Distributor of VersaLogic Corporation: Excellent Integrated System Limited
Datasheet of VL-CBR-2012 - 20" 24-BIT LVDS CABLE
Contact us: [email protected] Website: www.integrated-circuit.com
Physical Details
VL-EPMs-21 Reference Manual
19
J
UMPER
S
UMMARY
Table 3: Jumper Summary
Jumper
Block
Description
As
Shipped
Page
V1[1-2]
COM1 Rx End-point Termination
In
– 120 Ohm termination active
Out
– No termination
Places terminating resistor across COM1 RS-485 TXRX+/TXRX- or RS-
422 RX+/RX- differential pair.
Out
(Rev. 1.02
and later)
In
(Rev. 1.01
and earlier)
36
V1[3-4]
COM2 Rx End-point Termination
In
– 120 Ohm termination active
Out
– No termination
Places terminating resistor across COM2 RS-485 TXRX+/TXRX- or RS-
422 RX+/RX- differential pair.
Out
(Rev. 1.02
and later)
In
(Rev. 1.01
and earlier)
36
V1[5-6]
COM3 Rx End-point Termination
In
– 120 Ohm termination active
Out
– No termination
Places terminating resistor across COM3 RS-485 TXRX+/TXRX- or RS-
422 RX+/RX- differential pair.
In
36
V1[7-8]
COM4 Rx End-point Termination
In
– 120 Ohm termination active
Out
– No termination
Places terminating resistor across COM4 RS-485 TXRX+/TXRX- or RS-
422 RX+/RX- differential pair.
In
36
V2[1-2]
General Purpose Input Bit
In
– Bit D1 of GPI register reads as 1
Out
– Bit D1 of GPI register reads as 0
In
51
V2[3-4]
CMOS Reset
In
– Normal operation
Out
– Reset CMOS to factory defaults
Removing this jumper and restarting the VL-EMPs-21 causes CMOS to
be restored to factory defaults.
In
22
V3[1-2]
RTC Reset
In
– Reset RTC
Out
– Normal operation
Out
22
V3[2-3]
Jumper Storage
In
–
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26 / 64
