Cisco HSSI cable - HD-50 (M) - HD-50 (M) - 3 m CAB-HSI1 Manual De Usuario
Los códigos de productos
CAB-HSI1
3
Installing High-Speed Serial Interface Cables
OL-3435-02
HSSI Interface Cable
Null Modem Cable
shows the HSSI null modem cable CAB-HNUL(=) (Part Number 72-0727-xx).
provides pinouts. The cable has a male DB-50 (SCSI) connector on each end. Refer to
“Connecting the HSSI Cable” on page 4 for connection instructions.
Figure 2
Null Modem Cable Connectors
Table 1
HSSI Interface Cable Pinouts
Signal Name
+ Side Pin No.
– Side Pin No.
Direction
1
Router DSU
1.
Router is + side (DTE). DSU is – side (DCE).
SG (signal ground)
1
26
—
RT (receive timing)
2
27
<—
CA (DCE available)
3
28
<—
RD (receive data reserved)
4
29
<—
LC (loopback circuit C)
5
30
<—
ST (send timing)
6
31
<—
SG (signal ground)
7
32
—
TA (DTE available)
8
33
—>
TT (terminal timing)
9
34
—>
LA (loopback circuit A)
10
35
—>
SD (send data)
11
36
—>
LB (loopback circuit B)
12
37
—
SG (signal ground)
13
38
—>
5 (ancillary to DCE)
14–18
39–43
—
SG (signal ground)
19
44
<—
5 (ancillary from DCE)
20–24
45–49
—
SG (signal ground)
25
50
—
Table 2
HSSI Null Modem Cable Pinouts
Signal Name
From Pins
Direction
To Pins
Signal Name
RT (receive timing)
2, 27
—>
9, 34
TT (terminal timing)
CA (DCE available)
3, 28
—>
8, 33
TA (DTE available)
H5692