User's Manual

Title:
CT103 RF Uplink &RS485 downlink Repeater User Manual
DOC No.:
Rev.:
1.3
Page:
8 of14
Copyright Kaifa – Reproduction and communication of this document is strictly prohibited unless specifically
authorized in writing by Kaifa.
Event Log
Power off.
SPD OK.
SPD FAIL.
Meter Box open.
Meter Box close.
2 Repeater Installation
2.1 Installation guide
CT103Repeater should be installed at a dry Meter Box. Installation environment temperature must
not exceed Repeater operation temperature range (+10℃~ +85℃); Working voltage must in the range of
184Vac~276Vac, 60±5%Hz.
Please see Meter Box installation guide for details.
2.2 External battery
External changeable battery can provide backup energy for Repeater’s RTC. The recommended battery
size is LS14250E. Only authorize utility member can remove the battery, it is not allowable to remove
battery for consumer. Please see the detailed dimension as following:
1) Power off the Repeater, open the meter box, pull off the plug, and replace the battery, close the
Meter Box.
3 Event record
3.1 Repeater’s event record
When the event occurred, Repeater only transfers to Concentrator through RF module, it contains:
event_code1 Power off: If power off, when power up again, Repeater can detect the last power off
event, and report the last gasp event with date and time to concentrator.
event_code2 SPD OK: SPD give a disconnect signal to Repeater (only detection in power up
situation). After five seconds, the RF LED will alternating flicker and Repeater will report the
SPD OK event with date and time stamp to concentrator.
event_code3 SPD FAIL: SPD give a connect signal to Repeater (only detection in power up
situation). After five seconds, the RF LED will alternating flicker and Repeater will report the
SPD FAIL event with date and time stamp to concentrator.
event_code4 Meter Box open: When Meter Box is opened, the RF LED will alternating flicker. After
five seconds, Repeater will report the Meter Box close event with date and time stamp to
concentrator.
event_code5 Meter Box close: If the Meter Box has been opened, When the Meter Box is closed,
the RF LED will alternating flicker. After five seconds, Repeater will report the Meter Box open
event with date and time stamp to concentrator.