Troubleshooting For I20R Controller - Motorola CDR500 Programming Manual

Troubleshooting
Symptom
8. Unable to access dial tone or an-
swer a call.
9. Intermittently disconnects from
call.
Symptom
1. No field radios can access sys-
tem.
2. Some field radios cannot access
system.
3. i20R does not detect TPL/DPL
signals (functions properly in
CSQ mode).
4. No or intermittent decode of
proper TPL/DPL codes by field
radios.
5. No decode of proper DPL codes
by i20R; PL tones OK.
13-12
Table 13-8. Troubleshooting for ZR340 Controller (Cont'd.)
Problem(s)
8. Incorrect positions for JP7, JP8,
and JP9 in ZR340.
9a. Noisy phone line may false
"busy" tone detector.
9b. Single character deaccess code
may voice false.
Table 13-9. Troubleshooting for i20R Controller
1a. No valid user(s) defined in i20R
database.
1b. Receive radio on wrong channel
(personality).
1c. Receive radio programmed for
"filtered" accessory connector
"Rx Audio Type".
1d. Incorrect I/O programming of
accessory connectors of receive
and transmit radios.
1e. Incorrect I/O programming of
accessory connectors of i20R.
1f. Incorrect position for JU20 in
i20R.
1g. Loose or bad repeater cable from
receive radio.
1h. Incorrect programming of field
units.
2a. User ID not valid in i20R data-
base.
2b. Incorrect programming of field
units.
2c. If DPL users, then inverted DPL
sense from receive radio.
3. i20R programmed to enable
"Forward Carrier Repeater Op-
eration".
4a. Improper TPL/DPL level to
transmit radio.
4b. Transmit radio programmed for
TPL/DPL (interferes with i20R
TPL/DPL.
4c. "Ext PTT Audio" source for
transmit radio incorrect.
4d. Loose or bad repeater cable from
i20R to transmit radio.
5. Inverted DPL sense from receive
radio.
6864110R66-O
CDR500 & CDR700 Repeater Service Manual
8.
9a. Disable the "busy" tone detector
9b. Use more than one character in
Problem
1a. Program i20R database.
1b. Set receive radio to correct chan-
1c. Reprogram receive radio "Rx
1d. Reprogram accessory connec-
1e. Use i20R RSS to reprogram ac-
1f. Set JU20 to "Out".
1g. Check repeater cable connec-
1h. Reprogram field units.
2a. Reprogram i20R database.
2b. Reprogram field units.
2c. Use i20R RSS to reprogram DPL
3.
4a. Adjust "SIG" control on i20R.
4b. Change transmit radio to CSQ.
4c. Reprogram "Ext PTT Audio" for
4d. Check repeater cable connec-
5.
Possible Solution(s)
Check positions of JP7 to JP9 and
correct, if necessary. All three
jumper plugs should be in the
"B" position.
(cmd 86#).
the deaccess code.
Solution
nel (personality).
Audio Type" to "Flat".
tors of both radios.
cessory connectors of i20R.
tion(s) and replace cable, if nec-
essary.
polarity (Installation/Radio
Characteristics).
Use i20R RSS to reprogram "For-
ward Carrier Repeat Operation"
as "Disabled".
"Ext Mic & Flat Tx".
tion(s) and replace cable, if nec-
essary.
Use i20R RSS to reprogram DPL
polarity (Installation/Radio
Characteristics).
March, 2001