From 0e28a855177b89360150f3151fec234087c5f719 Mon Sep 17 00:00:00 2001
From: mssonicbld <79238446+mssonicbld@users.noreply.github.com>
Date: Wed, 6 Aug 2025 08:13:14 +0800
Subject: [PATCH] Add abbreviation identifier for Custom Amphenol backplane
 cartridge (#589)

<!-- Provide a general summary of your changes in the Title above -->

#### Description
<!--
 Describe your changes in detail
-->
We need to add XCVR_IDENTIFIER_ABBRV code for Custom Amphenol Backplane Cartridge
https://github.com/sonic-net/sonic-platform-common/blob/4af4791f602e1684ea2aa940b73a50d9c8910f86/sonic_platform_base/sonic_xcvr/codes/public/sff8024.py#L45-L76
```
>>> print("Module type is {}".format(platform_chassis.get_sfp(port_num).get_xcvr_api().get_module_type_abbreviation()))
Module type is Unknown
>>>
```
#### Motivation and Context
<!--
 Why is this change required? What problem does it solve?
 If this pull request closes/resolves an open Issue, make sure you
 include the text "fixes #xxxx", "closes #xxxx" or "resolves #xxxx" here
-->

#### How Has This Been Tested?
<!--
 Please describe in detail how you tested your changes.
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```
>>> print("Module type is {}".format(platform_chassis.get_sfp(port_num).get_xcvr_api().get_module_type_abbreviation()))
Module type is BP
>>>
```
#### Additional Information (Optional)
MSFT ADO - 34111221
---
 sonic_platform_base/sonic_xcvr/codes/public/sff8024.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sonic_platform_base/sonic_xcvr/codes/public/sff8024.py b/sonic_platform_base/sonic_xcvr/codes/public/sff8024.py
index c93b1e4..9f45218 100644
--- a/sonic_platform_base/sonic_xcvr/codes/public/sff8024.py
+++ b/sonic_platform_base/sonic_xcvr/codes/public/sff8024.py
@@ -73,7 +73,8 @@ class Sff8024(XcvrCodes):
         27: 'DSFP',
         28: 'Link-x4',
         29: 'Link-x8',
-        30: 'QSFP+C'
+        30: 'QSFP+C',
+        126: 'BP',  # Backplane Cartridge
     }
 
     CONNECTORS = {