyPBX U510
MyPBX U520
number of
E1/T1/J1
0
1
2
Figure 6-19
E1/T1 trunk
In this page we can configure the details of E1 trunk, before configure anything,
please make sure the cable is fine, and you have got enough information from
the ISDN provider.
Figure 6-20