2.9 Connection of Peripherals
Pager
Only one paging device
CAUTION
An External Paging Jack is a SELV port and should only be connected to an approved SELV device.
PC/Printer (via RS-232C)
The Hybrid
When using special accessories such as cable, the user should use those specified in this installation manual to comply with the limits for a Class B digital device pursuant to the FCC Rules.
Note
Use an
Pin Assignments
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| No. | Signal Name | Function | Circuit Type | ||
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| EIA | CCITT | ||||
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1 | 5 | 2 | RD (RXD) | Receive Data | BB | 104 | |
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3 | SD (TXD) | Transmit Data | BA | 103 | |||
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6 | 9 | 4 | ER (DTR) | Data Terminal Ready | CD | 108.2 | |
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5 | SG | Signal Ground | AB | 102 | |||
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| 6 | DR (DSR) | Data Set Ready | CC | 107 | |
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| 7 | RS (RTS) | Request To Send | CA | 105 | |
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| 8 | CS (CTS) | Clear To Send | CB | 106 | |
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Connection Charts
For connecting a printer/PC with a 9-pin RS-232C connector
Hybrid
Circuit Type | Signal | Pin No. | |
(EIA) | Name | ||
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BB | RD (RXD) | 2 | |
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BA | SD (TXD) | 3 | |
CD | ER (DTR) | 4 | |
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AB | SG | 5 | |
CC | DR (DSR) | 6 | |
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CA | RS (RTS) | 7 | |
CB | CS (CTS) | 8 | |
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Printer/PC
Pin No. | Signal | Circuit Type | |
Name | (EIA) | ||
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2 | RD (RXD) | BB | |
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3 | SD (TXD) | BA | |
4 | ER (DTR) | CD | |
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5 | SG | AB | |
6 | DR (DSR) | CC | |
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7 | RS (RTS) | CA | |
8 | CS (CTS) | CB | |
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Installation Manual
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