Specifications

Page 21–2
FOCUS System Manual
Figure 21–1.
64V or 64R/G Interface Module.
4. Connect the 64G interface module to the
FOCUS chassis.
Attach the 64G interface module to the rear of
the FOCUS chassis so that it connects to the
64G module.
5. Connect the proper wiring/connector to the
64G interface module.
The pin assignments for the 64R/G interface
module are shown in Figure 21-1.
The corresponding pin connections for the
G.703 interface is shown in Table 21-1.
Carefully wire a DB25 male connector for
your equipment (relay, test equipment, etc.).
Make sure you maintain the correct polarity.
21.3.2 Software Settings
No software settings are required to install a
G.703 Interface (64G) Module.
21.4 Specifications
The G.703 Interface (64G) Module’s technical
specifications are shown in Table 21-2.
21.4.1 Status Indicators
The module has five status indicators, as shown in
Figure 21-2. The Red/Green status LED is green if
the module is functional and red if the module is
non-functional. The TX DATA green LED, when
lit, indicates that the module is transmitting data.
The RX DATA green LED, when lit, indicates that
the module is receiving data. The RX ALARM red
LED, when lit, indicates the signal input (from
2+
14-
3+
16-
1
7
Data from
FOCUS
Data into
FOCUS
Gnd
1
14
25
13
Table 21–2.
G.703 Interface (64G) Module Specifications.
Table 21–1.
G.703 Interface (64G) Module Pin Connections.
Catalog ID 64G – One 64G channel module
and one 64R/G interface module
Interface CCITT G.703
Data Rate 64 kbps synchronous
Indicators Status LED
TX Data
RX Data
RX alert
Loopback
Connector DB25 Female
Clock Co-directional
FOCUS DB25 G.703
2+
Data Signal Output
14-
3+
Data Signal Input
16-
1, 7 Gnd Signal Ground