Path Way® Model 7174 Single Channel RS530 DB25 A/B Switch, with Contact Closure Remote, 24VDC Power
Overview
The PathWay® Model 7174 Single Channel DB25 RS530 A/B Switch with Contact Closure Remote allows a device connected to the "COM" port access to the "A" or "B" port. The PathWay® Model 7174 is enclosed in a 1U, full rack size, all metal, black chassis designed to provide EMI/RFI shielding and fit in a standard 19" rack. The switch may be controlled locally by manually operating the front panel pushbutton or remotely from the DB9 female Remote port located on the rear of the unit. The front panel LED display indicates the switch position and unit power status.
-
Ideal for device-sharing applications; Applicable to any DB25 interface devices.
FEATURES OF THE MODEL 7174 DB25 A/B SWITCH:
- Allows quick connection to any one of two DB25 devices from one COMMON device.
- All (25) pins of the DB25 RS530 interface connector are switched via break-before-make electromechanical relays.
- A, B, and COMMON are DB25 female port connectors.
- Eliminates the need to plug and unplug cables.
- The switch ports are transparent to all data.
- Front-panel pushbutton control.
- Remote Contact Closure control provides dry contact logic to allow the control of the switch position.
- Front panel LED's display switch position and power status.
- The unit maintains last set position on power loss and continues to pass data.
- Upon power up, unit switches based on the state of contact closure.
- Requires customer supplied 24 VDC, 500mA power Input.
- For a similar unit with Wide Range power supply, see PathWay® Model 7274, Cat No 307274.
- For a similar unit with 24 VDC power and no front panel control, see PathWay® Model 7175, Cat No 307175.
- Attractive all metal, black box packaging provides EMI/RFI shielding.
- Custom length DB25 cables available for your switch installation.
TECHNICAL SPECIFICATIONS:
- PORT CONNECTORS: (3) DB25(F) port connectors labeled A, B and COMMON on rear panel.
- REMOTE CONTROL: (1) DB9 (F) REMOTE connector on rear panel allows remote switch control via contact closure.
- FRONT PANEL CONTROL: (1) Pushbutton on front panel allows local control of switch position.
- DISPLAY: (2) LED's indicate switch state and power presence.
- POWER: Requires customer supplied 24 VDC, 500 mA Power Input. A mating power connector is included with the Model 7174.
- DIMENSIONS: Rackmount 19.0" W x 1.75" H x 8.21" D (1U rack height) (48.3 x 4.4 x 20.9 cm)
- WEIGHT: Approximately 4.5 lbs (2.1 kg)
RS530 DB25 A/B SWITCH APPLICATION w/ CONTACT CLOSURE REMOTE CONTROL:
The drawing illustrates a single Channel DB25 A/B Switch. A COMMON device is connected to the DB25 female COMMON port with access to Device A or Device B, connected to the DB25 female ports A and B, respectively. A DB9 REMOTE port is used to control the unit via contact closure signaling.

Ask about our popular Model 900 EIA/TIA RS-530 Interface Analyzer
- Red and Green light emitting diodes indicate status of key signals at the EIA/TIA data interface.
- Easy to use, for fault isolation.
- Electro Standards can supply all your Network Cable requirements.

Ordering Information
- Catalog Number: 307174
- Model Number: 7174
- Base Price: See website or contact us for current pricing and availability.
- Optional Wide-Range power supply: Catalog Number 517277 IEC C14 Inlet, 100-240VAC, 12 VDC
Documentation & Support
- Specification Sheet (PDF) Download Available.
- Product Manual available upon request.
- For custom fiber optic network switch requirements contact our sales support team 401-943-1164 or email eslab@electrostandards.com
- We welcome international inquiries and ship worldwide.
Shipping and Returns 
- Shipped via UPS ground (unless otherwise requested).
- Freight Charges prepaid and added to invoice. We can estimate freight charges for you.
- Return policy: contact us within 30 days of shipment for an RMA number. Items returned without RMA not accepted. Please refer to our full return policy in our Terms and Conditions found on our website.
Electro Standards can supply all your Network Cable requirements. Click here to reach our CABLES, COPPER NETWORK Webpage.
For custom network switches call our friendly customer support staff at 401-943-1164, email eslab@electrostandards.com, or complete our online form: /Products-Custom/Copper-Switch/
All data switches, data communication products, and data acquisition products are subject to a one year warranty against manufacturing defects. The limit of ESL liability is limited to the cost of the ESL product provided.
*Prices online are subject to change and verification.
All ESL products are available for export.
Electro Standards welcomes International inquiries: commutateur d'ordinateur, equipo interruptor, interruttore del calcolatore, interruptor do computador, dator switch.