diff --git a/build/pdp10-ka/config.202 b/build/pdp10-ka/config.202
index ce7bcb6e..ddba652f 100644
--- a/build/pdp10-ka/config.202
+++ b/build/pdp10-ka/config.202
@@ -252,6 +252,8 @@ DEFOPT NNTYS==16.	;# TTYS ON KNIGHT KLUDGE
 ;DEFOPT NNVTTS==0	;# NOVA TTYS (used to have?)
 DEFOPT MTYP==1		;HAS MORTON MULTIPLEX BOX
 DEFOPT NMTYS==16.	;# TTYS ON MORTON BOX
+DEFOPT DPKPP==1		;DATA POINT KLUDGE (TTY mux)
+DEFOPT NDPTYS==16.	;# TTYS ON DATAPOINT KLUDGE
 DEFOPT NSTTYS==8	;# STY'S (PSEUDO-TTY'S)
 
 DEFOPT TEN11P==1	;Rubin 10-11 interface
diff --git a/build/pdp10-ka/run b/build/pdp10-ka/run
index d386f84d..fed712a6 100644
--- a/build/pdp10-ka/run
+++ b/build/pdp10-ka/run
@@ -20,6 +20,9 @@ set dk disabled
 set stk enabled
 set tk enabled
 at tk 10000
+# 10001 reserved for GE bagbiters, hah.
+set dpk enabled
+at dpk 10002
 set mty enabled
 at mty 10003
 set ten11 enabled
diff --git a/src/system/ttytyp.319 b/src/system/ttytyp.320
similarity index 97%
rename from src/system/ttytyp.319
rename to src/system/ttytyp.320
index b22d172a..3d24b077 100644
--- a/src/system/ttytyp.319
+++ b/src/system/ttytyp.320
@@ -183,6 +183,22 @@ MCONDX KA,{				;;; KA
 	TTDAAA 36,SPEED=9600		;T36
 	TTDAAA 37,SPEED=9600		;T37
 	TTDAAA 40,SPEED=9600		;T40
+	TTDAAA 41,SPEED=9600		;T41
+	TTDAAA 42,SPEED=9600		;T42
+	TTDAAA 43,SPEED=9600		;T43
+	TTDAAA 44,SPEED=9600		;T44
+	TTDAAA 45,SPEED=9600		;T45
+	TTDAAA 46,SPEED=9600		;T46
+	TTDAAA 47,SPEED=9600		;T47
+	TTDAAA 50,SPEED=9600		;T50
+	TTDAAA 51,SPEED=9600		;T51
+	TTDAAA 52,SPEED=9600		;T52
+	TTDAAA 53,SPEED=9600		;T53
+	TTDAAA 54,SPEED=9600		;T54
+	TTDAAA 55,SPEED=9600		;T55
+	TTDAAA 56,SPEED=9600		;T56
+	TTDAAA 57,SPEED=9600		;T57
+	TTDAAA 60,SPEED=9600		;T60
 .ENDC ;}
 
 MCONDX EX,{				;;; EX