Specifications

Page 18–2
FOCUS System Manual
2. Unlock the FOCUS chassis.
If the chassis is locked, execute the “Unlock
Configuration” command on the FCS Setup
menu or click on the “Unlock FOCUS
Chassis” speed button .
This puts the chassis — and the 64K module
— into a configurable state.
3. Insert the High Speed Data (64K) Module
into the FOCUS chassis.
Carefully insert the 64K module into the top
and bottom grooves of any open slot on the
FOCUS chassis. Slide it all the way in until it
is well seated in the slot. Lock it into place
using the black ejector clip on the front of the
module.
When you first insert the 64K module, the
red/green status LED is red. If the module is
functional, the status LED turns green within
20 seconds. If the module is non-functional,
the status LED stays red, even after 20
seconds have elapsed.
Figure 18–1.
64V or 64R/G Interface Module Pin Assignments
4. Connect the 64K interface module to the
FOCUS chassis.
Attach the appropriate interface module —
64V or 64R/G — to the rear of the FOCUS
chassis so that it connects to the 64K module.
5. Connect the proper wiring/connector to the
64K interface module.
The pin assignments for the 64V and 64R/G
interface modules are shown in Figure 18-1.
The corresponding pin connections for the
EIA RS-530/422 and CCITT V.35 interfaces
are shown in Table 18-2. Carefully wire a
DB25 male connector for your equipment
(relay, test equipment, etc.). Make sure you
maintain the correct polarity.
18.3.2 Software Settings
Once you have completed the hardware installa-
tion and connections, use the FCS to configure the
64K module. The 64K module has two parameters
that you set, or control, using the FCS: (1) data
rate and (2) interface. You can set the data rate to
either 56 or 64 kbps, and the interface to either
optical or electrical. The default setting is the 64
kbps data rate and the electrical interface.
For instructions on configuring the 64K module,
please refer to the FCS online help facility
(Configuring the FOCUS Channel Modules >
High Speed Data Module (64K)…).
18.4 Specifications
The High Speed Data (64K) module’s technical
specifications are shown in Table 18-1.
The Tx clock connection is an output used for
clocking data into FOCUS on pins 2 and 14;
Rx clock is an output used for clocking data
from FOCUS on pins 3 and 16.
NOTE
2+
14-
3+
16-
15+
12-
17+
9-
1
7
Data into
FOCUS
Data from
FOCUS
TX CLOCK*
RX CLOCK
#
Gnd
*TXCLOCK is an output used for clocking
data into FOCUS on pins 2 and 14.
#RXCLOCK is an output used for clocking
data from FOCUS on pins 3 and 16.
1
14
25
13