The LineSelect® Model 9096 DB9 EMAD/OFFLINE/EXTERNAL (A/B/C) Switch allows the user to access two DB9 devices connected to its A (EMAL), and C (EXTERNAL) ports and one “OFFLINE” (B) port, connected by one DB9 device connected to its COMMON port. The unit is manually operated, requiring no power. Port selection is quick and easy via front panel keylock, with the key being removable in the Offline position. The LineSelect® Model 9096R is enclosed in a desktop size enclosure with a 1U full rack size front panel, and an all metal chassis designed to provide EMI/RFI shielding and fit in a standard 19” rack.
• Switch ANY device having a DB9 interface, since all nine pins are switched.
FEATURES OF THE MODEL 9096R KEYLOCK MANUAL SWITCH:
- Manually control via one keylock mechanism located on the front panel - with the key being removable in the Offline position
- Manually operated, no power required.
- All 9 pins switched
- All ports located on the rear panel: (3) DB9 female ports
- Half-Rackmount chassis w/full 19” faceplate, 19” Wide x 1.75” (1U) High x 8” Deep.
- RoHS compliant
- Lifetime warranty against defects on manufacturer parts and labor.
TECHNICAL SPECIFICATIONS:
- PORT CONNECTORS: (2) DB9 female connectors on rear panel labeled EMAD, EXTERNAL, and COMMON.
- FRONT PANEL CONTROL: (1) Keylock Switch on front panel selects EMAD, EXTERNAL, or OFFLINE.
- PIN SWITCHED: 9 pins switched.
- POWER: No power required.
- ENCLOSURE: Aluminum slim rackmount enclosure.
- DIMENSIONS: 19.0" W x 1.75" H x 10.18" D. [48.3 x 3.8 x 25.9 cm]
- WEIGHT: Approximately 4.0 lbs. 1.9 kg)
DB9 KEYLOCK SWITCH APPLICATION: RoHS Compliant
The drawing illustrates a COMMON Device connected to the DB9 port with access to either the EMAL, EXTERNAL, or OFFLINE position. The Network A is connected to the DB9 port "EMAL" and the Network B is connected to the DB9 port "EXTERNAL".

Ordering Information
- Catalog Number: 309096
- Model Number: 9096
- Base Price: See website or contact us for current pricing and availability.
Documentation & Support
- Specification Sheet (PDF) Download Available.
- Product Manual available upon request.
- For custom fiber optic or copper 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.
Private Labeling Option: ESL switches may be Custom/Private Labeled. Ask for quote.
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.