Enterasys X-Pedition 8000/8600 Getting Started Guide
117
SSR-HSSI-02-CK
SSR-HSSI-02-CK
Connectivity Guidelines
Connectivity Guidelines
The SSR-HSSI-02-CK line card uses a 50-pin High Speed Serial Interface (HSSI) connector to link
to a Channel Service Unit/Data Service Unit (CSU/DSU). Enterasys offers a 3-meter (10-foot) 50-
pin HSSI connector cable (part number SYS-HSSI-CAB) to connect SSR-HSSI-02-CK line cards
to remote CSU/DSU modules.
Table 44. SSR-HSSI-02-CK Recommended Cable Types and Specifications
Cable
Type
Max. Length
Connector
HSSI Cable
HSSI
Recommended 3 meters (10
feet) segment length for standard
WAN line card-to-CSU/DSU
data port.
1
1. Connector cables for WAN line cards may be ordered from Enterasys Networks. For detailed information, including part numbers,
see SSR-HSSI-02-CK
on page 117
.
50-pin High Speed Serial
Interface (HSSI) connector; see
SSR-HSSI-02-CK
on page 117
for pin assignments
Table 45. Map for the 50-pin HSSI connector
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
GND
14
(reserved)
26
GND
39
(reserved)
2
RT+
15
(reserved)
27
RT-
40
(reserved)
3
CA+
16
(reserved)
28
CA-
41
(reserved)
4
RD+
17
(reserved)
29
RD-
42
(reserved)
5
LC+
18
(reserved)
30
LC-
43
(reserved)
6
ST+
19
GND
31
ST-
44
GND
7
GND
20
(reserved)
32
GND
45
(reserved)
8
TA+
24
(reserved)
33
TA-
46
(reserved)
9
TT+
22
(reserved)
34
TT-
47
(reserved)
10
LA+
23
(reserved)
35
LA-
48
(reserved)
11
SD+
24
(reserved)
36
SD-
49
(reserved)
12
LB+
25
GND
37
LB-
50
GND
13
GND
38
GND
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