[. . . ] Insert the connector of the plug-in mains unit into socket on the SI 1013 modulator and pass the cable through the cable grip as shown. [. . . ] note A cable grip is particularly important when the device is permanently rack mounted. Inside the rack there are often a large number of cables ­ a cable grip prevents the cables from pulling each other out. The SI 1013 can be rack mounted into 1 U of a 19" rack by using accessories GA 1031-AM or GA 1031-CC. the GA 1031-CC is a blank module to bring the SI 1013 to full 19" width , the GA 1031-AM is identical but has additional BNC sockets to bring outputs ¾ and to the front panel. Note: "IR Planning Brochure" from Sennheiser Information on the many possible areas of application of Sennheiser infra-red audio transmission systems can be found in the "IR Planning Brochure". This brochure gives detailed information on infra-red transmission technology and contains application examples as well as possible product combinations and overviews for infra-red system planning. Since we are continually trying to improve our products it may happen that technical alterations are made on the described products after this manual has gone to press. 7 A, for powering an SI 1013 modulator and two SZI 1015 power radiators or an SI 1013 modulator and one SZI 1029-24 high power radiator Up to date information on Sennheiser products can also be found on the Internet at "http://www. [. . . ] 7 A, for powering an SI 1013 modulator and two SZI 1015 power radiators or an SI 1013 modulator and one SZI 1029-24 high power radiator Up to date information on Sennheiser products can also be found on the Internet at "http://www. [. . . ]