
Appendix D - Cabling the 
•Terminal emulation and file transfer applications, such as Kermit, Xmodem, Microphone, etc.
•Applications such as PPP using low speed modems.
•Applications such as PPP using high speed modems.
•Applications using CCITT 
Application (see Figure 31): Use RTS/CTS to connect your 
| RTS/CTS Modem Connection | 
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 | Modular Adaptor | 
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| Communication | 
 | Straight Through Cable | 
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| LX Series | 
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| ServerConnector | 
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 | To Modem | |
| Female  | 
 | Male  | Male  | Female  | Male  | Modem connector | 
| Connector | 
 | Connector | Connector | Connector | Connector | Pin Signal | 
| CTS/RING | 1 | 1 | 1 | 1 | 5 | CTS | 
| DTR | 2 | 2 | 2 | 2 | 20 | DTR | 
| XMT | 3 | 3 | 3 | 3 | 2 | XMT | 
| XMTGND 4 | 4 | 4 | 4 | 7 | GND | |
| 
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| RCVGND | 5 | 5 | 5 | 5 | 3 | RCV | 
| RCV | 6 | 6 | 6 | 6 | ||
| DCD | 7 | 7 | 7 | 7 | 8 | DCD | 
| RTS | 8 | 8 | 8 | 8 | 4 | RTS | 
| 
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| 
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 | Straight Through Cable | 
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 | Adaptor Wiring -  | 
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| 
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 | (Female  | 
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Figure 31 - Modular Cables for RTS/CTS Flow Control (Eight-Wire),  Concur-
rent with Modem Control Signalling
| 62 | MRV Communications, Inc. | www.mrv.com | 
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