15
16
are user configurable.
The table below provides an overview of interface strap functions
for the rear interface cards. Following the table overview are detailed
descriptions of each strap’s function.
DTE Shield (DB-15 Pin 1) & FRGND (JB3)
In the connected position, this strap links DB-15 pin 1 & frame
ground. In the open position, pin 1 is disconnected from frame ground.
JB3
Position 1&2 = DTE Shield (Pin 1) and FRGND Connected
Position 2&3 = DTE Shield (Pin 1) and FRGND Not Connected
SGND & FRGND (JB4)
In the connected position, this strap links DB-15 pin 8 (Signal
Ground) and frame ground through a 100 ohm resistor. In the open
position, pin 8 is connected directly to frame ground.
JB4
Position 1&2 = SGND (Pin 8) and FRGND Connected through
a 100 ohm resistor
Position 2&3 = SGND (Pin 8) and FRGND Directly Connected
3.3 SOFTWARE CONFIGURATION
The NetLink-T1™ rack card features a VT100 menu-driven system
that may be used for local configuration and management. Cards are
configured and managed by setting a separate address for each card
using hardware switches and then accessing each card using a rack
mounted NetLink Model 1001CC control card . The software manage-
ment system is described below. For more information on the Model
1001CC, please refer to the Model 1001CC user manual.
3.3.1 Setting the Card Address
The 2710RC contains two rotary switches (S3 and S4) which are used
to set the address of the card. Figure 8, below, shows a close-up of
S3 and S4 and the addressable digits.
Switches S3 and S4: Card Address
Switches S3 and S4 are used to set the address of the card.
Switch S4 is the tens place digit and S3 is the ones place digit.
Following are examples of address settings
(Default Address= “00”)
S4
S3
RDL Type
0
4
Card Address = 04
5
2
Card Address = 52
8
6
Card Address = 86
3.3.2 Accessing the Menu System
1) Set the Card Address as described in Section 3.2.1.
2)
Power up the terminal and set its RS-232 port as follows:
9600 Baud
8 data bits, 1 stop bit, no parity
Local echo off
ANSI or VT-100 emulation
0
1
9
6
7
2
8
3
4 5
0
1
9
6
7
2
8
3
4 5
S3
S4
Figure 8. Close-Up of Switches S3 and S4
NOTE: The Model 1001CC uses an internal bus to communicate
with the 2710RC. When using software configuration, the rear
card for the 2710RC should be configured with FRGND and
SGND connected. Please see section 3.2 for more information
on configuring your rear card.
INTERFACE CARD STRAP SUMMARY TABLE #3
Strap
Function
Position 1&2
Position 2&3
JB3
DTE Shield (Pin1) & FRGND
Connected*
Open
JB4
FRGND & SGND (Pin 8)
Connected*
Open
* Indicates default setting