---
oid: "1.3.6.1.2.1.10.33.4.1.12"
short-description: "rs232SyncPortMode OBJECT-TYPE"
last-modified: "2021-09-24"
parent-oid: "1.3.6.1.2.1.10.33.4.1"
---

## OID: `1.3.6.1.2.1.10.33.4.1.12`

```asn1
{iso(1) identified-organization(3) dod(6) internet(1) mgmt(2) mib-2(1) transmission(10) rs232(33) rs232SyncPortTable(4) rs232SyncPortEntry(1) rs232SyncPortMode(12)}
```

### Description

```asn1
rs232SyncPortMode OBJECT-TYPE
SYNTAX INTEGER { fdx(1), hdx(2), simplex-receive(3),
simplex-send(4) }
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The mode of operation of the port with respect to the
direction and simultaneity of data transfer.
fdx when frames on the data link can be
transmitted and received at the same
time
hdx when frames can either be received
from the data link or transmitted
onto the data link but not at the
same time.
simplex-receive when frames can only be received on
this data link.
simplex-send when frames can only be sent on this
data link."
DEFVAL { fdx }
```

**Classification:** MIB object for network management

### Supplementary information

Automatically extracted from IETF [RFC 1659](https://www.rfc-editor.org/rfc/rfc1659.html).

### Child OIDs

No child OID

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