QR-2
QR.1.1 Selecting The Ring Speed
Use jumper P1 to select the MCC-FRIO ring speed, as shown in the table.
QR.1.2 Selecting The Fiber Keying Type
The type of fiber key used depends on the device with which the port will
connect.
Ring Speed Setting Put Jumper P1 Sleeve Over
16 Mbps Pins 1 and 2 (Default setting)
4 Mbps Pins 2 and 3
NOTE
Cabletron Systems offers complete compatibility with vendor
products that comply with the “new” 802.5J standard for fiber
RI/RO ports. Therefore, the MCC-FRIO offers connectivity to
products using 802.5J or Cabletron Systems fiber keying.
Port
Fiber Keying Type
Configuration
SW1
Switch Settings
SW2
Switch Settings
RI
Connect to a RO port that is
using Cabletron fiber keyi
ng.
1– On
(Default setting)
Not applicable
Connect to a RO port that is
using 802.5J fiber keying.
1– Off
RO
Connect to a RI port that is
using Cabletron fiber keying.
Not applicable
1– On
(Default setting)
Connect to a RI port that is
using 802.5J fiber keying.
1– Off