Patton electronic 3040/V35 manual Internal Must Be Selected For

Page 14

PATTON ELECTRONICS CO.

3040/V35

INSTALLATION AND OPERATIONS MANUAL

139001UA

NOTE: Both TX and RX Clock Source Select MUST Be Set !!!!

TX Clock Source Selection (SW17-1,2,3)

TX Clock Source is selected by switch SW17-1, 2 and 3. The following table indicates the source options provided by the 3040/V35 (CTS MD-V.35/TCB). When using the unit in Async Mode, the INTERNAL clock source must be selected.

SW17-1

SW17-2

SW17-3

Source

 

 

 

 

 

 

ON

ON

ON

Master

 

 

 

 

 

 

OFF

ON

ON

Port 1

 

 

 

 

 

 

ON

OFF

ON

Port 2

 

 

 

 

 

 

OFF

OFF

ON

Port 3

 

 

 

 

 

 

ON

ON

OFF

Port 4

 

 

 

 

 

 

OFF

ON

OFF

unused

 

 

 

 

 

 

ON

OFF

OFF

unused

 

 

 

 

 

Internal Must Be Selected For

OFF

OFF

OFF

Internal

 

 

 

 

Async Operation

 

 

 

 

TX Clock Pin Selection (SW17-4)

The primary transmit clock can be derived from either pins Y,AA or pins U,W. If pins Y,AA are to be the source for primary TX Clock, set SW17-4 to ON. If pins U,W are to be the source for primary TX & RX Clock, set SW17-4 to OFF.

RX Clock Source Selection (SW18-4,5,6)

RX Clock Source is selected by SW18-4, 5 and 6. The following table indicates the source options provided by the 3040/V35 (CTS MD-V.35/TCB). If the TXC source is pins U,W, both RXC and TXC will be sourced from pins U,W. When the unit is used in an Async network select INTERNAL as the source of the RX Clock.

SW18-4 SW18-5 SW18-6 Source

ON

ON

ON

Master

 

 

 

 

OFF

ON

ON

Port 1

 

 

 

 

ON

OFF

ON

Port 2

 

 

 

 

OFF

OFF

ON

Port 3

 

 

 

 

ON

ON

OFF

Port 4

 

 

 

 

OFF

ON

OFF

unused

 

 

 

 

ON

OFF

OFF

unused

 

 

 

 

OFF

OFF

OFF

Internal

 

 

 

 

SETUP & INSTALLATION

2-6

Image 14
Contents 3040/V35 Copyright Notice Emission Requirements Contents 3040/V35 3040/V35 3040/V35 3040/V35 Switch 16 All to on JP4 Thru JP7 Open OFF SW15-3 SW15-4 Clocks SW15-5 SW15-6 SW15-7 SW15-8 Rate HS Opt Internal Must Be Selected For DCE Channel Jumper 35 DSU/CSU DB-25 Channel Port is a DTE Master Port is a DCE Channel Port is a DTE Technical Specifications On DB-25 Sales 301 975-1000 Support 301