AC Level 2 Charger
INSTALLATION AND USER’S MANUAL
Page
14
of
59
This document is a
Property of BTCPower Inc.
and shall not be
copied, reproduced, or used as the basis for sale or manufacture
of apparatus without written permission.
09-Mar-20
Revision
T
5.3.
Communications Connectivity
Site Survey Process
Follow the procedure steps below and record all results and information using the Site Survey
Form in Annex A.
1)
Use a cellular signal meter that can measure RSRP, RSRQ and SNIR.
•
Use the same antenna and spacing as charger
o
Signal strength tool and antenna can be purchased from BTCPower or use Squid 4G
M2M Tool or equivalent
o
Antenna spacing should be 6
–
8” apart
•
In a pinch, use a SureCall RF Signal Meter CM-METER-01 or equivalent and use the RSSI
reading but
don’t use for boosted signals
o
In the event that the RSSI doesn’t meet criteria, then use a meter
that can measure
RSRP, RSRQ and SNIR
2)
Measure and record the signal strength at each charger location and note description of
location.
•
Outdoors, indoor parking structure
•
Obstructions if there are any
•
Record location with photo and GPS coordinates
3)
Ensure that location meets the Cellular Signal Strength Criteria as shown below:
Parameter Min Value
Device
Notes
RSSI
-69 dBm
SureCall RF Signal Meter
CM-METER-01 or equivalent
If RSSI < - 69dBm, measure RSRP,
RSRQ, and SNIR
RSRP
-100 dBm
BTC-Cellular Meter or Squid
4G M2M Tool or equivalent
Please consult BTCPower
Application Engineering
RSRQ
-11 dBm
BTC-Cellular Meter or Squid
4G M2M Tool or equivalent
Please consult BTCPower
Application Engineering
SINR
> 6 dB
BTC-Cellular Meter or Squid
4G M2M Tool or equivalent
For Reference
PRE-INSTALLATION
