Configuring The Hardware Dip Switches - Patton electronics 1089/C User Manual

3 3 . . 0 0 C C O O N N F F I I G G U U R R A A T T I I O O N N
The Model 1089 is equipped with two sets of eight DIP switches,
which allow configuration of the unit for a wide variety of applications.
This section describes switch locations and explains all possible con-
figurations.

3.1 CONFIGURING THE HARDWARE DIP SWITCHES

The 16 external switches are grouped into two eight-switch sets,
and are externally accessible from the underside of the Model 1089
(See Figure 1).
Front
S2
S3
Off
Back
Figure 1. Underside of Model 1089, Showing Location of DIP Switches
The two sets of DIP switches on the underside of the Model 1089
will be referred to as S2 and S3. As Figure 2 shows, the orientation of
all DIP switches is the same with respect to "ON" and "OFF" positions.
ON
Figure 2. Close Up of Configuration Switches (all sets are identical in appearance)
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On
OFF
3.1.1 Configuration DIP Switch Set "S2"
The configuration switches on S2 allow you to specify the Clocking
Mode and to enable/disable Local and Remote Loop requests from the
V.35 DTE. Default settings of S2 are shown in the table below.
S2 SUMMARY TABLE
Position Function
S2-1 Reserved
S2-2 Reserved
S2-3 Reserved
S2-4 Reserved
S2-5 Reserved
S2-6 Clock Mode
S2-7 Clock Mode
S2-8 Enable Loop from DTE
Switch S2-1, S2-2, S2-3, S2-4, and S-5:
Reserved for factory use and must remain in the OFF position.
Switches S2-6 and S2-7: Clock Mode
Use Switches S2-6 and S2-7 to configure the 1089 for internal,
external, or receive recover clock mode.
CO/CP
Unit S2-6 S2-7 Clock Mode
CO On On Internal
CO Off On External (DTE)
CP On Off Receive Recover
Off Off
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Factory Default
Off
Off
Off
Off
On
Receive
On
Off Recover
Off Disabled
Description
Transmit clock
generated inter-
nally
Transmit clock
derived from
terminal inter-
face
Transmit clock
derived from the
received line
Reserved