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Interface Converter Selection Chart
Model Interface 1 Interface 2 No. of Signals Converted Physical Remarks Price
Type Conn. Type Conn.
62-1/2 RS-232 DB25 EIA-530 DB25 13 SA RS-422 Signals $140
63-2SA RS-232 DB25 RS-422 Term 2 SA TD & RD LED's $99
63-3/4 RS-232 DB25 RS-422 DB25 8 SA Very Popular $130
65AX RS-232 DB25 CLOOP* TERM 2 SA Active or Passive $99
121 RS-232 CARD RS-422 TERM 2 RM Dual Converters $150
122 RS-232 CARD 422/485 TERM 4 RM Dual Converters $195
234 RS-232 DB25 RS-232 DB25F 9 SA Modem Eliminator $185
235 V.35 34 Pin F V.35 34 Pin F 7 SA Modem Eliminator $490
236 G.703 RJ-45 V.35/RS-232 DB25 4 SA 64 KBPS G.703 $410
240 RS-232 DB25 V.35 DB25F 13 SA DTE/DCE & LCD $220
242 RS-232 DB25 X.21 DB15 5 SA Power Stealing $148
243 RS-232 DB25 X.21 DB15 5 SA DTE/DCE & LCD $245
245 RS-232 DB25 422/485 DB25 2 SA Opto-Isolated $226
248 V.35 DB25 V.35/232 DB25 10 SA Opto-Isolated $295
253 RS-232 DB9 RS-422 TERM 2 SA Power Stealing $84
256 RS-232 DB25 RS-422 RJ11/TERM 2 SA TD Powered/LCD $95
260 RS-232 DB25 RS-422 TERM 2 SA Power Stealing $96
261 RS-232 DB25 RS-422 DB25 2 SA DG Compatible $82
263 RS-232 DB25 RS-422 TERM 2 SA Power Stealing $70
265 RS-232 DB25 RS-422 TERM 2 SA TD Powered $142
267-12 RS-232 DB25 EIA530 DB25** 13 RM 10CATI,3 CAT II $209
267-34 RS-232 DB25 188-14 DB25 13 RM MIL-STD-188-115-TYPE1 $309
268 RS-232 DB25 RS-232 DB25 4 SA Opto-Isolated $106
272 RS-422 DB25 Fiber ST 2 SA Full Duplex $152
276 RS-485 DB25 Fiber ST 2 SA Half Duplex $152
279 Fiber Multimode Fiber Singlemode 2 SA DC-2.5 MBPS $775
281 RS-422 DB25 RS-422 DB25 4 SA Opto-Isolated $158
282 RS-232 DB25 RS-232 DB25 8 SA Opto-Isolated $195
285 RS-232 DB25 RS-422/485 TERM 2 SA Select 422 or 485 $135
287 RS-232 DB9 RS-422 RJ-12 2 SA 4 KV Isolation $155
290 RS-232 DB25 422/485 RJ-11 2 SA 16 422/485 $695
365 RS-232 DB25 RS-422/485 --- 2 SA AC Powered $148
366 RS-232 DB25 RS-485 TERM 2 SA AC Powered $115
370 AUI DB15 Fiber ST 2 SA Powered by AUI $220
371 10Base-T RJ-45 Fiber ST 3 SA AC Powered $290
372 100Base-T RJ-45 Fiber ST 2 SA AC Powered $349
373 10Base-T RJ-45 Fiber ST 2 SA 10 Base FL compatible $290
374 10Base-T RJ-45 Fiber Singlemode 2 SA 10 Base FL compatible $649
8321 RS-485 Term RS-485 Term 2 DIN Opto Isolated $279
8322 RS-232 Term RS-485 Term 2 DIN Opto Isolated $270
8323 RS-232 Term RS-422 Term 2 DIN Opto Isolated $260



Notes:
*CLOOP is Current Loop
**EIA-530 defines connector signal assignment, not voltage levels



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Bomara Associates Phone: 800.5BOMARA (800.526.6272) Phone: 978.452.2299 Fax: 978.452.1169 3 Courthouse Lane, Chelmsford, MA 01824 USA
email: bobr@bomara.com      web: www.bomara.com
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