Telephone Line Interface ()
Check Link ()
Note:
BBIC is IC1.
12. CHECK PROCEDURE (BASE UNIT)
12.1. Preparation
12.1.1. Equipment Required
- DECT tester: Rohde & Schwarz, CMD 60 is recommended.
- Frequency counter: it must be precise to be able to measure 1Hz
(precision; ±4ppm).
Hewlett Packard, 53131A is recommended.
- DC power: it must be able to output at least 1A current under 9V.
- Digital multi-meter (DMM): it must be able to measure voltage and
current.
- Oscilloscope
12.1.2. JIGs and PC
- EEPROM serial JIGs
1. I2C PCB: PQZZTCD705BX
2. RS232C cable: PQZZ1CD705BX
3. Clip cable: PQZZ2CD705BX
4. DC cable: PQZZ3CD705BX
- PC which runs in DOS mode
- Batch file for setting: PQZZTCD420BX
12.2. PC Setting
12.2.1. Connections
36
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