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Chapter 5. Peripheral Equipment
Section 300-Installation
5-6 DBS Manual - Revised April 2000 DBS-2.3/9.2-300
Remote Administration Interface (RAI)
Guidelines
• The RAI is a modem card that installs on the SCC card. The card is used to
remotely administer the system through a trunk line.
• Two versions of the RAI card are available. Both versions use 1 Stop bit, 8
data bits, and no parity. The RAI-A card has a fixed baud rate of 300. The
RAI-B card supports both 300 and 1200 baud operation. The following
table shows the transmission rate of each card along with the SCC version
compatibility.
Table 5-2. RAI compatibility
Installation
• Remove the upper cover of the SCC card.
Jumper 1 (J1) on the RAI-B controls the transmission rate. When closed,
the transmission rate is switchable from 300 bps to 1200 bps through
system programming. When open, the rate is fixed at 300 bps.
• Connect the RAI card to the connector on the SCC card.
The RAI-A connects to CN3. RAI-B connects to CN2 and CN3.
• Replace the upper cover of the SCC.
Note:
To adjust the output level of the RAI, set switch 4 as shown in
Figure 5-3.
RAI Version/Part No. Transmission
Parameters
SCC Compatibility
RAI-A (VB-43706) 300 bps, 1 stop bit,
8 data bits, no
parity
SCC-A or SCC-B
RAI-B (VB-43707) 300 bps/1200 bps,
1 stop bit, 8 data
bits, no parity
SCC-B only