Xerox Telecopier 7033, Руководство по обслуживанию

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