TTC T-BERD 107A, Reference Manual

Page: 56 / 261

SECTION 3
3-17
INSTRUMENT
DESCRIPTION
3.3 MAINFRAME — TEST CONNECTIONS
The following connections and switches are
used to connect the T-BERD 107A to the circuit
being tested. Figure 3-3 illustrates the switches asso-
ciated with connecting the T-BERD 107A to a cir-
cuit. Figure 3-3 illustrates the T-BERD 107A top
panel test connections.
•
RX INPUT
switch
7
•
LBO
switch
8
•
RX jack
9
•
TX jack
10
•
REF jack
11
•
VF OUT jack
12
8
7
ERR
INS
BRIDGE
TERM
DSX MON
-7.5
-15.0
-22.5
0
LBO
RX
INPUT
Figure 3-3
Test Connections Related Switches
3.3.1 Test Connection Related Switches
Prior to connecting to the T1 circuit, the T-BERD
107A must be configured to match the type and
location of the T1 circuit. The following switches
should be set prior to connecting to the T1 circuit (see
Figure 3-4).