MRV Serial Pinout
Serial port jacks:
The signal assignments of the MRV 8-pin (RJ-45) jacks are shown below:
Source: MRV Communications
The pinout for the Diagnostic Port connector is the same as the other serial connectors.
Note, the crossing of pins 3 and 6 (TXD/RXD) may introduce noise with CAT5 cable, flat ribbon cable is recommended.
MRV Communications provides the following modular adapters for use with LX-series units:
- Female DB-9 (PN MX-350-0308)
- Female DB-25 (PN MX-350-0181)
- Male DB-25 (PN MX-350-0179) - supports RING
- Male DB-25 (PN MX-350-0180) - supports RTS/CTS
MRV serial cables:
Standard default MRV serial cable...
MRV serial cable.
Null Modem cable (NTDU6302)...
|Null Modem cable
MG1010 TTY's to MRV:
Use the following pinout for serial communications between an MRV and the MGU serial ports.
This configuration works for either CPDC, CPPM, or MGC cards. Note, pin 5 is open at the MRV end.
MGU TTY to MRV: 1-1 , 2-2 , 3-7 , 4-4 , 5-3 , 6-6 , and 7-8 .
Using the code above, the MG1010 TTY end is standard 568B. At the MRV Port end, cut the Brown wire, and leave pin 5 open.
ADAN TTY TYPE: MGC, ports 0, 1, 2