Cables and Connectors
HSSI Connectors and Cables
115
HSSI Connectors and Cables

The HSSI cables for connecting to the HSSI WanProbe are industry standard

cables. The following table shows the HSSI pinout.

Signal Name + Side Pin No. - Side Pin No. Directio na Router
a. Router is + side (DTE). DSU is - side (DCE).
DSU
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 A-1: HSSI Interface Cable Pinout