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TC8116
User's Manual
Rev. 5.6D
Appendix A - 19" Rack & Power Card
Features
p
4 U height (7")
p
Dual Power Capability (Automatic Switchover in the Event of Failure)
p
Universal Switching Power Supply Accepts 90V to 264V AC and 47 to 63 Hz AC
p
Optional -48VDC Power Supply Available
p
Overload & Short Circuit Protection
Description
The TCRM191 and TCRM192 Universal Rack Mount Card Cages hold up to 10 single multiplexer or modem
type cards, or up to 5 double-mux or double-modem type cards. In general, the Model TCRM191 is used
for multiplexers and the Model TCRM192 for modems.
Both can operate with one power supply or dual load-sharing power supplies. The AC power supply
automatically adjusts for 90V to 264V AC input and 47 to 63 Hz operation. The DC power supply accepts
-48VDC input. Both AC and DC power supplies can be mixed in the same unit.
The dual power supplies feature automatic switchover in the event of a power failure. The Power switch
and its LED are located on the front panel.
Both rack assemblies are 19" wide by 7" high. The TCRM191 is 9" deep, while the TCRM192 is 5.25" deep.
Figure 18. TCRM191/192 Rack Mount Card Cage
19” Card Cage (19” x 9” or 19” x 5”)
17.0”
5.
25
”
5.
9
6”
6.
40
”
6.
9
6”
4
.0
”
2.25”
19.0”
0.250”
x
0.562”
slot
1.25”
