Chapter 7 External Cable Installation
SCSI 68 Plug (DCE)
Signal Direction
DB9 Female Plug (Terminal B1)
Pin No.
Conductor
Color
Schematic
Diagram Signal
Name
Conductor
Signal Name
Pin No.
54
M_RX4
<—
TD4
3
SCSI 68 Plug
DB9 Female Plug (Terminal B6)
57
GND5
—
GND5
6
22
M_RTS5
—
59
M_CTS5
—
SCSI 68 Plug
DB9 Female Plug (Terminal B6)
56
M_DTR5
—
25
M_DSR5
—
24
M_CD5
—
GND5
5 (Note 1)
23
M_TX5
—>
RD5
2
58
M_RX5
<—
TD5
3
SCSI 68 Plug
DB9 Female Plug (Terminal B7)
61
GND6
—
GND6
6
26
M_RTS6
—
63
M_CTS6
—
60
M_DTR6
—
29
M_DSR6
—
28
M_CD6
—
GND6
5 (Note 1)
27
M_TX6
—>
RD6
2
62
M_RX6
<—
TD6
3
SCSI 68 Plug
DB9 Female Plug (Terminal B8)
65
GND7
—
GND7
6
30
M_RTS7
—
67
M_CTS7
—
64
M_DTR7
—
33
M_DSR7
—
32
M_CD7
—
GND7
5 (Note 1)
31
M_TX7
—>
RD7
2
66
M_RX7
<—
TD7
3
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SJ-20110803091932-002|2011-08-30 (R2.0)
ZTE Proprietary and Confidential