Selecting The Ring Speed; Selecting The Fiber Keying Type - Cabletron Systems MCC-16 User Manual

MCC-FRIO SETUP

3.2.1 Selecting The Ring Speed

Use jumper P1 to select the MCC-FRIO ring speed, as shown in
Table 3-1.
Table 3-1 Ring Speed Setting With Jumper P1
Ring Speed Setting
16 Mbps
4 Mbps

3.2.2 Selecting The Fiber Keying Type

The type of fiber key used depends on the device with which the port will
connect. Set the fiber keying types as follows:
Cabletron Systems offers complete compatibility with vendor
NOTE
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.
Use Switch 1 in the SW1 switchblock to select the fiber keying type for
the RI port.
Set Switch 1 On to connect to a RO port that is using Cabletron fiber
•
keying.
Set Switch 1 Off to connect to a RO port that is using 802.5J fiber
•
keying.
Use Switch 1 in the SW2 switchblock to select the fiber keying type for
the RO port.
Set Switch 1 On to connect to a RI port that is using Cabletron fiber
•
keying.
Set Switch 1 Off to connect to a RI port that is using 802.5J fiber
•
keying.
3-4
Put Jumper P1 Sleeve Over
Pins 1 and 2 (Default setting)
Pins 2 and 3