This product is no longer available and has been replaced by: COM220. Some accessories, replacement parts, or services may still be available.
Imagem Não Disponível
| Services Available | |
|---|---|
| Repair | No |
| Calibration | No |
| Free Support | No |
Visão Geral
The COM200 was designed for remote use in field applications. It provided low power usage in both active and quiescent modes, and a wide operating temperature range.
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Descrição Técnica
The COM200 was designed for remote use in field applications. The COM200 was similar to its predecessor, the DC112, in compatibility and operation but supported data transfer rates of 9600, 1200, and 300 bps between data logger and PC.
COM200 History
Serial numbers greater than or equal to 2989 (shipped before or on 20 November 1998) included a dry circuit instead of a wet circuit. This was the last hardware step in cleaning up the communications link for troubled sites. If someone has a COM200 with a serial number less than 2989, that does not mean it is “bad” and needs to come in for repair.
Serial Numbers from 2464 to 2988 (shipped from 14 July 1998 to 19 November 1998) used a new Midcom transformer (CSI p/n 12023). This only helped communication problems in the few cases where there is a poor quality line. When a COM200 comes in under an RMA (for any reason) that has a serial number less than 2464, we replace the old Tamura transformer at no charge. When we do this, the serial number sticker will be changed. It will have the same serial number as before, but the suffix “-MOD” will be added to it. For example, 1060 will be changed to 1060-MOD.
Serial Number greater than or equal to 2344 came with a green power connector that allowed the user to connect the 12 V and GND to the phone modem without using the Power Adapter, p/n 10704.
Especificações
| Standards | Bell 212A, CCITT V.22, V.32bis |
| FCC Registration | B9QUSA-31402-MM-T |
| Operating Voltage | 12 Vdc |
| Active Current Drain | 140 mA |
| Quiescent Current Drain | 100 μA |
| Baud Rate | 300, 1200, 4800, 9600 bps |
| Operation | Full-duplex over standard phone lines |
| Standard Operating Temperature Range | -25° to +50°C |
| Extended Operating Temperature Range | -55° to +80°C |
| Dimensions | 13.2 x 4.3 x 9.1 cm (5.2 x 1.7 3.6 in.) |
| Weight | 0.27 kg (9.5 oz) |
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Compatibilidade
Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.
Data Loggers
| Product | Compatible | Note |
|---|---|---|
| 21X (retired) | ||
| CR10 (retired) | ||
| CR1000 (retired) | ||
| CR10X (retired) | ||
| CR200X (retired) | ||
| CR206X (retired) | ||
| CR211X (retired) | ||
| CR216X (retired) | ||
| CR23X (retired) | ||
| CR295X (retired) | ||
| CR3000 (retired) | ||
| CR500 (retired) | ||
| CR5000 (retired) | ||
| CR510 (retired) | ||
| CR800 (retired) | ||
| CR850 (retired) | ||
| CR9000 (retired) | ||
| CR9000X (retired) |
Additional Compatibility Information
Power Supply
The COM200 required 12 Vdc power on the 8th pin of the CS I/O port. It can receive this power through several methods:
(1) Data loggers—contemporary models automatically supply 12 V on pin 8. The table below shows whether or not older products included 12 V on pin 8.
| 12 V on pin 8 | Product Description |
yes |
CR10X wiring panel (black panel with green terminal blocks) |
no |
CR10WP Wiring Panels (black panel with gray terminal strips, not green) used with CR10s and CR10Xs |
no |
all CR10 silver wiring panels |
yes |
CR23X |
yes |
21X with serial numbers >13,443 |
no |
21X with serial numbers < 13,443 |
yes |
CR500 with serial numbers >1765 |
no |
CR500 with serial numbers < 1765 |
yes |
700X with serial numbers >2779 |
no |
700X with serial numbers < 2779 |
(2) COM200—models with serial number 2334 or higher came with a green power connector on the side next to the phone jack. The 12 V and GND terminals from the data logger were attached directly to the 12 V and GND terminals on the connector. The user needed to supply wires.
(3) Null modems—all contemporary models automatically supply 12 V on pin 8. The table below shows whether or not older products included 12 V on pin 8.
| 12 V on pin 8 | Product Description |
yes |
PS512M with serial numbers >1712 |
no |
PS512M with serial numbers < 1712 |
yes |
CH512R with serial numbers >1075 |
no |
CH512R with serial numbers < 1075 |
yes |
DSP4 with serial numbers >2221 |
no |
DSP4 with serial numbers < 2221 |