Model 7211-RU Remote Unit, Rackmount
The Model 7211-RU Remote Unit, is designed to control the PathWay® Model 7211 Dual Channel DB9 A/B Switch (see Related Products tab) by providing the required contact closure control signals.\
- Two toggle switches control the two DB9 interface A/B switch channels of the Model 7211.
- LED indicators display the current position of each network switch channel.
- A transition from contact CLOSE (down) to OPEN (up) of the toggle switch will cause the channel to switch to A. A transition from contact OPEN (up) to CLOSE (down) of the toggle switch will cause the channel to switch to B.
- Upon power up, the Model 7211 reads the static contact state. If OPEN, switch to position A; if CLOSED, switch to position B. After power up, the unit looks for transitions.
- A single DB9 female Remote port accepts a straight through DB9 cable.
- Dimensions: 19" W x 1.75" H x 8" D. (48.3 x 4.4 x 20.3 cm)
APPLICATION: The diagram illustrates a dual channel DB9 A/B Switch sharing a COMMON device between two devices connected to the A and B ports for each channel. Each channel is an independent function. The DB9 Remote controls the switch using contact closure transition signals. Model 7211-RU is designed to connect to the DB9 port using a straight through DB9 female to male cable, Cat No. 990125.
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