Model 9928 8-Channel DB9 A/B Switch, Manual, Simultaneous Switching, Rackmount
Switches Eight Channels to an Alternate Path, Simultaneously!
- PORT CONNECTORS: (3) DB9 female connectors labeled A, B, and COMMON for each of the 8 channels.
- FRONT PANEL CONTROL: (1) Rotary Switch on front panel selects A or B position for all 8 channels.
- POWER: No power required. Manually operated.
- DIMENSIONS: Rackmount 19.0" W x 3.5" H x 8.8" D (48.3 x 8.9 x 22.4 cm)
- WEIGHT: Approximately 5.2 lb. (2.4 kg)
8-CHANNEL DB9 A/B SWITCH APPLICATION:
The drawing illustrates eight DB9 COMMON ports connected to a COMMON Device. Each Channel has a COMMON port with access to two other devices, " Device A" and " Device B". All eight channels simultaneously switch from "A" position to "B" position and back from "B" position to "A" position.
- Each of eight channels allows quick connection to any one of two devices from one COMMON device.
- Simultaneously switches all eight channels via front-panel rotary switch.
- High quality sealed switch with self-wiping low impedance contacts.
- Pins 1 thru 8 of the DB9 interface are switched via break-before-make rotary switch. Pin 9 has no connection.
- Transparent to data speed and format.
- Improves computer network efficiency by allowing sharing of peripherals.
- Eliminates the need to plug and unplug cables.
- Attractive all metal black box packaging provides EMI/RFI shielding.
- No external power required. Manually operated.
- Rackmount configuration is standard, height 2U (3.5")
- Lifetime warranty against manufacturing defects.
With each of its eight channels, the Model 9928 DB9 A/B Switch allows the user to access two DB9 interface devices connected to its A and B ports with one DB9 interface device connected to its COMMON port. The eight channels are switched simultaneously via a knob located on the front panel. See the application diagram above. The Model 9928 is enclosed in a 2U, full rack size, all metal black chassis designed to provide EMI/RFI shielding and fit in a standard 19" rack.
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Don't forget to order your DB9 Cables!
|Custom Length DB9 cables available for your switch installation.
State cable length in Feet when ordering.
||DB9 F/F, 9-Conductor Unshielded PVC Cable
||DB9 M/F, 9-Conductor Unshielded PVC Cable
|| DB9 M/M, 9-Conductor Unshielded PVC Cable
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.
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Electro Standards welcomes International inquiries: commutateur d'ordinateur, equipo interruptor, interruttore del calcolatore, interruptor do computador, dator switch.