Hssi-1 Module Cable (Null Modem Case) - Samsung iBG3026 Installation Manual

ANNEX B. Cable Specifications

HSSI-1 Module Cable (Null Modem Case)

Cable Shape
Cable Signaling and Pinout
Signal
RT (Receive Timing)
CA (DCE Available)
RD (Receive Data
Reserved)
LC (Loopback circuit C)
ST (Send Timing)
TA (DTE Available)
TT (Terminal Timing)
LA (Loopback Circuit A)
SD (Send Data)
GND (Ground)
Loopback
(not connected)
-
Not used
1) Router is + side (DTE). DSU is - side (DCE).
100
Figure A.8 HSSI-1 Module Cable (Null Modem Case)
From Pins
2, 27
3, 28
4, 29
5, 30
6, 31
8, 33
9, 34
10, 35
11, 36
1, 26, 7, 32,
13, 38, 19,
44, 25, 50
12, 37
-
14-18, 20-
24, 39-43,
45-49
1
Direction To Pins
9, 34
8, 33
11, 36
10, 35
6, 31
3, 28
2, 27
5, 30
4, 29
- 1, 26, 7, 32,
13, 38, 19,
44, 25, 50
- -
- 12, 37
- 14-18, 20-
24, 39-43,
45-49
© SAMSUNG Electronics Co., Ltd.
Signal Name
TT (Terminal Timing)
TA (DTE Available)
SD (Send Data)
LA (Loopback A)
ST (Send Timing)
CA (DCE Available)
RT (Receive Timing)
LC (Loopback C)
RD (Receive Data)
GND (Ground)
-
Loopback
(not connected)
Not used