* The input clock rate is 10MHz for these transceivers on the Model 61000 RTR-10 Router Core Module;
the input clock rate is 5MHz for these transceivers on the Model 71000 L
ON
W
ORKS
Router.
L
ON
W
ORKS
Router User’s Guide
A-5
Parameter
T P / R S 4 8 5 -
6 2 5
T P / R S 4 8 5 -
1 2 5 0
T P / R S 4 8 5 - 7 8
Transceiver ID
10 (0A hex)
11 (0B hex)
12 (0C hex)
Media
RS-485 Twisted
Pair
RS-485 Twisted
Pair
RS-485 Twisted Pair
Neuron Chip to Transceiver
Interface
Single-Ended
Single-Ended
Single-Ended
Interface Bit Rate
625kbps
1.25Mbps
78kbps
Input Clock
10MHz
10MHz
10MHz
Minimum Clock
Configurable;
default = 5MHz
Configurable;
default = 5MHz
Configurable;
default = 5MHz
Number of Priority Slots
Configurable;
default = 4 slots
Configurable;
default = 16 slots
Configurable;
default = 4 slots
Average Packet Size
Configurable;
default =
15 bytes
Configurable;
default =
15 bytes
Configurable;
default = 15 bytes
Oscillator Accuracy
200ppm
200ppm
200ppm
Oscillator Wakeup
0
µ
sec
0
µ
sec
0
µ
sec
Collision Detect (CD)
No
No
No
CD Term after Preamble
N/A
N/A
N/A
CD Through Packet End
N/A
N/A
N/A
Bit Sync Threshold
4 bits
4 bits
4 bits
Hysteresis
N/A
N/A
N/A
Filter
N/A
N/A
N/A
Network Bit Rate
625kbps
1.25Mbps
78kbps
Alternate Rate
N/A
N/A
N/A
Wakeup Pin Direction
N/A
N/A
N/A
XCVR Controls Preamble
N/A
N/A
N/A
General Purpose Data
N/A
N/A
N/A
Allow Node Override
N/A
N/A
N/A
Receive Start Delay
2.0 bits
2.0 bits
2.0 bits
Receive End Delay
0.0 bits
0.0 bits
0.0 bits
Indeterminate Time
4.0 bits
4.0 bits
4.0 bits
Min. Interpacket Time
0.0 bits
0.0 bits
0.0 bits
Turnaround Time
0
µ
sec
0
µ
sec
0
µ
sec
Missed Preamble
1.0 bit
1.0 bit
1.0 bit
Preamble Length
N/A
N/A
N/A
Use Raw Data
No
No
No
Summary of Contents for LONWORKS
Page 34: ......