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Appendix D - Cabling the LX-4000 Series
62
MRV Communications, Inc. www.mrv.com 451-0308
• 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 V.42-compliant modems, or other devices operating at high port
speeds.
Application (see Figure 31): Use RTS/CTS to connect your LX-Series unit to a modem.
Figure 31 - Modular Cables for RTS/CTS Flow Control (Eight-Wire), Concur-
rent with Modem Control Signalling
Communication
Server Connector
Modular Adaptor
To Mode m
Straight Through Cable
Female RJ-45
Connector
Male DB-25
Connector
CTS
DTR
XMT
GND
RCV
DCD
RTS
Male RJ-45
Connector
Male RJ-45
Connector
Straight Through Cable
Adaptor Wiring - MX-350-0180
(Female RJ-45 to male DB-25)
CTS/RING
DTR
XMT
XMTGND
RCVGND
RCV
DCD
RTS
Modem connector
Pin Signal
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
5
20
2
7
3
8
4
Female RJ-45
Connector
RTS/CTS Modem Connection
Communication
Server Connector
Modular Adaptor
To Mode m
Straight Through Cable
Female RJ-45
Connector
Male DB-25
Connector
CTS
DTR
XMT
GND
RCV
DCD
RTS
Male RJ-45
Connector
Male RJ-45
Connector
Straight Through Cable
Adaptor Wiring - MX-350-0180
(Female RJ-45 to male DB-25)
CTS/RING
DTR
XMT
XMTGND
RCVGND
RCV
DCD
RTS
Modem connector
Pin Signal
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
5
20
2
7
3
8
4
Female RJ-45
Connector
RTS/CTS Modem Connection
LX Se rie s
Connector
CTS
MX-151-3027