Patton electronic 3060/V24 manual SW21-4 SW21-5 SW21-6 Source Master

PATTON ELECTRONICS CO. 3060/V24 INSTALLATION AND OPERATIONS MANUAL

102001UA

Fallback Clock Enable (SW-23-5)

If Clock Fallback is required when the primary clock fails, set switch SW23-5 to OFF. If Fallback is not required set SW23-5 to ON. The Fallback clock rate is selected with the internal baud rate option. When the Fallback is activated the FBC LED will illuminate.

Fallback Clocking From Sub-Channel 6 (SW22-4,5,6)

To use the Sub-Channel 6 RX Clock as the Fallback clock set SW22-4, 5 and 6 to OFF. Any other position will select some internal clock rate as called out in the Internal Clock Rate selection section.

Fallback Mode Selection (SW23-6)

If Fallback is required, two modes are available via switch SW23-6. To Fallback when the transitions from the primary clock source stop, set SW23-6 to ON. To Fallback when DCD on Sub-Channel 1 becomes inactive, set SW23-6 to OFF.

NOTE: Both TX and RX Clock Source Select MUST Be Set !!!!

TX Clock Source Selection (SW21-4,5,6)

TX Clock Source is selected by switch SW21-4, 5 and 6. The following table indicates the source options provided by the 3060/V24 (CTS MD-V.24/TCB). When using the unit in Async Mode, the INTERNAL clock source must be selected.

SW21-4 SW21-5 SW21-6 Source

ON	ON	ON	Master
OFF	ON	ON	Port 1
ON	OFF	ON	Port 2
OFF	OFF	ON	Port 3
ON	ON	OFF	Port 4
OFF	ON	OFF	Port 5
ON	OFF	OFF	Port 6
OFF	OFF	OFF	Internal

TX Clock Pin Selection (SW21-7)

The primary transmit clock can be derived from either pin 15 or 24. If pin 15 is to be the source for primary TX Clock, set SW21-7 to ON. If pin 24 is to be the source for primary TX & RX Clock, set SW21-7 to OFF.

2-5 SETUP & INSTALLATION