Installation guide

Cabling Specifications A-77
HSSI Cable Pinouts
Table A-28 Null Modem Cable Pinouts
Signal Name
From
Pins
Directio
n To Pins Signal Name
RT (Receive Timing) 2, 27 —> 9, 34 TT (Terminal Timing)
CA (DCE Available) 3, 28 —> 8, 33 TA (DTE Available)
RD (Receive Data) 4, 29 —> 11, 36 SD (Send Data)
LC (Loopback C) 5, 30 —> 10, 35 LA (Loopback A)
ST (Send Timing) 6, 31 —> 6, 31 ST (Send Timing)
TA (DTE Available) 8, 33 —> 3, 28 CA (DCE Available)
TT (Terminal Timing) 9, 34 —> 2, 27 RT (Receive Timing)
LA (Loopback A) 10, 35 —> 5, 30 LC (Loopback C)
SD (Send Data) 11, 36 —> 4, 29 RD (Receive Data)
GND (Ground) 1, 26,
7, 32,
13, 38,
19, 44,
25, 50
1, 26,
7, 32,
13, 38,
19, 44,
25, 50
GND (Ground)
Loopback (not
connected)
12, 37
12, 37 Loopback (not connected)
H5692