User's Manual

CI Wireless Inc.
1211 Ira E. Woods Ave., Grapevine, TX 76051
55
before RX LED turns off. This
checks squelch setting.) Modem
normally shipped set to 460 MHz.
700-1005
Commlink (RS 485)
485 Transmit
Check for signal from controller
with oscilloscope across TS-485
terminals, if none
Reprogram Controller
Still none
Replace Controller
Signal on TS 485 but still no
signal on J-10 Pin3
Replace 700-1005
485 Receive Signal on J-10 Pin 2, no signal
across TS 485
Replace 700-1005
Signal on TS 485, no response
from controller
Reprogram Controller
(no change-replace controller)
TX Power Input
-12 to +3 dBm
Low RF detected Input Check Base Station Output
High Reduce Base Station output
power or add attenuation
RF Up Link Signal Low /High Gain Low Reset Up Link Gain Control
Gain High Set Up Link Gain Control
Gain Low cannot adjust one or
all Remote paths
1
st
Go to proper Remote Link
path tests
2
nd
Go to Proper Remote Link
RF Modem path tests
Check Fiber Loss Repair Fiber
Down Link Power Output Low or
Alarm
Check Optical Loss Repair fiber cable, Go to optical
path tests
Check TX Power Input -
if Low
Re-adjust or repair source,
if
good
Check Rf Output @ Duplexer TX
Input
- If Low
Replace PA
Good
- Check at Duplexer Output Replace Duplexer
Good
- Replace Polyphaser
Up Link Gain Control Check CommLink Refer to CommLink Trouble
shooting
No Response
, Check 700-1005 If defective, replace 700-1005
Down Link Gain Control Refer to Down Link Power
Output
Refer to DL Power Output
Trouble shooting
Refer to CommLink Trouble shooting
If Ok
, Check Controller is
adjusting DAC output ,
if
DAC
Adjusting
Replace PA
No DAC adjusting at Remote
One Remote only
Replace and/or reprogram remote
controller
All remotes from hub Replace and/or reprogram Hub
controller