General Procedures; G3 Pwb Setup (Uso) - Xerox Telecopier 7033 Service Manual

6.1 General Procedures

6.1.1 G3 PWB Setup (USO)

Figure 1 illustrates the jumper locations on the USO G3 PWB.
Parameters for the jumpers are listed in Table 1.
J2/M2
ON
OFF
ON
OFF
Figure 1. G3 PWB Jumper Location (USO)
Table 1. G3 Jumpers
Jumper Setting
J2/M2 ON *
OFF
J1/M1 ON
OFF *
* Indicates factory setting (default).
6.1, 6.1.1, 6.1.2
Modem PWB
J1/M1
G3 PWB
Description
Ring sensitivity at 40 VRMS
Ring sensitivity at 10 VRMS
When shorted, the terminal is
able to switch on key station
lamps. (Indicating line in use.
"A" line shorted
"A" line open
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6.1.2 G3/Coupler PWB Setup (RX)
Figure 2 illustrates the switch and link locations on the RX coupler PWB.
Parameters for the links are listed in Table 1 and switches are listed in
Table 2.
SW1
ON OFF
U1
OFF
J8
ON
ON OFF
ATT1
J6
ON OFF
ON OFF
OFF
ON
J5
J1
OFF ON
Figure 2. Coupler PWB Switch and Link Locations (RX)
6/92
6-2
Coupler PWB
U2
U10
J1
U3
J3
ON OFF
J2
ON
ON OFF
OFF
J4
J14
J15
ON OFF
Telecopier 7032 / 7033 Service Manual
J9
J13
J10
J11
J12
ON OFF