7 firewire/ieee1394 connectors (j13,j14), 1 ieee1394 connector (ieee1394_0) (j14), 2 ieee1394 connector (ieee1394_1) (j13) – Kontron KTHM76-mITX User Manual
Page 45: Firewire/ieee1394 connectors (j13,j14), Ieee1394 connector (ieee1394_0) (j14), Ieee1394 connector (ieee1394_1) (j13), Internal connectors

KTQM77 – KTHM76 Users Guide
KTD-N0850-F Page 45
6.7 Firewire/IEEE1394 connectors (J13,J14)
The KTQM77/mITX (only) support two IEEE Std 1394a-2000 fully compliant ports at 100M bits/s, 200M
bits/s and 400M bits/s.
6.7.1 IEEE1394 connector (IEEE1394_0) (J14)
Note Pull
U/D Ioh/Iol Type Signal PIN
Signal Type Ioh/Iol Pull
U/D Note
-
-
TPA0+
1 2
TPA0-
-
-
-
-
PWR GND
3 4
GND PWR
-
-
-
-
TPB0+
5 6
TPB0-
-
-
1
-
-
PWR +12V
7 8
+12V PWR
-
-
1
key
-
-
NC
-
9 10
GND PWR
-
-
Note 1: The 12V supply for the IEEE1394_0 devices is on-board fused with a 1.25A reset-able fuse.
Signal
Description
TPA0+,TPA0– Differential signal pair A
TPB0+, TPB0– Differential signal pair B
+12V
+12V supply
6.7.2 IEEE1394 connector (IEEE1394_1) (J13)
Note Pull
U/D Ioh/Iol Type Signal PIN
Signal Type Ioh/Iol Pull
U/D Note
-
-
TPA0+
1 2
TPA0-
-
-
-
-
PWR GND
3 4
GND PWR
-
-
-
-
TPB0+
5 6
TPB0-
-
-
1
-
-
PWR +12V
7 8
+12V PWR
-
-
1
key
-
-
NC
-
9 10
GND PWR
-
-
Note 1: The 12V supply for the IEEE1394_1 devices is on-board fused with a 1.25A reset-able fuse.
Signal
Description
TPA1+, TPA1– Differential signal pair A
TPB1+, TPB1– Differential signal pair B
+12V
+12V supply
Internal Connectors