Hitachi GR2000 Series Installation Manual page 265

Connecting GR2000 to certain devices on the ATM interface sometimes require
specific setting of configuration definition options on the own router and the othe
devices. For the configuration definition operation on GR2000, see Subsection 3.
in Configuration Guide.
4.6.2.1 ATM Connection with Hitachi NP200 and NP220
Table 4-81 shows the required settings for the ATM connection with Hitachi NP2
and NP220.
Table 4-81 ATM Configuration Definition Settings Required with NP200 and NP220
Connection
Type
OC-3c/STM-1
carrier/ISP
Required Setting on GR2000
Com- Parameter
mand
line -clock
-frame_format
Required Setting on Target Device
Option Category Parameter
external ATM line
(default)
sdh_idle ATM line
(default)
Option
Clock Source External
Frame Format ITU-T