---
oid: "1.3.6.1.4.1.637.54.1.25.2.1.4.1.5"
asn1-notation: "{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 637 ltt(54) tsdim(1) opticsimEthMib(25) opticsimEthNEMib(2) opticsimEthNEMibObject(1) opticsIMifMauExtTable(4) opticsIMifMauExtEntry(1) opticsIMifMauExtCrossoverMode(5)}"
description: "opticsIMifMauExtCrossoverMode OBJECT-TYPE "
last-modified: "2026-06-02"
tags: [oid-repository]
---

## OID: `1.3.6.1.4.1.637.54.1.25.2.1.4.1.5` (last updated: 2026-06-02)

```asn1
{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 637 ltt(54) tsdim(1) opticsimEthMib(25) opticsimEthNEMib(2) opticsimEthNEMibObject(1) opticsIMifMauExtTable(4) opticsIMifMauExtEntry(1) opticsIMifMauExtCrossoverMode(5)}
```

### Description

```asn1
opticsIMifMauExtCrossoverMode OBJECT-TYPE 
SYNTAX INTEGER 
MAX-ACCESS read-write 
STATUS current 
DESCRIPTION 
"The opticsIMifMauExtCrossoverMode configures the mode of the positioning 
of trasmitter and receiver respect to the line: 
- automatic, with value equal to 1 (default value) means the positioning 
is performed in automatic way; 
- mdI, with value equal to 2, means tx and rx are as for DCE (e.g. Hub or 
switch); 
- mDIX, with value equal to 3, means they are reverted just as for DTE 
(e.g. PC)."

**Classification**: MIB object for network management

### Child OIDs

No child OID

### Terms of Use

[Terms of use](https://oid-base.com/disclaimer.htm.md)

**Note to implementers:**: The OID repository is constantly updated but does not necessarily store the latest (or most accurate) version of this formal description. For an implementation, it is recommended to search the web for a more recent description. If this is the case, please update the above description.