{"id":222593,"date":"2025-12-23T18:02:48","date_gmt":"2025-12-23T15:02:48","guid":{"rendered":"https:\/\/t4gstore.com\/shop\/%d9%83%d8%a7%d8%a8%d9%84-%d8%aa%d8%b3%d9%84%d8%b3%d9%84%d9%8a-usb-%d8%a5%d9%84%d9%89-rs232-%d9%85%d9%86-%d8%af%d9%8a%d8%aa%d9%83-%d8%a8%d8%b9%d8%b4%d8%b1-%d9%85%d8%b5%d8%a7%d8%a8%d9%8a%d8%ad-%d8%a5\/"},"modified":"2025-12-29T11:43:52","modified_gmt":"2025-12-29T08:43:52","slug":"%d9%83%d8%a7%d8%a8%d9%84-%d8%aa%d8%b3%d9%84%d8%b3%d9%84%d9%8a-usb-%d8%a5%d9%84%d9%89-rs232-%d9%85%d9%86-%d8%af%d9%8a%d8%aa%d9%83-%d8%a8%d8%b9%d8%b4%d8%b1-%d9%85%d8%b5%d8%a7%d8%a8%d9%8a%d8%ad-%d8%a5","status":"publish","type":"product","link":"https:\/\/t4gstore.com\/ar\/\u0645\u062a\u062c\u0631\/%d9%83%d8%a7%d8%a8%d9%84-%d8%aa%d8%b3%d9%84%d8%b3%d9%84%d9%8a-usb-%d8%a5%d9%84%d9%89-rs232-%d9%85%d9%86-%d8%af%d9%8a%d8%aa%d9%83-%d8%a8%d8%b9%d8%b4%d8%b1-%d9%85%d8%b5%d8%a7%d8%a8%d9%8a%d8%ad-%d8%a5\/","title":{"rendered":"\u0643\u0627\u0628\u0644 \u062a\u0633\u0644\u0633\u0644\u064a USB \u0625\u0644\u0649 RS232 \u0645\u0646 \u062f\u064a\u062a\u0643 \u0628\u0639\u0634\u0631 \u0645\u0635\u0627\u0628\u064a\u062d \u0625\u0634\u0627\u0631\u0629"},"content":{"rendered":"

Function Parameters<\/strong><\/p>\n

1. USB2.0 standard, supports hot plugging, plug and play; compatible with EIA\/TIA RS232 standard.<\/p>\n

2. Support baud rate: 300bps-460800bps.<\/p>\n

3. The product has ten signal status indicators to display the power status, data transmission and reception, transmission direction and the working status of each signal line, which is very convenient for engineers to check the communication status of each signal during debugging.<\/p>\n

4. Support MODEM contact signal, DCD, RXD, TXD, DTR, GND, DSR, RTS, CTS, RI.<\/p>\n

5. Electrostatic ESD protection: \u00b115KV IEC1000-4-2 air gap discharge. #10KV IEC1000-4-2 contact discharge.<\/p>\n

6. Support WinXP, Win7, Win10, Win11, Linux, Mac and other systems.<\/p>\n

7. Adaptable temperature: -20\u00b0C~70\u00b0C. humidity: 5%~95%<\/p>\n

8. Wire material: braided mesh aluminum foil. Double-layer shielding has strong anti-interference ability, and the twisted pair USB data cable has more stable signal transmission<\/p>\n

DB9 Male Connector Pinout & Signal Description<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Pin No.<\/th>\nSignal<\/th>\nDescription<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nDCD<\/td>\nData Carrier Detect<\/strong>\u00a0\u2013 Indicates that the modem has detected a carrier signal.<\/td>\n<\/tr>\n
2<\/td>\nRXD<\/td>\nReceive Data<\/strong>\u00a0\u2013 Receives data from external devices to the computer.<\/td>\n<\/tr>\n
3<\/td>\nTXD<\/td>\nTransmit Data<\/strong>\u00a0\u2013 Sends data from the computer to external devices.<\/td>\n<\/tr>\n
4<\/td>\nDTR<\/td>\nData Terminal Ready<\/strong>\u00a0\u2013 When high, notifies the modem that the computer is ready for data transmission.<\/td>\n<\/tr>\n
5<\/td>\nGND<\/td>\nSignal Ground<\/strong>\u00a0\u2013 Common ground reference for signals.<\/td>\n<\/tr>\n
6<\/td>\nDSR<\/td>\nData Set Ready<\/strong>\u00a0\u2013 When high, indicates the modem is ready for data communication.<\/td>\n<\/tr>\n
7<\/td>\nRTS<\/td>\nRequest to Send<\/strong>\u00a0\u2013 Controlled by the computer to request permission to send data.<\/td>\n<\/tr>\n
8<\/td>\nCTS<\/td>\nClear to Send<\/strong>\u00a0\u2013 Controlled by the modem to allow the computer to send data.<\/td>\n<\/tr>\n
9<\/td>\nRI<\/td>\nRing Indicator<\/strong>\u00a0\u2013 Indicates an incoming call to the computer.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Indicator Light Signals & Functional Description<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Indicator<\/th>\nSignal Name<\/th>\nDescription<\/th>\n<\/tr>\n<\/thead>\n
VCC<\/strong><\/td>\nPower Indicator<\/td>\nLights up when the product is connected to a computer via USB, indicating power is on.<\/td>\n<\/tr>\n
DCD<\/strong><\/td>\nData Carrier Detect<\/td>\nWhen a carrier signal is detected, the DCD signal goes high and the indicator light flashes.<\/td>\n<\/tr>\n
RXD<\/strong><\/td>\nReceive Data<\/td>\nThe indicator light flashes when the product receives data from the connected device.<\/td>\n<\/tr>\n
TXD<\/strong><\/td>\nTransmit Data<\/td>\nThe indicator light flashes when the product sends data to the connected device.<\/td>\n<\/tr>\n
DTR<\/strong><\/td>\nData Terminal Ready<\/td>\nWhen the computer is ready to communicate, the DTR signal goes high and the indicator light flashes.<\/td>\n<\/tr>\n
GND<\/strong><\/td>\nSignal Ground<\/td>\nThe indicator light flashes when the DB9 connector housing is grounded.<\/td>\n<\/tr>\n
DSR<\/strong><\/td>\nData Set Ready<\/td>\nAfter the connected device completes initialization, the DSR signal goes high, indicating it is ready for communication; the indicator light flashes.<\/td>\n<\/tr>\n
RTS<\/strong><\/td>\nRequest to Send<\/td>\nWhen the computer requests to send data, the RTS signal goes high and the indicator light flashes.<\/td>\n<\/tr>\n
CTS<\/strong><\/td>\nClear to Send<\/td>\nWhen the connected device is ready to receive data, the CTS signal goes high, allowing data transmission; the indicator light flashes.<\/td>\n<\/tr>\n
RI<\/strong><\/td>\nRing Indicator<\/td>\nWhen a ringing signal is detected on the communication line, the RI signal goes high and the indicator light flashes.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"
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<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"featured_media":222601,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[1220],"product_cat":[693,752],"product_tag":[],"class_list":["post-222593","product","type-product","status-publish","has-post-thumbnail","product_brand-1220","product_cat-693","product_cat-752","pa_warranty--6-","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/t4gstore.com\/ar\/wp-json\/wp\/v2\/product\/222593","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/t4gstore.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/t4gstore.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/t4gstore.com\/ar\/wp-json\/wp\/v2\/comments?post=222593"}],"version-history":[{"count":0,"href":"https:\/\/t4gstore.com\/ar\/wp-json\/wp\/v2\/product\/222593\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/t4gstore.com\/ar\/wp-json\/wp\/v2\/media\/222601"}],"wp:attachment":[{"href":"https:\/\/t4gstore.com\/ar\/wp-json\/wp\/v2\/media?parent=222593"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/t4gstore.com\/ar\/wp-json\/wp\/v2\/product_brand?post=222593"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/t4gstore.com\/ar\/wp-json\/wp\/v2\/product_cat?post=222593"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/t4gstore.com\/ar\/wp-json\/wp\/v2\/product_tag?post=222593"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}