Link Layer; Application Layer; Transmission Mode For Application Data; Common Address Of Asdu - GE 345 Communications Manual

CHAPTER 1: COMMUNICATIONS GUIDE

Link layer

Application layer

Transmission mode
for application data
Common address of
ASDU
Selection of standard
information numbers
in monitor direction
345 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
Optical interface
□
Glass fibre
□
Plastic fibre
□
F-SMA type connector
□
BFOC/2,5 type connector
Transmission speed
⊠?
⊠?
There are no choices for the Link Layer.
Mode 1 (least significant octet first), is used exclusively in this companion standard.
⊠
One COMMON ADDRESS OF ASDU (identical with station address)
More than one COMMON ADDRESS OF ASDU
Table 5: System functions in monitor direction
INF
⊠
<0>
⊠
<0>
⊠
<2>
⊠
<3>
⊠
<4>
⊠
<5>
9600 bits/s
19200 bits/s
Semantics
End of general interrogation
Time synchronization
Reset FCB
Reset CU
Start/restart
Power on
RS485 INTERFACE
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