Zhone Technologies Z-PLEX-10-24-DOC-SC ユーザーズマニュアル
3-6 \
Zhone Technologies
Model No.
Running Head
Grounding requirements
Electrical Installation
Note:
Note that the External Alarm Plug is black in color, matching the reciprocal black
rear panel receptacle.
rear panel receptacle.
Figure 3-2. Alarm closure plug
3.5
Grounding requirements
Due to the UL regulatory requirements, a mounting stud is required for connection of the AC
input earth ground lead to the product chassis. The ground lead must be connected to the
chassis using a No. 6 nut and lock washer combination. The mounting location is labeled with
the IEC 417 No. 5019 symbol (
input earth ground lead to the product chassis. The ground lead must be connected to the
chassis using a No. 6 nut and lock washer combination. The mounting location is labeled with
the IEC 417 No. 5019 symbol (
) to identify this as the AC earth ground connection point.
This mounting stud is located next to the IEC 320 AC input connector.
The loop battery return and the FXS digital and analog circuitry must share a common ground.
The access point on the back panel of the product allows connection to an external battery
return lead which will be physically connected to the FXS circuit ground. This access point is
provided as part of the DC power input connector.
The access point on the back panel of the product allows connection to an external battery
return lead which will be physically connected to the FXS circuit ground. This access point is
provided as part of the DC power input connector.
Small Screwdriver
Alarm Closure Plug (supplied)
Wire
Wire tightening screws
(located under adapter)
(not supplied)
(not supplied)