Black Box MT160A Manual page 19

MicroCSU/DSU Cards and MicroRacks
ON
1
Figure 3. Close-up of DIP switches showing ON/OFF positions.
T I
ERMINAL NTERFACE
The MicroCSU/DSU supports RS-232 and V.35 terminal interface electrical
specifications by means of an interface driver board. Install this board by observing
the markings "This side up for RS-232," "This side up for V.35," and "Front." (The
arrow should point toward the front panel.)
S S 1
WITCH ET
The configuration switches on switch set 1 (SW1) allow you to specify Line Rate,
Circuit Assurance, Force RTS, Character Length, Data Format, and DSR System
Status. Table 1 (on the next page) summarizes the SW1 switch settings, including
the factory defaults. Following the chart is a description of each switch setting.
Position
Switch SW1-1
Switch SW1-2
Switch SW1-3
Switch SW1-4
Switch SW1-5
Switch SW1-6
Switch SW1-7
Switch SW1-8
Table 1. Summary of switch settings and factory defaults
16
2 3 4 5
SWITCH SET 1 SUMMARY
Function
Line Rate
Circuit Assurance
Force RTS
Character Length
Data Format
DSR System Status
6 7 8
Factory Default
Off
On
On
Off
Off
Off
Off
Off
ON
OFF
56,000 bps
Disabled
Enabled
10-Bit
Synchronous
Disabled