Black Box 32144 Manual page 13

MODEM 32144
Appendix C: Connectors, Adapters,
This appendix provides a detailed
description of al modem
connectors, including pin
assignments. It also includes a
description of the modem jumper
functions and a diagram that shows
you where to find the jumpers.
C.1 Connectors and Adapters
The modem includes the following
connectors (labeled on the rear
panel as indicated below):
• DTE—25-pin (DB25) RS-232/D
female cable connector, for
connection to DTE (computer
or terminal)
• DIAG—RJ-45 modular jack
(diagnostic connector), for
diagnostic port control
(optional)
• POWER—Five-pin DIN
connector for AC power
• TX DIAL—RJ-45 modular jack
for connection to a dial line
• RX DIAL—(Ignore "RX DIAL"
label.) RJ-45 modular jack for
alternate leased line
connection (when an 8-pin
connector is required)
176
and Jumpers
in Chapter 2, which explains how
to install the modem and how to
make the connections referred to
above.
connector for optional rack
mounting. When the modem is
rack mounted, the edge connector
performs the functions of all the
connectors listed above (and the
other connectors are not used).
C.1.1 C
For users who need to know
connector pin assignments, this
information is provided in Figure
C-1 (DIAG, TX DIAL, RX DIAL,
LEASED LINE, and PHONE
connectors) and in Table C-1
(DTE interface connector).
• LEASED LINE—RJ-11 modular
jack, for (6-pin) leased line
connection
• PHONE—RJ-11 modular jack,
for connection to a telephone
handset (optional)
These connectors are illustrated
The modem includes an edge
ONNECTOR
P A
IN SSIGNMENTS