ZyXEL Communications U-1496 series Specifikace stáhnout pdf (Strana 9)

INSTALLATION AE/LZB 119 1889 R1A

SIM EQUIPMENT MOUNTING

Use this procedure to mount the SIM equipment in an

existing system. If the SIM equipment was mounted in the

factory, skip this part of the installation instructions.

Mount the SIM equipment in the Basic EDACS cabinet

containing channel 1, (or in the cabinet for the SCAT

channel). The standard mounting position for the SIM

equipment in a 69-inch MASTR III Basic EDACS repeater

cabinet, is shown in Figure 1. When installing the SIM in an

existing system, you may have to improvise. Mounting the

equipment in other locations may require longer cables than

those supplied. The SIM Shelf requires 3 1/2 inches (2 RU)

of vertical rack space. The SIM Modem Shelf (when

needed) requires an additional 5 1/4 inches (3 RU) of

vertical rack space. The DC Fuse Panel (when needed) is

mounted in the back of the cabinet.

SIM Shelf

❏

Turn Off All Power to Cabinet: Before starting the

installation of the SIM, make sure that all Power is removed

from the cabinet where the installation is to take place.

❏

Mount SIM Shelf:

• Mount the SIM Shelf just below the Downlink

GETC Shelf. Fasten the front panel of the SIM

Shelf to the front mounting rails of an enclosed

cabinet using the following hardware:

• (4 ea.) 7160861P33 Tinnerman Clips

• (4 ea.) 19A134011P2 Panel-Mounting Screws

For an open rack, use the following hardware:

• (4 ea.) N663P19008B6 Screw & Washer Asm.

• Use two SXA 120 4303 right-angle brackets to

support the back of the SIM Shelf. Fasten the back

of the shelf to the brackets using the following

hardware:

• (2 ea) SBA 120 040/0080 Screw (M4x8)

• (2 ea) SCL 100 136/24 Lock Washer (M4)

• (2 ea) SCA 101 040/03 Flat Washer (M4)

Downlink GETC

L1 L7L2L3L4L5L6

DC Power Supply

Station GETC

L1 L7L2L3L4L5L6

Station GETC

L1 L7L2L3L4L5L6

1-RU Blank Panel

SIM

SIM Modem Shelf

MASTR III Repeater

Figure 1 - Standard Mounting Location

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 33 34

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ZyXEL Communications U-1496 series Specifikace Strana 9

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