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Fiber Optic Data Communications 
Multiplexers
MODEL LTRM19X |
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Model LTRM191 /192 / 195/
196
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Universal 19" Rackmount
Card Cages
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- 1U High (1.75") - LTRM195/196
- 4U High (7") - LTRM191/192
- Dual Power Capability with Automatic
Switchover in the Event of Failure (currently
available on LTRM191/192)
- Universal Switching Power Supply Accepts
90 to 264VAC (47 to 63 Hz)
- Optional 24VDC and -48VDC Power Supply
- Overload & Short-Circuit Protection
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Application
The LTRM19 Card Cages are designed with sturdy
construction to house LT products in standard
19" racks.
Description
The LTRM191/192 Universal Rack Mount Card Cages
can hold up to 10 single multiplexer or modem
type cards, or up to 5 double-mux or double-modem
type cards. In general, the LTRM191 is used for
multiplexers and the LTRM192 for modems.
The LTRM195/196 Universal Rack Mount Card Cages
can hold up to 2 single multiplexer or modem type
cards, or 1 double-mux or double-modem type cards.
In general, the LTRM195 is used for multiplexers
and the LTRM196 for modems.
The LTRM191/192 can operate with one power supply
or dual load sharing power supplies. The AC power
supply automatically adjusts for 90 to 264 VAC
input and 47 to 63 Hz operation. The DC power
supplies accepts -48VDC or 24VDC input. The AC
and DC power supplies can be mixed in the same
unit. The dual load-sharing power supplies feature
automatic switchover in the event of a power failure.
The Power switch and its LED are located on the
front panel. The chart below shows the dimensions
and power supplies of each card cage:
Specifications |
| Model |
Width |
Height |
Depth |
Power Supply |
| LTRM191 |
19 in.
(48.26 cm) |
7 in. (4U)
(17.78 cm) |
9 in.
(22.86 cm) |
Single or Dual 115/240VAC, 24VDC,
-48VDC |
| LTRM192 |
19 in.
(48.26 cm) |
7 in. (4U)
(17.78 cm) |
5.25 in.
(13.34 cm) |
Single or Dual 115/240VAC, 24VDC,
-48VDC |
| LTRM195 |
19 in.
(48.26 cm) |
1.75 in. (1U)
(4.45 cm) |
9 in.
(22.86 cm) |
Single 115/240VAC, 24VDC, -48VDC |
| LTRM196 |
19 in.
(48.26 cm) |
1.75 in. (1U)
(4.45 cm) |
5.25 in.
(13.34 cm) |
Single 115/240VAC, 24VDC, -48VDC |
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