82
Communications Parameters for LonWorks Routers
Communications Parameters
Table 14
,
Table 15
on page 83,
Table 16
on page 85, and
Table 17
on page 86
together list the communications parameters for L
ON
W
ORKS
routers.
Table 14
. Communications Parameters, Part 1
Parameter
TP/XF-78
TP/XF-1250
TP/FT-10
TP/RS485-39
Transceiver ID
1 (0x01)
3 (0x03)
4 (0x04)
5 (0x5)
Media
Isolated
Twisted Pair
Isolated
Twisted Pair
Free Topology
or Link Power
EIA-485
Twisted Pair
Neuron Chip to
Transceiver Interface
Differential
Differential
Single Ended Single Ended
Interface Bit Rate
78 kbps
1.25 Mbps
78 kbps
39 kbps
Input Clock
10 MHz
10 MHz
10 MHz
10 MHz
Minimum Clock
Configurable;
default = 5
MHz
Configurable;
default = 10
MHz
Configurable;
default = 5
MHz
Configurable;
default = 5
MHz
Number of Priority Slots
Configurable;
default = 4
slots
Configurable;
default = 16
slots
Configurable;
default = 4
slots
Configurable;
default = 4
slots
Average Packet Size
Configurable;
default = 15
bytes
Configurable;
default = 15
bytes
Configurable;
default = 15
bytes
Configurable;
default = 15
bytes
Oscillator Accuracy
200 ppm
200 ppm
200 ppm
200 ppm
Oscillator Wakeup
0 µsec
0 µsec
0 µsec
0 µsec
Collision Detect (CD)
No
No
No
No
CD Term after Preamble N/A
N/A
N/A
N/A
CD through Packet End
N/A
N/A
N/A
N/A
Bit Sync Threshold
5 bits
7 bits
4 bits
4 bits
Hysteresis
2
0
N/A
N/A
Filter
1
0
N/A
N/A
Network Bit Rate
78 kbps
1.25 Mbps
78 kbps
39 kbps
Summary of Contents for 14315R
Page 1: ...LONWORKS Router User s Guide 078 0018 01E...
Page 6: ......
Page 9: ...Appendix A Communications Parameters for LonWorks Routers 81 Communications Parameters 82...
Page 10: ......
Page 48: ......
Page 53: ...LonWorks Router User s Guide 43 Figure 22 Router 5000 Mechanical Specifications...
Page 54: ......
Page 57: ...LonWorks Router User s Guide 47 Figure 23 RTR 10 Motherboard Example Schematic...
Page 61: ...LonWorks Router User s Guide 51 Figure 26 Router 5000 Motherboard Example Schematic Core...
Page 62: ...52 Developing a LonWorks Router Figure 27 Router 5000 Motherboard Example Schematic Network...
Page 68: ......
Page 80: ......
Page 99: ...www echelon com...
