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| BF, BG, TH, BHx Series Alcatel BF3/4 and also BG3 series, also THx, BHx are located here. |
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| | LinkBack | Thread Tools | Display Modes |
04-05-2002, 06:28
| #1 (permalink) |
| Junior Member Join Date: Apr 2002 Location: Europe
Posts: 3
Member: 10702 Status: Offline Thanks Meter: 0 | Alcatel BF cable schematic here !! Code:
Alcatel BF-3, BF4 interface schematic
20 (4) |\ | _____ | /|
DTR o------| >|-----|_____|-----+----------+----|< |-----+
|/ | 100 ohm + | | \ \| |
----- | |
----- 2.2uF | DZ 2V7 |
| | -----
----- | (GND)
(GND) |
|
+------------+ |
____| 1 16 |-----+
+ | | | | 2.2uF
----- | | -----
----- | | -----
2.2uF |____| 3 2 |_____| +
| | | | +
-----| 4 6 |--------| |---+
+ | | | 2.2uF | | |
----- | MAX3232 | -----
----- | | (GND)
2.2uF |_____| 5 |
3 (2) | | 4
RX o--------------------| 7 10 |----------------------o TA_MS (TX)
2 (3) | | 5
TX o--------------------| 8 9 |----------------------o AT_MS (RX)
6 (6) | | 2
DSR o--------------------| 14 11 |----------------------o AT_RCK
| | 1N4148
4 (7) | | ____ |\ | 3
RTS o--------------------| 13 12 |-+-[____]--+-| >|-----o TA_ARQ
| | | 5k6 | |/ |
| | | |
|____________| | |<-+ E
| | B ||
| +-----||--+ C
7 (5) | BC252 | 1
GND o--------------------------+------------------+----------o GND
|
RS 232 | ALCATEL BF3, BF4
25 (9) pin FEMALE ----- phone connector
(GND)
==================================
Alcatel BF-3, BF4 Pinout description
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| BATTERY |
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|_______________________________________|
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|_____________|_________________________|
| _______________ |
| | O O O O O | |
---------------------------------------
1 2 3 4 5
1 - GND
2 - AT_RCK
3 - TA_ARQ
4 - TA_MS (Tx)
5 - AT_MS (Rx)
WARNING !!
All pins voltage levels are 1.8v !!
Must use MAX 3232 !!
================================== |
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03-08-2004, 02:42
| #2 (permalink) |
| Junior Member Join Date: Mar 2004
Posts: 1
Member: 57206 Status: Offline Thanks Meter: 0 | I think you may have pins 4&5 on the phone around the wrong way. Also, a MAX232 does work (I used it on a BF3) but the MAX3232 is probably more reliable running from the lower voltage. |
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