1.
LED
LED is light indicates corresponding C.O line or extension is using.
2. C.O line port No.1 to No.8
C.O line port No.1 to No.8 for connect with C.O line from telecom provider, each
RJ11 port for connect with two C.O lines, middle two lines (A&A) as one C.O line,
the two sides lines ( B&B) as another C.O line.
3.C.O line port No.9 to No.16
C.O line port No.9 to No.16 for connect with C.O line from telecom provider, each
RJ11 port for connect with two C.O lines, middle two lines (A&A) as one C.O line,
the side lines ( B&B) as another C.O line.
4.Extension port No.1 to No.32
Extension port of 8001 to 8032, each RJ11 port for connect with two extensions,
middle two lines (A&A) as one extension, the side lines ( B&B) as another extension.
Auto-compatible with both of keyphone and normal telephone, the maximum transmit
distance between extension and PABX can be up to 1000 meters when lines at well
connecting.
5.Extension port No.33 to No.48
Extension port of 8033 to 8048, each RJ11 port for connect with two extensions,
middle two lines (A&A) as one extension, the side lines ( B&B) as another extension.
Auto-compatible with both of keyphone and normal telephone, the maximum transmit
distance between extension and PABX can be up to 1000 meters when lines at well
connecting.
6.Extension port No.49 to No.64
Extension port of 8049 to 8064, each RJ11 port for connect with two
extensions, middle two lines (A&A) as one extension, the side lines ( B&B) as
another extension. Auto-compatible with both of keyphone and normal telephone,
the maximum transmit distance between extension and PABX can be up to 1000
meters when lines at well connecting.
7.External Back Up Battery Connect Port
Power switch design allows connect 48V external back up battery that ensure system
can keep working normal for certain period of time when power failure, the working
duration is depends on calls frequency, normally could remain about 48 hours when
full charge.
Section 1 Basic System Construction
6