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Switching the Power Supply On and Off
The power switch is located on the front panel. When plugged in
and switched on, a red front panel LED will glow. Since the Model
1000R16P is a “hot swappable” rack,
it is not necessary for any cards
to be installed before switching on the power supply
. The power supply
may be switched off at any time without harming the installed cards.
4.2 INSTALLING THE MODEL 1000RC INTO THE CHASSIS
The Model 1000RC is comprised of a front card and a rear card.
The two cards meet inside the rack chassis and plug into each other by
way of mating 50 pin card edge connectors. Use the following steps as
a guideline for installing each Model 1000RC into the Model 1000R16P
rack chassis:
1. Slide the rear card into the back of the chassis along the metal
rails.
2. Secure the rear card using the metal screws provided.
3. Slide the front card into the front of the chassis. It should meet the
rear card when it's almost all the way into the chassis.
4. Push the front card
gently
into the card-edge receptacle of the rear
card. It should “click” into place.
5. Secure the front card using the thumb screws.
Note: Since the Model 1000R16P chassis allows “hot swapping”
of cards, it is not necessary to power down the rack when you
install or remove a Model 1000RC.
4.3 RS-232 CONNECTION
The RS-232 ports are always the
lower
ports on the interface card.
The 10-pin RJ-45 is pinned according Patton's Modified Modular
Interface Standard (based on the EIA/TIA-561Standard). For specific
interface pin-outs, please refer to the diagrams in Appendix D.
(continued)
9
Notice! Any terminal cable connected to the Model
1000RC must be shielded cable, and the outer shield must
be 360 degree bonded–at both ends–to a metal or
metalized backshell.
The Model 1000RC is wired as a DCE (Data Communications
Equipment). Therefore, it wants to connect to a DTE (Data Termination
Equipment). If your RS-232 output device is a DTE, you may need to
use a special cable (such as a DB-25 to modular cable). If your
RS-232 output device is DCE, you will require a null modem
connection. Call Patton Technical Support at (301) 975-1007 for
specific installation instructions.
4.4 TWISTED PAIR CONNECTION
The Model 1000RC operates full duplex over two twisted pair.
In
all
applications, the twisted pair wire must be 26 AWG or thicker,
unconditioned, dry, metallic wire. Both shielded and unshielded wire
are satisfactory. Note: The Model 1000RC can only be installed on
private twisted pair cable. Dial-up analog circuits, such as those used
with a standard Hayes-type modem, are
not acceptable.
For further
information about acceptable wire grades, please refer to the diagrams
in Appendix B.
4.4.1 POINT-TO-POINT TWISTED PAIR CONNECTION
The 6-position RJ-11 and 8-position RJ-45 jack options for the
Model 1000RC–always the
upper
jack on the rear interface card–are
prewired for a standard TELCO wiring environment (See Appendix D
for pin number orientations). Connection of a 4-wire twisted pair circuit
between two or more Model 1000RCs requires a
crossover cable
as
shown in the following charts.
RJ-1
1 Cable
SIGNAL PIN# PIN# SIGNAL
GND
†
1-----------------------6 GND
†
RCV- 2-----------------------4 XMT-
XMT+ 3-----------------------5 RCV+
XMT- 4-----------------------2 RCV-
RCV+ 5-----------------------3 XMT+
GND
†
6-----------------------1 GND
†
(continued)
10
Notice! Any modular twisted pair cable connected to
the Model 1000RC must be shielded cable, and the outer
shield must be properly terminated to a shielded modular
plug on both ends of the cable.