Sennheiser ASA 1 manual

ASA 1 Antenna Splitter Instruction manual[...]

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1 Contents Important safety instructions ....... ... .............. ............... ........... ...... 2 The ASA 1 active antenna splitter .. ............ ........... .............. ......... 4 Delivery includes .. .............. .............. ............... .............. .............. ...... 4 Operating elements .......... .............. .....[...]

2 Important safety instructions Important safety instructions • Read this instruction manual. • Keep this instruction manual. Always include this instruction manual when passing the device on t o third parties. • Heed all warnings and follow all instruction s. • Clean only with a slightly damp cloth. • Refer all servicing to qualified ser[...]

3 Important safety instructions Intended use of the device Intended use of the ASA 1 includes: • having read and understood this instr uction manual especially the chapter “Im portant safety instructions” on page 2, • using the device wi thin the operating conditio ns and limitations described in this instruction manual. “Improper use” [...]

4 The ASA 1 active antenna splitter The ASA 1 active antenna splitter The ASA 1 active antenna spl itter has been designed to enable routing of UHF antenna signals to several receivers in a multi- channel system. Up to four dive rsity receivers may be supplied with signal by only two antennas. The integral RF amplifiers ensure that the ASA 1 does n[...]

5 Operating elements Operating elements  On/Off button  Operation indicator  Cable grip for cable of mains unit  DC IN socket for connection o f NT 1-1 mains unit  BNC socket RF OUT A RF output only for connection of an additional ASA 1 (to create a 1-to-8 diversity splitter)  Four BNC sockets A1 to A4 RF outputs of diversity sect[...]

6 Operating elements Block diagram The below block diagram (also depicted on the base of the device) shows the signal flow in the device.[...]

7 Putting the ASA 1 into operation Putting the ASA 1 into operation Preparing the ASA 1 for use For table-t op use, fix the device feet to the base of the ASA 1. Do not fit the device feet when mounting the ASA 1 into a 19” rack. 왘 Ensure that the base of the ASA 1 is clean and free from grease before fitting th e device feet. 왘 Fix the devic[...]

8 Putting the ASA 1 into operation Stacking several ASA 1 You can stack the ASA 1 and the re ceivers on top of each other. . 왘 Stack the devices so that the recesses of the stacking elements completely engage with each other. Mounting the ASA 1 into a 19” rack Do not fit the devi ce feet when mounting the ASA 1 into a 19” rack. CAUTION! Dange[...]

9 Putting the ASA 1 into operation For rack mounting the ASA 1, you require (see “Accessories and spare parts” on page 17): • the GA 3 19“ rack adapter Rack mounting one ASA 1 왘 Unscrew and remove the two recessed head scr ews (M4x8) on one side of th e ASA 1. 왘 Hold one rack mount “ear” to the ASA 1. 왘 Secure the rack mount “ea[...]

10 Putting the ASA 1 into operation If you want to front mount the antennas: 왘 Use the optional AM 2 antenna front moun t kit (see “Accessories and spare parts” on page 17). I f y o u w a n t t o u s e r e m o t e a n t e n n a s ( s e e “ A c c e s s o r i e s a n d s p a r e parts” on page 17): 왘 Connect the remote antennas. T o mount[...]

11 Putting the ASA 1 into operation Rack mounting two devices i nto the same 19” slot 왘 Place the two devices (e.g. the ASA 1 and a stationary receiver) side by side upsi de-down onto a flat surface: 왘 Secure the jointing pl ate  to the devices using six recessed head screws (M 3x 6). 왘 Secure the rack mount “ears”  to the devices[...]

12 Putting the ASA 1 into operation Connecting devices to the ASA 1 and switching the ASA 1 on Connecting the antennas 왘 You can connect the following antenna types to the antenna inputs  and  : – two A 103 1-U or A 2003-UHF passi ve antennas – or a combination of passi ve antenna (A 1031-U or A 2003-U) and a ntenna booster (AB 3). Conn[...]

13 Putting the ASA 1 into operation Connecting the ASA 1 to the mains For powering the ASA 1, the connected receivers and two optional antenna boosters, yo u require the NT 1-1 mains unit (see “Accessories and spare parts” on page 17). 왘 Pass the cable of the NT 1-1 mains unit through the cable grip  . 왘 Insert the blue DC connector of t[...]

14 Putting the ASA 1 into operation Making an 8-channel system using the ASA 1 There are two ways to link two ASA 1 together to create a 1-to- 8 diversity splitter: First possibility: T w o antennas supply an 8-channel system * AB-3 antenna boosters are only required for longer antenna cables (from approx. 10 m). AB 3* AB 3* ASA 1 ASA 1[...]

15 Putting the ASA 1 into operation Second possibility: Linking tw o 4-channel systems * AB-3 antenna boosters are only required for longer ant enna cables (from approx . 10 m). AB 3* AB 3* ASA 1 ASA 1[...]

16 Cleaning the ASA 1 Cleaning the ASA 1 왘 Before cleaning, dis connect the ASA 1 from the mains (see page 13). 왘 Only use a slig htly damp cl oth to clean the devi ce. If a problem occurs ... If a problem occurs tha t is not listed in the above table or i f the problem cannot be solved with the proposed solutions, please contact your local Sen[...]

17 Accessories and spare parts Accessories and spare parts The following ASA 1 accessories are available from your Sennheiser partner: Cat. No. Accessory/spar e part 503158 NT 1-1 EU Mains unit for powering the ASA 1, four receivers and two antenna boosters, EU version 503873 NT 1-1 US Mains unit for powering the ASA 1, four receivers and two anten[...]

18 Specifications Specifications Ty p e a p p r o v a l s ASA 1 antenna splitter 2 x 1:4 or 1 x 1:8, active Antenna cable 8 items, 50 cm, BNC Frequency range 500 to 870 MHz at –3 dB Amplification In A – Out A 0 ± 1 dB Amplification In A – Out A1 ... A4 0 ± 1 dB Amplification In B – Out B1 .. . B4 0 ± 1 dB Impedance 50 Ω Operating voltag[...]

19 Manufacturer Declarations Manufacturer Declarations Wa rr a nt y Sennheiser electronic GmbH & Co. KG gives a war ranty of 24 months on this product. Additional warranty con ditions can be found on our websit e at www.sennheiser.com under “Service & Su pport” and “T erms of Wa rr an ty ”. CE Declaration of Conformity This device i[...]

Sennheiser electronic GmbH & Co. KG Printed in Germany Am Labor 1, 30900 W edemark, Germany Publ. 01/09 www.sennheiser.com 532034/A01[...]