XIB-E Digi International/Maxstream, XIB-E Datasheet - Page 7

• Manufacturer Part Number: XIB-E
• Description: BOARD INTERFACE ETHERNET
• Manufacturer: Digi International/Maxstream

Specifications of XIB-E

• Accessory Type: Interface Board
• For Use With/related Products: XStream and Xcite Radios
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

XStream™ OEM RF Module – Product Manual v5.x00 [2006.02.24]
Table 1‐04. AC Characteristics (SY parameter = 0, symbols correspond to Figure 1‐03 and Figure 1‐04.)
Symbol
T
T
T
T
1.5. Electrical Characteristics
TX
TL
RL
ST
Latency from the time data is
Channel Initialization Time
transmitted until received
Time that
Time that RX LED pin is
1.5.1. Timing Specifications
Description
driven high
Figure 1‐03. System Block Diagram
Basic wireless link between hosts
The data flow sequence is initiated when the first byte of data is received in the DI Buffer of the
transmitting module (XStream Module A). As long as XStream Module A is not already receiving
RF data, data in the DI Buffer is packetized, then transmitted over-the-air to XStream Module B-0
Figure 1‐04. Timing Specifications (“A” and “B” refer to Figure 1‐03.)
© 2006 MaxStream, Inc. Confidential and Proprietary
driven low
/PWR pin is
19200 baud rate
(32 byte packet)
54.0 ms
13.6 ms
35.0 ms
8.4 ms
(B=number of bytes)
T = 41.6 + (0.4 * B) ms
T = 3.24 + (0.4 * B) ms
T = 0.79 + (0.408 * B)
19200 timing
For 0 < B < 64,
For 0 < B < 14,
For 0 < B < 65,
T = 66.8 ms
T = 8.48 ms
T = 26.9 ms
For B > 63,
For B > 13,
For B > 64,
35.0 ms
(32 byte packet)
9600 baud rate
72.0 ms
16.8 ms
25.6 ms
35.0 ms
(B=number of bytes)
T = 46.27 + (0.73 * B) ms
T = 6.50 + (0.8 * B) ms
T = 1.63 + (0.794 * B)
For B >= 39 bytes,
9600 timing
For 0 < B < 40,
For 0 < B < 14,
For 0 < B < 37,
T = 74.80 ms
T = 16.80 ms
T = 30.2 ms
For B > 13,
For B > 36,
35.0 ms
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