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INTRODUCTION |
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The TTL33-232-1 is a port-powered
RS-232 to 3.3VDC TTL/CMOS converter, which can be used to
convert RS-232 to 3.3V TTL/CMOS compatible levels and vice
versa. The unit is powered from the RS-232 data line, and
therefore, no external power or RTS, DTR is required. 
spec sheet |
FAQ
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$44.95 |
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FEATURES |
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- Plug and play (hot-pluggable, data format auto-sensing and self-adjusting).
- Port-powered, no external power or RTS, DTR required.
- SMT circuit.
- Built-in static protection circuit (ESD).
- Built-in short circuit protection (TTL data line). |
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SPECIFICATIONS |
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Compatibility: |
EIA/TIA
RS-232C standard and TTL/CMOS 3.3V level |
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Power Source: |
Port power from RS232 data line |
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Current
Consumption: |
Under 10mA |
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Baud Rates: |
300 to 115,200bps (Auto-sensing & Self-adjusting) |
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Distance: |
RS232
side: 16ft (5m); TTL side: 10ft (3m) |
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Connector: |
RS232 Side:
DB-9 Female; TTL Side: DB-9 Male;
Termination
Board: DB-9 Female and a 3-Way Terminal Block |
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Static protection
(ESD): |
Up to 15KV |
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Dimensions (H x W x D): |
0.63 x 1.3
x 3.5 in (16 x 32 x
88 mm) (with Termination Board) |
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Weight: |
1.27 oz (36 g)
(with Termination Board) |
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Operating Temperature: |
14ºF to
122ºF (-10ºC to
50ºC) |
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Operating Humidity: |
Up to 90% RH (no condensation) |
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CONNECTIONS |
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Figure 1:
TTL33-232-1 Connection Diagram |
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