Electro Standards Laboratories Datasheets for Serial Communications Products

Serial communication products are used in industrial and commercial systems to transmit data bit-by-bit, or sequentially, over a single wire. They include serial servers, serial hubs, serial adapters, serial data converters, serial routers, and serial multiplexers.
Serial Communications Products: Learn more

Product Name Notes
USB/DB9 Serial Converter Cable, Male with Male Hardware -- 528693 FEATURES: Convert & connect serial device to USB port. Provides faster data transfer rate compared with standard serial port. Supports mouse, printers, barcode scanner, modems, PDA's, digital camera, ISDN terminal...
Dual Channel RS-530 Switch -- Model 7954 Model 7954 Dual Channel RS-530 Mode-S Solid State Switch, DB25 Interface with Exclusive Automatic Remote Control & Monitoring Utilizes Solid State High Speed Analog Switches for improved reliability. No moving...
A/B Mirror Switch w/ Remote Serial Cntrl -- Model 6270 QuickSwitch® 6270 AB Fiber Optic Network Switch enables a device connected to the COMMON port to access either of two separate Fiber Optic networks via SC duplex ports. Model...
Remotely Controllable Network Switch -- Model 7362 The PathWay® Model 7362 RJ45 10/100 Base-T A/B/C Switch allows the user the capability of sharing one RJ45 device connected to the COMMON port among three other devices connected to...
Breakout Box / Interface Analyzer -- 600 FEATURES: Easily inserted in series between DTE (Data Terminal Equipment) and DCE (Data Com Equipment). 50 Test points to access all 25 pins of both DCE and DTE connector. Test...
Remotely Controllable Automatic Fallback Network Switch -- 4133 DB25 FEATURES: Ideal for fallback applications. The switch ports are transparent to all data. All (25) pins of the DB25 interface are switched. The unit maintains last set position on power...
Remotely Controllable Single Channel Network Switch -- 7392 DB25 FEATURES: Switch to backup automatically via Data Activity or DCD trigger monitor. Switches back when signals restore. The switch ports are transparent to all data. All pins of the DB25...
HP Fiber / RS-232 Converters -- Model 4137 Model 4137 Interface Converter Application: The HP VersaLink Fiber to RS232 Converters are used to connect fiber optic linked terminals to a controller having an RS-232 interface port. While RS-232...
HP Fiber / RS-232 Converters -- Model 4139 Model 4139 Interface Converter Application: The HP VersaLink Fiber to RS232 Converters are used to connect fiber optic linked terminals to a controller having an RS-232 interface port. While RS-232...
8-to-1 DB9 Switch w/Contact Closure -- Model 7301 Model 7301 8-to-1 DB9 Switch with Contact Closure and RS232 Serial Remotes The PathWay® Model 7301 8-to-1 DB9 Switch with both Contact Closure and RS232 Serial Remotes allow the user...
Model 9445 Five-Channel DB9 A/B Network Switch -- Model 9445 Model 9445 Five-Channel DB9 A/B Switch, Manual, Independent Switching, Rackmount Ideal for RS232, RS422, RS485 or ANY application that has a DB9 connector interface. SPECIFICATIONS: PORT CONNECTORS: (3) DB9 female...
2-Channel DB25 A/B Switch -- Model 7229 Each channel of the PathWay® Model 7229 allows the user the capability of sharing a DB25/X.21 BIS Interface device connected to the Common port connector between two other X.21 BIS...
Tri-Channel RS232 DB25 A/B Switch with Telnet -- Model 7347 Each channel of the PathWay® Model 7347 Tri-Channel DB25 A/B Switch allows the user the capability of sharing a single DB25 interface device connected to the COMMON port among two...
Automatic Fallback A/B Switch -- Model 4123 The PathWay® Model 4123 Automatic Sensing Network Switch with Remote Serial control provides a powerful and versatile tool to manage switching requirements. The system affords local and remote access functionality.
2-Channel Interface Converter -- Model 4010 The Model 4010 RS232/RS485 Interface Converter allows communication between devices having RS232 and RS485 interfaces. The Model 4010 is a bi-directional device that converts RS232 level data signals to valid...
Fiber-to-RS485/422/232 Converter -- Model 4149 The Model 4149 media converter is a very high speed ruggedized Fiber to RS485/422/232 interface converter. Typical operating speeds are as follows: Up to 1.5 Mbps for RS232 to fiber...
Fiber-to-RS485/422/232 Converter -- Model 4159 The Model 4159 media converter is a very high speed ruggedized Fiber to RS485/422/232 interface converter. Typical operating speeds are as follows: Up to 1.5 Mbps for RS232 to fiber...
Nine-Channel DB15 Connect / Disconnect Switch -- Model 8462 The Model 8462 Network Switch is comprised of nine individually controlled, manually operated, DB15 Connect/Disconnect switches. When in CONNECT position, that individual channel input is completely connected to its respective...
DB9 3-Position Switch -- Model 9094 The Model 9094 DB9 A/B/C Switch allows the user to access three DB9 devices connected to its A, B, and C ports with one DB9 device connected to its Common...
Dual Channel Network Switch -- Model 9250 The Model 9250 Switch system is comprised of two independent sharing switches efficiently packaged in a 19-inch wide 2U high (3.5") rackmount unit. The network switch functions are described and...
Dual Channel Network Switch -- Model 9251 The Model 9251 Switch system is comprised of two independent sharing switches efficiently packaged in a 19-inch wide 2U high (3.5") rackmount unit. The network switch functions are described and...
DB25 6-Channel A/B Switch -- Model 9258 The Model 9258 Six-Channel RS-530 DB25 A/B Switch, allows the user six independent channels of A/B switch function. The A/B function permits access by either of two devices connected to...
RS-232 DB25 Auto Fallback A/B Switch -- Model 4143 The PathWay® Model 4143 RS232 DB25 Automatic Fallback AB Switch allows the user the capability of sharing a single DB25 interface device connected to the COMMON port among two other...
DB9 A/B Automatic Fallback Switch -- Model 7125 The PathWay® Model 7125 DB9 A/B Automatic Fallback Switch with Contact Control Remote Port, allows the user the capability of sharing a single port interface device connected to the COMMON...
DB25/X.25 BIS Interface A/B Switch -- Model 7231 The PathWay® Model 7231 2-position switch allows the user the capability of sharing a DB25/X.21 BIS Interface device connected to the Common port connector between two other X.21 BIS Interface...
A/B Relay Switch w/ Remote Serial Contrl -- Model 7232 The PathWay® Model 7232 allows the user to switch between two RJ45 interface devices locally or remotely. Red LED's indicate the switch position as well as the front panel access...
Dual Channel RS-530 A/B Switch -- Model 7259 The PathWay® Model 7259 Dual Channel RS-530 2-Position Switch with DB25 Interface, Remote Control and Auto-Switching Functions allows the user two independent channels of AB switch function. The A/B function...
Single Channel DB9 A/B/C Switch -- Model 7270 The PathWay® Model 7270 Single Channel DB9 Interface A/B/C Switch provides single channel switching in a low profile, 19-inch 1U rack unit. The Model 7270 DB9 Switch allows the user...
7272 Single Channel RS-530 A/B Switch -- Model 7272 The PathWay® Model 7272 Single Channel RS530 AB Network Switch with DB25 connector interface supports connections between a single RS530 device or peripheral to be shared between two other devices...
A/B Switch with Remote Management -- Model 7273 The PathWay® Model 7273 Single Channel DB25 A/B Switch provides A/B switching in a low profile, desktop unit. The interface is made up of DB25 female port connectors. The Model...
2-Channel RS530 A/B Switch -- Model M7283 The PathWay® Model 7283 4-Channel A/B Data Network Switch, DB25 Interface with Dual Serial Remote and Power Ports allows the user the capability of sharing a single DB25 interface device...
Single Channel RS232 / RS530 A/B Switch -- Model 7300 A/B The PathWay® Model 7300 Single Channel RS232 / RS530 A/B Network Switch with Fallback and Remote Control Port allows the user the capability of sharing a single port interface device...
Remote Controllable DB25 A/B/C/D Switch -- Model 7330 The PathWay® Model 7330 Remotely Controllable DB25 A/B/C/D Switch allows the user the capability of sharing a single port interface device connected to the “COM” port among four other devices...
RJ45 A/B Switch with Remote Control -- Model 7343 The PathWay® Model 7343 is a CAT5e, RJ45 Interface A/B switch. It provides Category 5e performance. Each of the A, B, and COMMON ports are RJ45. The M7343 data network...
RJ45 100-BASE-T A/B Switch with Remote -- Model 7345 The PathWay® Model 7345 Cat5 RJ45 Interface A/B Switch allows users to connect a workstation or device between two other devices or networks. The switch employs an RJ45 Cat5 connector...
Single Channel RS232 DB25 A/B Switch -- Model 7387 The PathWay® Model 7387 Single Channel RS-232 DB25 A/B Switch with Fallback and Remote Port allows the user the capability of sharing a single port interface device connected to the...
RJ45 A/B Switch with Remote -- Model 7406 The PathWay® Model 7406 RJ45 A/B Network Switch with Remote allows the user the capability of accessing two separate RJ45 ports via the COMMON port. The Model 7406 network switch...
DB25 A/B Switch with Cutoff Position -- Model 7748 The PathWay® Model 7748 RS530 DB25 A/B Switch with Cutoff Position and 10/100BASE-T LAN Telnet Access and GUI, allows the user the capability of sharing a single port interface device...
HP Fiber / RS-485 Converters -- Model 4129 The RS-485 / HP Versalink Fiber Interface Converters are used to connect fiber optic linked terminals to a controller having an RS-485/RS-422 interface port. While RS-485 is a versatile communication...
HP Fiber / RS-485 Converters -- Model 4127 The RS485 / HP Versalink Fiber Interface Converters are used to connect fiber optic linked terminals to a controller having an RS-485/RS-422 interface port. While RS485 is a versatile communication...
Dual-Channel DB9 A/B/C Switch -- Model 9093 With each of its two channels, the Model 9093 DB9 A/B/C Manual Switch allows the user to access three DB9 devices connected to its A, B, and C ports with...
Single Channel DB37 A/B Switch -- Model 7331 The PathWay® Model 7331 Single Channel DB37 A/B Switch allows the user the capability of sharing a single DB37 interface device connected to the COMMON DB37 port among two other...
RS530 DB25 A/B Switch -- Model 7747 The PathWay® Model 7747 RS530 A/B Switch with Cutoff and Remote Control allows the user the capability of sharing a single DB25 interface device connected to the Common port among...
5-Channel DB9 A/B Network Switch, Simultaneous Switching -- Model 9924 Ideal for RS232, RS422, RS485 or ANY application that has a DB9 connector interface. SPECIFICATIONS: PORT CONNECTORS: (3) DB9 female connectors labeled A, B, and COMMON for each of the...
Dual Channel A/B Switch -- Model M7265 A, B and Common ports are transparent to data format and protocol. Switches ALL signal pins. Pins 1(Shield) and 7 (Signal Ground) are bussed through. Local switching via front panel...
DB-9 A/B Switch, with Remote Control -- Model 7200 A, B, and COMMON connectors are DB9. All 9 interface pins are switched. The switch ports are transparent to all data. Front panel pushbutton control or Remote ASCII RS232 Serial...
DB-25 4-Position -- Model 7261 All 25 pins of the DB25 interface are switched. Front panel pushbutton or local control of switch position. Control port for remote control of switch position and front panel lockout.
DB9 RS232 Serial Data Port Sharer -- Model 4441 Allows four data channels, A/B/C/D, to contend for access to one Common port. Front panel LED's display channel scanning status and power status. Signals supported: TD, RD, and SG. Selectable...
DB9 A/B/C/D Manual Switch -- Model 4505 Allows quick connection to any one of four devices from one Common device. High quality sealed switch with self wiping contacts. Transparent to data format. All 9 leads switched. Eliminates...
Dual Channel RS530 A/B Switch -- Model 7248-ESL Channel 1 Port Connectors: (3) DB25 (M/M/F) connectors labeled SECURE, NON-SECURE and COMMON, respectively. Channel 2 Port Connectors: (3) RJ45(F) shielded connectors labeled A, B, and COMMON. Front Panel Control:...
DB25 A/B Switch -- Model 7242DT DB25 (F) ports are transparent to all data. Switch from front panel pushbutton, or remotely via IP Addressable 10-BASE-T port. All 25 pins of the DB25 interface are switched. Switch...
7274 Single Channel RS-530 A/B Switch -- Model 7274 DB25 connectors - A, B, and COMMON ports are all DB25 female connectors. All (25) signal lines of the DB25 RS530 interface connector are switched. Connections through the switch are...
Tri-Channel Switch -- Model 9503 Independently switch each of the three channels manually via three knobs located on the front panel, one knob per channel. Channel 1: DB25 6-Position Switch with (7) DB25 female connectors...
DB9 A/B Switch -- Model 8093 Manually select port from knob located on the front panel. All 9 leads switched simultaneously. DB9 female ports A, B, and Common located on rear panel. High quality switch, utilizes...
Automatic Fallback A/B Switch -- Model M4121 Model 4121 AB switch is ideal for fallback applications Data, handshake, and clock lines of the RS232 interface are supported (1-8 & 20) Front panel LEDs display the connectivity status...
Automatic Fallback A/B Switch -- Model M4145 Model 4145 AB network switch is ideal for automatic fallback applications based on loss of carrier (DCD). Data, handshake, and clock lines of the RS232 interface are supported. Front panel...
Normal/Redundant Fallback Switch -- Model 4148 Model 4148 data network switch will self-configure its connectivity based on the devices connected to it, or the user can override its connection status from a manual front panel pushbutton.
Ruggedized DB25 A/B Switch -- Model 4504 Model 4504 AB manual network switch switches pins 2 to 25 of connector interface, simultaneously. Chassis Ground on pin 1 bussed thru. Ruggedized to withstand vibrations encountered in mobile/motion applications...
A/B Switch with Remote Control -- Model M4520 Model 4520 AB network switch supports switching all 15 signals of the DB15 connector interface. Local switching via front panel pushbutton. (2) Status LEDs, A/B, on the front panel indicate...
Single Channel HD15 A/B Switch -- Model 4521 Model 4521 AB network switch allows a device connected to COMMON port access to the A or B port. Control manually via pushbutton. Control remotely via DB9 Contact Control Remote...
Remotely Controllable AB Relay Switch -- Model M7224 Model 7224 network switch is ideal for remote control switching applications. Front panel switching can be locked out from a PC connected to the Remote port. 19" Rackmount option is...
DB-25 4-Position Switch -- Model 7288
DB-25 4-Position Switch -- Model 7288SS
Pins 1-8 and 20 of the DB-25 interfaces are switched. All DB-25 ports function as DCE ports. Remote commands switch the unit and change lock state. Front panel LEDs display...
2-Channel RS530 A/B Switch -- Model M7282 Remote control via RS232 commands sent via Remote Serial Ports. Switch ports are transparent to all data. Both channels are switched simultaneously. All switched signals are passed via copper contact...
DB9 2-Channel A/B Switch -- Model 7211 Supports (2) independent channels of A/B switch function. All 9 pins of each channel are switched. Local switching via (2) front panel pushbuttons. (4) Status LED's, A/B, on the front...
RS232/RS530 A/B Switch -- Model M7276 Switch to backup automatically via Data Activity or DCD trigger monitor. Switches back when signals restore. The switch ports are transparent to all data. All pins of the DB25 interface...
Remotely Controllable RS-232 4Way Switch -- Model M4440 The Model 4440 PathWay® Remotely controllable RS-232 network switch allows local or at-a-glance access to four devices. Selectable trigger character allows the operator to choose a unique trigger character to...
Remotely Controllable DB25 A/B Switch -- Model M7212 The Model 7212 AB network switch allows an RS232 device that can send ASCII characters to control the switching function of the DB25 interface. Ideal for remote control applications. Switch...
Remotely Controllable RS-232 8Way Switch -- Model M4480 The PathWay® Model 4480 Remotely controllable RS-232 network switch allows local or at-a-glance access to eight devices. Selectable trigger character allows the operator to choose a unique trigger character to...
DB25 2-Position Network Switch -- Model 7350 The switch ports are transparent to all data. T Pins 1-8 and 20 of the DB25 interface are switched. Each channel of this DB25 switch is an individual switch that...
DB9 Interface A/B Switch -- Model 7269V The switch ports are transparent to all data. All pins of the DB9 interface are switched. Pins 1 and 6 use Cat6 cable material. Pins 4 and 5 support 12VDC,...
DB9 A/B Switch, Contact Control -- Model 7277 The switch ports are transparent to all data. The DB9 Remote Control port provides access to remotely switch the unit by dry contact open/close logic. Front panel pushbutton control can...
Triple Channel A/B Switch -- Model 7243 Three channels of A/B Switching: (1) Channel DB37 (2) Channels of DB9 All A/B port connectors are female gender: (2) DB37 (4) DB9 All COMMON port connectors are male gender:...