YOKOGAWA GRVSW-660FA, Technical Information

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2. Hardware Specifications
2-2
TI 30A10A30-01E
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Device status LEDs
Four device status LED functions are as shown below.
Table Device status LED function (RS40 Family)
LED name Reaction Device status
P (Power)
ON (Green) Normal operation
ON (Yellow) P1 or P2 power fail
OFF All power fail
FAULT
ON (Red) Detect device status error (*1)
OFF Normal operation
RM (Ring Manager) (*2)
ON (Green) Ring normal
ON (Yellow) Ring error
OFF Ring function not active
Flash During ACA accessing
Stand by
OFF Normal (Stand-by mode not enabled)
Flash During ACA accessing
*1: FAULT LED glows in red when FAULT output pins become open. (The default status as delivered from the factory.)
*2: These LEDs become functional when using ring network technology supported by the network switch vender.

DIP switch
This DIP switch defines HIPER-Ring operating priority.
Refrain from changing this DIP switch setting from the default.
The default setting is “RM = ON” and “Stand by = ON.”

USB interface
An ACA is connected with the Recommended Switch via USB interface.

V.24 interface
V.24 interface is used to connect to a computer with terminal cable.

RJ-45 port
RJ-45 port connects Vnet/IP stations or equipment with UTP cable. Ports 1 to 4 are for dual
purpose (RJ45/SFP) combo port.
The combo port will select SFP interface automatically when an SFP module is installed.

SFP port
SFP port has a plug-in slot for an SFP module.
Plug an SFP module into the slot to use Vnet/IP optical connection.
The SFP port is for dual purpose (RJ45/SFP) combo port.
The combo port will select SFP interface automatically when an SFP module is installed.

Port status LED
Port status LED glows in green during linkup and it flashes while receiving data.
Dec. 26, 2016-00