Andrew Wireless Innovations Group RPT-MR701 ユーザーズマニュアル
User’s manual for Repeater MR801B Power
M0067A0A.doc
Id.-No 151111
Page 55
02-JUNE-99
9
Maintenance
9.1 General
F
Note:
The Repeater does not require preventative maintenance measures.
It is only recommended to replace the RAM/RTC
battery after three years usage as a prophylactic
measure. The nominal lifetime of these batteries is
five years under normal environmental conditions.
battery after three years usage as a prophylactic
measure. The nominal lifetime of these batteries is
five years under normal environmental conditions.
In the event of a malfunction it is advantageous to
check the status of the antenna systems as well as
the continuity of the entire cabling including
connectors, before replacing the modules.
check the status of the antenna systems as well as
the continuity of the entire cabling including
connectors, before replacing the modules.
Maintenance on the Repeater shall be performed
only by replacing modules. Soldering on printed
circuit boards shall be avoided. In order to sustain
warranty take care not to damage unintentionally
the seals on the modules.
only by replacing modules. Soldering on printed
circuit boards shall be avoided. In order to sustain
warranty take care not to damage unintentionally
the seals on the modules.
The spare part list, consequently, contains only
units, which can be replaced without tuning or
complex soldering work.
units, which can be replaced without tuning or
complex soldering work.
figure 9-1 Top view of the Repeater
F
Note:
Defect parts should only be replaced by original parts from MIKOM.
All interventions inside the housing are at one’s own risk.
During maintenance ensure that the Repeater has been disconnected from
mains.
All interventions inside the housing are at one’s own risk.
During maintenance ensure that the Repeater has been disconnected from
mains.
Open the lock at the connector panel and remove the cover plate. To open the housing use a
Torx key and unscrew the four Torx screws.
Torx key and unscrew the four Torx screws.
9.2 Replacement of the fuses (mains)
The mains cable is protected with two fuses F1 and F2 8A type MT. They are accessible
inside of the Repeater at the fuse terminal on the right side. Open the screw plug for the fuse
and take out the fuse.
inside of the Repeater at the fuse terminal on the right side. Open the screw plug for the fuse
and take out the fuse.
F
Note:
Use only fuses of the same type and the same rating when replacing!
See figure 9-2 Fuse terminal for position of the 8A fuses.