TOSHIBA
17
UPS Connections
Communication Interface (Cont'd)
RS-232C Interface Communication Specifications
The RS-232C serial communication specifications are shown below:
1) Communication system half-duplex communication system (serial
transmission)
2) Connection control system centralized control, polling/selecting system
3) Transmission speed 1200/2400/4800/9600 baud
4) Synchronization method start-stop synchronization
5) Transmission code JIS X 0201,7bits (ANSI)
6) Error detection vertical parity check, even (VRC)
longitudinal parity check, even (LRC)
7) Error correction None
8) Response monitoring None
9) Transmission character format 10 bits
10) Bit sending order low-order bits first
11) Frame length (information message) variable length
General
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Display &
SNMP
The Simple Network Management Protocol (SNMP) communication interface is available as an option.
The Toshiba SNMP card slides into the SNMP port located on the back side of the UPS (see page 44
for SNMP port location). This optional interface allows the UPS to be monitored across the network
via SNMP to a Network Management Station (NMS). The following diagram shows the flow of the
Network Management Station.
Network
Management
Station
Toshiba UPS
Network Communication through Ethernet
Note:
The UPS communication mode setting must be set to SNMP mode when using the SNMP option
card (See Comm Mode variable in the 'Data Setting Screens' on page 30 and 32).
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