普通计算机有RS232接口吗？
\u7535\u8111\u4e0a\u7684RS232\u63a5\u53e3\u9996\u5148\u8981\u77e5\u9053\u4e24\u79cd\u901a\u4fe1\u63a5\u53e3\u7684\u8d44\u6599\uff1a
1.232-C \u662f\u7f8e\u56fd\u7535\u5b50\u5de5\u4e1a\u534f\u4f1aEIA\uff08Electronic Industry Association\uff09\u5236\u5b9a\u7684\u4e00\u79cd\u4e32\u884c\u7269\u7406\u63a5\u53e3\u6807\u51c6\u3002RS\u662f\u82f1\u6587\u201c\u63a8\u8350\u6807\u51c6\u201d\u7684\u7f29\u5199\uff0c232\u4e3a\u6807\u8bc6\u53f7\uff0cC\u8868\u793a\u4fee\u6539\u6b21\u6570\u3002RS-232-C\u603b\u7ebf\u6807\u51c6\u8bbe\u670925\u6761\u4fe1\u53f7\u7ebf\uff0c\u5305\u62ec\u4e00\u4e2a\u4e3b\u901a\u9053\u548c\u4e00\u4e2a\u8f85\u52a9\u901a\u9053\uff0c\u5728\u591a\u6570\u60c5\u51b5\u4e0b\u4e3b\u8981\u4f7f\u7528\u4e3b\u901a\u9053\uff0c\u5bf9\u4e8e\u4e00\u822c\u53cc\u5de5\u901a\u4fe1\uff0c\u4ec5\u9700\u51e0\u6761\u4fe1\u53f7\u7ebf\u5c31\u53ef\u5b9e\u73b0\uff0c\u5982\u4e00\u6761\u53d1\u9001\u7ebf\u3001\u4e00\u6761\u63a5\u6536\u7ebf\u53ca\u4e00\u6761\u5730\u7ebf\u3002RS-232-C\u6807\u51c6\u89c4\u5b9a\uff0c\u9a71\u52a8\u5668\u5141\u8bb8\u67092500pF\u7684\u7535\u5bb9\u8d1f\u8f7d\uff0c\u901a\u4fe1\u8ddd\u79bb\u5c06\u53d7\u6b64\u7535\u5bb9\u9650\u5236\uff0c\u4f8b\u5982\uff0c\u91c7\u7528150pF/m\u7684\u901a\u4fe1\u7535\u7f06\u65f6\uff0c\u6700\u5927\u901a\u4fe1\u8ddd\u79bb\u4e3a15m\uff1b\u82e5\u6bcf\u7c73\u7535\u7f06\u7684\u7535\u5bb9\u91cf\u51cf\u5c0f\uff0c\u901a\u4fe1\u8ddd\u79bb\u53ef\u4ee5\u589e\u52a0\u3002\u4f20\u8f93\u8ddd\u79bb\u77ed\u7684\u53e6\u4e00\u539f\u56e0\u662fRS-232\u5c5e\u5355\u7aef\u4fe1\u53f7\u4f20\u9001\uff0c\u5b58\u5728\u5171\u5730\u566a\u58f0\u548c\u4e0d\u80fd\u6291\u5236\u5171\u6a21\u5e72\u6270\u7b49\u95ee\u9898\uff0c\u56e0\u6b64\u4e00\u822c\u7528\u4e8e20m\u4ee5\u5185\u7684\u901a\u4fe1\u3002
2.RS-485 \u603b\u7ebf,\u5728\u8981\u6c42\u901a\u4fe1\u8ddd\u79bb\u4e3a\u51e0\u5341\u7c73\u5230\u4e0a\u5343\u7c73\u65f6\uff0c\u5e7f\u6cdb\u91c7\u7528RS-485 \u4e32\u884c\u603b\u7ebf\u6807\u51c6\u3002RS-485\u91c7\u7528\u5e73\u8861\u53d1\u9001\u548c\u5dee\u5206\u63a5\u6536\uff0c\u56e0\u6b64\u5177\u6709\u6291\u5236\u5171\u6a21\u5e72\u6270\u7684\u80fd\u529b\u3002\u52a0\u4e0a\u603b\u7ebf\u6536\u53d1\u5668\u5177\u6709\u9ad8\u7075\u654f\u5ea6\uff0c\u80fd\u68c0\u6d4b\u4f4e\u81f3200mV\u7684\u7535\u538b\uff0c\u6545\u4f20\u8f93\u4fe1\u53f7\u80fd\u5728\u5343\u7c73\u4ee5\u5916\u5f97\u5230\u6062\u590d\u3002 RS-485\u91c7\u7528\u534a\u53cc\u5de5\u5de5\u4f5c\u65b9\u5f0f\uff0c\u4efb\u4f55\u65f6\u5019\u53ea\u80fd\u6709\u4e00\u70b9\u5904\u4e8e\u53d1\u9001\u72b6\u6001\uff0c\u56e0\u6b64\uff0c\u53d1\u9001\u7535\u8def\u987b\u7531\u4f7f\u80fd\u4fe1\u53f7\u52a0\u4ee5\u63a7\u5236\u3002RS-485\u7528\u4e8e\u591a\u70b9\u4e92\u8fde\u65f6\u975e\u5e38\u65b9\u4fbf\uff0c\u53ef\u4ee5\u7701\u6389\u8bb8\u591a\u4fe1\u53f7\u7ebf\u3002\u5e94\u7528RS-485 \u53ef\u4ee5\u8054\u7f51\u6784\u6210\u5206\u5e03\u5f0f\u7cfb\u7edf\uff0c\u5176\u5141\u8bb8\u6700\u591a\u5e76\u805432\u53f0\u9a71\u52a8\u5668\u548c32\u53f0\u63a5\u6536\u5668\u3002
\u6240\u4ee5
RS-232-C\u63a5\u53e3\uff08\u53c8\u79f0 EIA RS-232-C\uff09\u662f\u76ee\u524d\u6700\u5e38\u7528\u7684\u4e00\u79cd\u4e32\u884c\u901a\u8baf\u63a5\u53e3\u3002
RS232\u63a5\u53e3\u5c31\u662f\u4e32\u53e3\uff0c\u7535\u8111\u673a\u7bb1\u540e\u65b9\u76849\u82af\u63d2\u5ea7\uff0c\u65c1\u8fb9\u4e00\u822c\u6709 "|O|O|" \u6837\u6807\u8bc6\u3002
\u4e00\u822c\u7684\u53f0\u5f0f\u7535\u8111\u4e3b\u677f\u4e0a\u90fd\u6709\uff0c\u7279\u6b8a\u7684\u50cf\u5c0f\u578b\u7684\u7b14\u8bb0\u672c\u7535\u8111\u6ca1\u6709\uff0c\u4e0a\u7f51\u672c\u5c31\u4e0d\u7528\u8bf4\u4e86\uff0c\u4e00\u822c\u6ca1\u914d\uff0c\u50cf\u6211\u7684\u5b8f\u57fa2420\u5c0f\u672c\u4e5f\u6ca1\u6709\u3002
串口是每个PC机上都有的笔记本大多也都有，不过使用频率很低
一般都用在大型设备上
如果没有可在市面上购买USB转232
价格在40元左右
都有的，包括本本
RS232就是指串口，到现在我还没有看到哪台电脑上没有。。
绛旓細涓鑸绠楁満鐨勪覆鍙ｅ綋鐒舵槸RS232銆備絾涓浜涘伐涓氳绠楁満鍙互閫夋嫨RS485鎺ュ彛銆俁S232鏄釜浜鸿绠楁満涓婄殑閫氳鎺ュ彛涔嬩竴锛岀敱鐢靛瓙宸ヤ笟鍗忎細(Electronic Industries Association锛孍IA) 鎵鍒跺畾鐨勫紓姝ヤ紶杈撴爣鍑嗘帴鍙ｃ傞氬父 RS-232 鎺ュ彛浠9涓紩鑴 (DB-9) 鎴栨槸25涓紩鑴 (DB-25) 鐨勫瀷鎬佸嚭鐜帮紝涓鑸釜浜鸿绠楁満涓婁細鏈変袱缁 RS-232 鎺ュ彛...
绛旓細绗旇鏈ぇ澶氫篃閮芥湁锛屼笉杩囦娇鐢ㄩ鐜囧緢浣 涓鑸兘鐢ㄥ湪澶у瀷璁惧涓 濡傛灉娌℃湁鍙湪甯傞潰涓婅喘涔癠SB杞232 浠锋牸鍦40鍏冨乏鍙
绛旓細璁＄畻鏈洪氳鎺ュ彛涔嬩竴锛岄氬父 RS-232 鎺ュ彛浠9涓紩鑴(DB-9) 鎴栨槸25涓紩鑴 (DB-25) 鐨勫瀷鎬佸嚭鐜帮紝涓鑸釜浜鸿绠楁満涓婁細鏈変袱缁 RS-232 鎺ュ彛锛屽垎鍒О涓 COM1 鍜 COM2銆傝繛鎺ュ櫒浣跨敤鍨嬪彿涓篋B-25鐨25鑺彃澶村骇銆備竴浜涜澶囦笌PC鏈鸿繛鎺ョ殑RS-232鎺ュ彛锛屽洜涓轰笉浣跨敤瀵规柟鐨勪紶閫佹帶鍒朵俊鍙凤紝鍙渶涓夋潯鎺ュ彛绾匡紝鍗冲彂閫佹暟鎹紝...
绛旓細璁＄畻鏈轰覆鍙锛RS232锛夊叡鏈9涓拡鑴氾紝閮芥槸鎸夐『搴忔帓鍒,鍚勪釜閽堣剼鐨勫畾涔夊涓嬶細1銆侀拡鑴1鐨勫畾涔 锛氳浇娉㈡娴(DCD) 锛屾帴鏀剁嚎淇″彿妫鍑(Received Line detection-RLSD)銆2銆侀拡鑴2 鐨勫畾涔夛細鎺ュ彈鏁版嵁(RXD) 锛屼负鎺ユ敹鏁版嵁鐨勫紩鑴氥3銆侀拡鑴3 鐨勫畾涔夛細鍙戝嚭鏁版嵁(TXD) 锛屼负鍙戦佹暟鎹殑寮曡剼銆4銆侀拡鑴4鐨勫畾涔夛細鏁版嵁缁堢鍑嗗...
绛旓細RS232涓插彛瀵逛簬鏅氱敤鎴锋潵璇村緢闄岀敓锛屾瘮杈冩柊鐨勫搴绠楁満閮藉凡缁忓彇娑堜簡杩欎釜鎻掑彛銆備絾鍦ㄥ伐涓氫笂鍜岀數瀛愯涓氫腑锛岃繖涓鍙ｄ娇鐢ㄧ殑杩樻槸姣旇緝棰戠箒鐨勶紝涓嬪浘涓哄父瑙佺殑9閽圧S232鎻掑彛锛堟敞鎰忎笌VGA鎻掑彛鐨勫尯鍒細RS232鎻掑彛閫氬父涓9閽堬紝2鎺4+5鎺掑垪锛涜孷GA鎻掑彛鏈15閽堬紝3鎺5+5+5鎺掑垪锛夛細
绛旓細RS232鎺ュ彛鏄璁＄畻鏈涓婄殑閫氳鎺ュ彛鐨勪竴绉嶃傞氬父 RS-232 鎺ュ彛浠9涓紩鑴氭垨鏄25涓紩鑴氱殑鍨嬫佸嚭鐜帮紝涓鑸绠楁満涓婁細鏈変袱缁 RS-232 鎺ュ彛锛屽垎鍒负 COM1 鍜 COM2銆傚湪杩涜涓茶閫氳鏃讹紝閫氳鍙屾柟閮介渶瑕侀噰鐢ㄥ悓涓涓爣鍑嗘帴鍙ｏ紝浣夸笉鍚岀殑璁惧鍙互鏂逛究鍦拌繛鎺ヨ捣鏉ユ甯搁氳銆RS-232鎺ュ彛灏辨槸鐩墠鏈甯哥敤鐨勪竴绉嶄覆琛岄氳鎺ュ彛銆
绛旓細鎺ュ彛鐨勭墿鐞嗙粨鏋勪笉鍚岋細RS232鎺ュ彛鏄璁＄畻鏈閫氳鎺ュ彛涔嬩竴锛岄氬父RS-232鎺ュ彛浠9涓紩鑴氾紙DB-9锛夋垨鏄25涓紩鑴氾紙DB-25锛夌殑褰㈡佸嚭鐜帮紝涓鑸釜浜鸿绠楁満涓婁細鏈変袱缁凴S-232鎺ュ彛锛屽垎鍒О涓篊OM1鍜孋OM2銆俁S485鏃犲叿浣撶殑鐗╃悊褰㈢姸锛屾牴鎹伐绋嬬殑瀹為檯鎯呭喌鑰岄噰鐢ㄧ殑鎺ュ彛銆傛紨绀烘満鍨嬶細鍗庝负MateBook X 绯荤粺鐗堟湰锛歸in10 1銆佹帴...
绛旓細涓汉璁＄畻鏈涓婄殑閫氳鎺ュ彛涔嬩竴锛岀敱鐢靛瓙宸ヤ笟鍗忎細(Electronic Industries Association锛孍IA) 鎵鍒跺畾鐨勫紓姝ヤ紶杈撴爣鍑嗘帴鍙ｃ傞氬父 RS-232 鎺ュ彛浠9涓紩鑴 (DB-9) 鎴栨槸25涓紩鑴 (DB-25) 鐨勫瀷鎬佸嚭鐜帮紝涓鑸釜浜鸿绠楁満涓婁細鏈変袱缁 RS-232 鎺ュ彛锛屽垎鍒О涓 COM1 鍜 COM2銆
绛旓細杩炴帴COM鍙ｃ備節閽堜覆鍙ｅ嵆RS-232鎺ュ彛锛屼釜浜璁＄畻鏈涓婄殑閫氳鎺ュ彛涔嬩竴锛岀敱鐢靛瓙宸ヤ笟鍗忎細(Electronic Industries Association锛孍IA) 鎵鍒跺畾鐨勫紓姝ヤ紶杈撴爣鍑嗘帴鍙ｃ傞氬父RS-232鎺ュ彛浠9涓紩鑴 (DB-9) 鎴栨槸25涓紩鑴 (DB-25) 鐨勫瀷鎬佸嚭鐜帮紝涓鑸釜浜鸿绠楁満涓婁細鏈変袱缁 RS-232 鎺ュ彛锛屽垎鍒О涓 COM1 鍜 COM2銆
绛旓細rs232鏄釜浜璁＄畻鏈涓婄殑閫氳鎺ュ彛涔嬩竴锛岀敱鐢靛瓙宸ヤ笟鍗忎細鎵鍒跺畾鐨勫紓姝ヤ紶杈撴爣鍑嗘帴鍙ｃRS-232鎺ュ彛绗﹀悎缇庡浗鐢靛瓙宸ヤ笟鑱旂洘鍒跺畾鐨勪覆琛屾暟鎹氫俊鐨勬帴鍙ｆ爣鍑嗭紝鍘熷缂栧彿鍏ㄧО鏄疎IA-RS-232銆傚畠琚箍娉涚敤浜庤绠楁満涓茶鎺ュ彛澶栬杩炴帴銆傝繛鎺ョ數缂嗗拰鏈烘銆佺數姘旂壒鎬с佷俊鍙峰姛鑳藉強浼犻佽繃绋嬨俁S-232鏄幇鍦ㄤ富娴佺殑涓茶閫氫俊鎺ュ彛涔嬩竴銆傜敱浜嶳S232...
