Patton electronic 3088 Series S2-6 DTE Loops RocketLink-G models 3088/CA only, S2-6 Setting

Model 3088 Series User Manual 2 • Configuration

X.21 operation. There are a few things to note about clock modes and X.21 operation.

-One X.21 modem must be set to Receive-Recover.The other X.21 modem must be set to either Internal or External/Network clock mode.

-The X.21 modem that is configured as Receive-Recovermust be DCE.

-The X.21 modem that is configured as Internal must also be DCE, but if it is an External/Network clock, then the modem must be configured as DTE.

Table 10. X.21 Clocking

	CPE-Side Modem	CO-Side Modem
Modem’s	Receive-Recover	Internal	External/Network
X.21	DCE	DCE	x
Orientation
	DCE	x	DTE

S2-6: DTE Loops (RocketLink-G models 3088/CA only)

The V.35 interface provides two pins, one to request an LAL and the other to request an RDL. If DTE loops are enabled, the 3088/CA will start a local loopback or a remote loopback when these pins are asserted. If DTE loops are disabled, these requests will be ignored.

Table 11. S2-6 V.35 Loopback settings

S2-6	Setting
ON	Enabled
OFF	Disabled

Introduction 28