Alcatel Speed Touch 591s, Техническое руководство пользователя, Страница: 162 / 184

App A. Pin and signal assignments
A-2 Speed Touch 591s Technical Practices
90-8785-01 February 2001
This appendix contains details of the pin and signal assignments on the Speed Touch
591s user and T1/E1 ports.
The user port on the Speed Touch 591s has a unidirectional driver, presenting a fixed
DCE gender.
Table App A-1 summarizes all interface, gender, clocking, cable, and connector
configurations supported.
Figure App A-1 shows the viewpoints used in the pin and signal assignment figures.
Figures App A-2 to App A-4 identify the pin and signal assignments for the data port
and the connector. Arrows indicate the signal direction with respect to the Speed
Touch 591s.
•
Output drivers (generators) have an arrow pointing away from the port.
•
Input drivers (loads) have an arrow pointing toward the port.
•
Grounds (common returns) have only a signal name (no arrow).
•
Unused pins have neither a name nor an arrow (leave unconnected).
Table App A-1 Speed Touch 591s configuration summary and cable selection
Notes
(1)
Gender presented to the attached data device.
(2)
Type of physical connector presented to the attached data device.
(3)
TIA/EIA-449 signals use V.36 mnemonics.
Figure App A-1 Viewpoints used in pin and signal assignment figures
Interface Gender
(1)
Clocking Cable part
number Cable connector
(2)
Figure
reference
V.36/TIA/EIA-449
(3)
DCE Slave-locked or
external-locked 90-3576-01 DB37 female A-2
V.35 DCE Slave-locked or
external-locked 90-3577-01 M34 female A-3
X.21 DCE Slave-locked 90-3578-01 DB15 female A-4
15137
ST591s
Data cable
connection at
customer
premises end
Data
cable
CPE
User
port