...this step . Set the DIP switches on the SP390A - R3 for 2 - or 4 - wire operation . TABLE 1 . SP390A - R3 DIP SWITCHES SWITCH OFF ON 1 TD always enabled ( TD 422 ) TD only enabled during data transmission ( TD 485 ) 2 RD always enabled ( ECHO ON ) R...
...Chassis power supply switches are in the OFF position . User’s Manual 2 . Assure that the 48VDC circuit breaker can supply 3A of current per power supply . 3 . Locate the 48VDC circuit breaker , and switch the 48VDC circuit breaker to the OFF pos...
MediaCento IPX Controller IP - based matrix switching and video wall control . IP - based controller enables full control over the IP - based MediaCento IPX transmitters and receivers and turns the system into an IP - based matrix switch and video w...
...802.3 IEEE standard . switches . A switch - selectable terminator is built in . Network flow control is supported via an auto - selected or 10BASE - T to 10BASE - FL user - selected “ Pause ” function that helps relieve network These media convert...
Quick installation guide for LB9007C - ST - R2 This installation guide gives step - by - step instructions on how to install LB9007C - ST - R2 module into LB9024A - R2 or LB9017A - R3 Selecting a proper plug - in module Fiber Plug - In Modules are a...
Power Supply Module Installation Guide PS7412A — PS7412A - DC — PS7412A - 2 — PS7412A - 2DC — LMC5004AC — LMC5005AC ATTENTION ! This Power Supply Module is for use only in modular chassis from Black Box . The manufacturer is not responsible for any ...
...includes two external switches , one includes diagnostic LEDs . Twisted - pair ports feature a straight - managers of “ silent failures . ” that selects termination on the BNC port and one that selects through / crossover switch . BNC ports featur...