diff --git a/qualang_tools/wirer/instruments/instruments.py b/qualang_tools/wirer/instruments/instruments.py
index f4a507ac..e65696eb 100644
--- a/qualang_tools/wirer/instruments/instruments.py
+++ b/qualang_tools/wirer/instruments/instruments.py
@@ -82,6 +82,12 @@ def add_opx_plus(self, controllers: Union[List[int], int]):
                 channel = InstrumentChannelOpxPlusOutput(con=controller, port=port)
                 self.available_channels.add(channel)
 
-            for port in range(1, NUM_OPX_PLUS_DIGITAL_OUTPUT_PORTS + 1):
+            # add odd first for octave connectivity (top row is more convenient)
+            for port in range(1, NUM_OPX_PLUS_DIGITAL_OUTPUT_PORTS + 1, 2):
+                channel = InstrumentChannelOpxPlusDigitalOutput(con=controller, port=port)
+                self.available_channels.add(channel)
+
+            # then add evens
+            for port in range(2, NUM_OPX_PLUS_DIGITAL_OUTPUT_PORTS + 1, 2):
                 channel = InstrumentChannelOpxPlusDigitalOutput(con=controller, port=port)
                 self.available_channels.add(channel)
diff --git a/qualang_tools/wirer/wirer/channel_specs.py b/qualang_tools/wirer/wirer/channel_specs.py
index 72166d94..22b8af0b 100644
--- a/qualang_tools/wirer/wirer/channel_specs.py
+++ b/qualang_tools/wirer/wirer/channel_specs.py
@@ -147,3 +147,4 @@ def __init__(self, con: int = None, in_port: int = None):
 opx_iq_spec = ChannelSpecOpxPlusBaseband
 opx_iq_octave_spec = ChannelSpecOpxPlusBasebandAndOctave
 octave_spec = ChannelSpecOctave
+opx_dig_spec = ChannelSpecOpxPlusDigital