Closes #19134: Allow negative values for interface TX power (#19847)

netbox/dcim/migrations/0209_interface_tx_power_negative.py

@@ -0,0 +1,24 @@
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dcim', '0208_platform_manufacturer_uniqueness'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='interface',
+            name='tx_power',
+            field=models.SmallIntegerField(
+                blank=True,
+                null=True,
+                validators=[
+                    django.core.validators.MinValueValidator(-40),
+                    django.core.validators.MaxValueValidator(127)
+                ]
+            ),
+        ),
+    ]