Black Box Local Mux-6 Spécifications

MAY 1998MX873AMiniature Local Mux-12CUSTOMER SUPPORT INFORMATIONOrder toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)FREE te

9MINIATURE LOCAL MUX-12Temperature—32 to 122°F (0 to 50°C)Humidity—Up to 95%, noncondensingPower Consumption—Input: 110 VAC, Output: 200 mA@ 9 VDCSize

10MINIATURE LOCAL MUX-122. Introduction2.1 GeneralThe Miniature Local Mux-12 is a time-divisionmultiplexor that enables up to 12 terminals to bemultip

11MINIATURE LOCAL MUX-12NOTEWhenever possible (when the number of channels is 6 orless), we advise operating the Mux in the 6-channel mode,which resul

12MINIATURE LOCAL MUX-12Figure 2-1. Typical point-to-point installation.For installations involving clusters of terminalsdistributed in several locati

13MINIATURE LOCAL MUX-12Figure 2-2. Typical ring installation.HostTerminalsTerminalsMiniatureLocal Mux-12MiniatureLocal Mux-12Miniature LocalMux-12

14MINIATURE LOCAL MUX-123. Installation3.1 GeneralThis chapter provides the information you need toimplement the mechanical and electrical installatio

15MINIATURE LOCAL MUX-121. Open the top half of the plastic case by squeezingthe marked places on the sides.2. Strap the multiplexor for 6 or 12 sub-c

16MINIATURE LOCAL MUX-12of one unit should be connected to the ReceivePair of the other unit, and vice versa. All LEDsshould be “OFF” (with the except

17MINIATURE LOCAL MUX-12Table 3-1. Sub-channel connector pin assignments.CCITT V.24 EIA RS-232C Pin No. Signal Name Description102 AB 7 Signal Ground

18MINIATURE LOCAL MUX-12Figure 3-1. RJ-45 socket (female) external view.1 8

1MINIATURE LOCAL MUX-12FEDERAL COMMUNICATIONS COMMISSIONANDINDUSTRY CANADARADIO FREQUENCY INTERFERENCE STATEMENTSThis equipment generates, uses, and c

19MINIATURE LOCAL MUX-12Figure 3-2. RJ-45 plug (male) clip at rear.1 8

20MINIATURE LOCAL MUX-124. Operation4.1 GeneralThis chapter contains a list of the Mux-12’s indicators,their functions and operating procedures. Insta

21MINIATURE LOCAL MUX-12the remote Mux is still not operational, the SYNC LOSSindicators should be lit.4.3.2 OPERATIONThe Mux operates entirely unatte

22MINIATURE LOCAL MUX-125. Diagnostics5.1 Remote LoopbackRemote loopback can be performed by the Mux-12when operated in conjunction with the single-po

23MINIATURE LOCAL MUX-12WARNINGThese service instructions are for use by qualifiedpersonnel only. To avoid shock, do not perform anyservicing other th

24MINIATURE LOCAL MUX-12Appendix: Bracket Assembly1. The Mux is provided with two mounting brackets,which mate with a pair of slots on each end of the

25MINIATURE LOCAL MUX-12Figure A-2. Before mounting the brackets.Figure A-3. After mounting the brackets.

1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746© Copyright 1998. Black Box Corporation. All rights reserved.

2MINIATURE LOCAL MUX-12NORMAS OFICIALES MEXICANAS (NOM)ELECTRICAL SAFETY STATEMENTINSTRUCCIONES DE SEGURIDAD1. Todas las instrucciones de seguridad y

3MINIATURE LOCAL MUX-1210. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calorcomo radiadores, registros de calor, estufas u o

4MINIATURE LOCAL MUX-12TRADEMARKS USED IN THIS MANUALAny trademarks mentioned in this manual are acknowledged to be the property of the trademark owne

5MINIATURE LOCAL MUX-12ContentsChapter Page1. Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71.1 Sub Channels. . . . . .

6MINIATURE LOCAL MUX-12Contents (continued)Chapter Page4. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204.1 General .

7MINIATURE LOCAL MUX-121. Specifications1.1 Sub-ChannelsTransmission Format—AsynchronousMode of Operation—Full duplexData Rate—Up to 19.2 kbpsInterfac

8MINIATURE LOCAL MUX-121.2 Main ChannelTransmission Line—4-wire unconditioned telephonelines (two twisted pairs)Operating Range—1 mile (1.6 km) maximu