Figure 1-26 Cable Connector Pins - Cisco 15454-DS1-14= - 1.544Mbps Expansion Module Reference Manual

Chapter 1 Shelf and Backplane Hardware
Figure 1-26
Table 1-19
from the EIA backplane to the SCSI connector.
Note Conversion from the back plane's single ended (unbalanced) 75-ohm signal to a differential (balanced)
100-ohm signal happens through the embedded transformer within the SCSI connector. The cable's
shield is connected to the connector shell. This conversion is illustrated in
Table 1-19
Port
#1
FGnd
FGnd
FGnd
#2
FGnd
FGnd
FGnd
#3
FGnd
FGnd
FGnd
#4
FGnd
FGnd
FGnd
#5
FGnd
FGnd
FGnd
#6
FGnd
78-18106-01
Cable Connector Pins
Pin 1
Pin 26
identifies the UBIC-H SCSI connector pin assignments for the DS-1 cables as referenced
UBIC-H DS-1 SCSI Connector Pin Out
SCSI Pin SCSI Pin
1 26
2 27
3 28
4 29
5 30
6 31
7 32
8 33
9 34
10 35
11 36
12 37
13 38
14 39
15 40
16 41
17 42
18 43
19 44
20 45
21 46
22 47
Pin 25
Pin 50
Port
#7
FGnd
FGnd
FGnd
#8
FGnd
FGnd
FGnd
#9
FGnd
FGnd
FGnd
#10
FGnd
FGnd
FGnd
#11
FGnd
FGnd
FGnd
#12
FGnd
Cisco ONS 15454 Reference Manual, R8.5
1.9 UBIC-H Cables
Figure 1-27.
1-47