Specifications

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RJ-4

RJM/16x8 Matrix - Rear View

RJM SERIES - RJM SERIES -

RJM SERIES - MODULAR MATRICES

(4 or 8 wire / 16x8 or 32x4)

These are 19" rack mounting chassis, 3.5" high and 16" deep.

Each Mainframe is assembled with power supplies and

motherboards that hold one Control Module and up to 16

RJM Series Switch Modules. Signal connectors are RJ45

jacks. One CL8 Module is required for each Switch Module.

Three different standard matrix configurations are offered:

RJM/2(16x4) MAINFRAMERJM/2(16x4) MAINFRAME

RJM/2(16x4) MAINFRAME

This chassis holds up to 16 RJM/2(1x4) Switch Modules and

forms two separate 16x4 matrices as shown in Fig. 5. Each

matrix has a Bandpass of DC to 30 MHz (-3dB). Crosstalk

between signal pairs is less than -60dB at 20 MHz.

RJM/2(1x4)-4,-8 SWITRJM/2(1x4)-4,-8 SWIT

RJM/2(1x4)-4,-8 SWIT

CH MODULESCH MODULES

CH MODULES

These modules are built with high sensitivity two pole Type

A Armature Relays which insures high isolation among sig-

nal pairs. Modules switching from 2 to 8 pins on RJ45 con-

nectors are available and are defined by the corresponding

part number suffix. Each two pole relay switches one pin

pair on the RJ45 jacks as defined in the EIA/TIA 568 Specifi-

cation - that is, Pins 1&2, 3&6, 4&5, 7&8. Built-in pin jump-

ers allow the switch module to be configured as a single

1x8 Matrix as shown in Fig. 6.

The RJM Series are high Performance, bidirectional, passive Matrices and are designed to switch

high speed communication signals, including T1, E1, DSL and 100Base-T Ethernet. High sensi-

tivity Type A Armature Relays and RJ45 connectors are used to ensure high pair-to-pair isolation,

and attenuation and crosstalk specifications are met. A modularized design is used, and each

Mainframe is built with integrated power supplies, a Control Module and prewired Motherboards.

CL8 Display Modules show switch point status. The RJM Switch Modules are available in ver-

sions switching 2, 4, 6 or 8 wires per the EIA/TIA 568 specification pairs.

Fig. 5

Jumpers

0123

45 6 7

Fig. 6 RJM/2(1x4) Switch Module

012 15

RJM/128 MAINFRAMESRJM/128 MAINFRAMES

RJM/128 MAINFRAMES

CL8 DISPLACL8 DISPLA

CL8 DISPLA

Y MODULESY MODULES

Y MODULES

One Display Module is required for each RJM Switch Module.

These control the switch module and have LEDs that show switch

status.

RJM/128 EXPRJM/128 EXP

RJM/128 EXP

ANSION CHASSISANSION CHASSIS

ANSION CHASSIS

These chassis are the same as the mainframes but are built

without power supplies or a control module. They are controlled

and powered by a MESA Control Chassis as detailed in the MESA

Bulletin.

RJM/16x8 MainframeRJM/16x8 Mainframe

RJM/16x8 Mainframe

This mainframe holds a maximum of 16 RJ/2(1x4) Switch Mod-

ules (each jumpered in a 1x8 configuration) to furnish a 16x8

Matrix. Bandpass is DC to 25 MHz and Crosstalk is less than

-50dB at 20 MHz.

RJM/32x4 MainframeRJM/32x4 Mainframe

RJM/32x4 Mainframe

Bussing together the four output pairs (0A & 0B, 1A & 1B, etc) of

the first two 16x4 matrices shown in Fig. 5, creates a single

32x4 matrix with a Bandpass from DC to 15 MHz and Crosstalk

less than -45dB at 20MHz.

19" rack mount (482.6 mm)

15" depth (381 mm)

3.5" (2 RU) height (89 mm)

15 lbs (6.8 Kg) Max

10 Watts max (110/220 selectable)

Dimensions:

Weight:

AC Power: