Specifications

Appendix A. DIP SW. Setting ETU01-Plus
34
A.8 Clock Mode Details
CLOCK DIPSW 5 E1 LINE USER DATA PORT
MODE STATE TRANSMIT RECEIVE TRANSMIT
-1 -2 -3 CLOCK CLOCK CLOCK
0
(DCE1)
OFF OFF OFF RECOVERY
RECOVERY
Output to RC
RECOVERY
Output to TC
1
(DCE2)
ON OFF OFF
INTERNAL
OSCILLATOR
INTERNAL
Output to RC
INTERNAL
Output to TC
2
(DTE1)
OFF ON OFF
EXTERNAL
Follows ETC
RECOVERY
Output to RC
EXTERNAL
Input from ETC
3
(DTE2)
ON ON OFF
EXTERNAL
Follows ETC
EXTERNAL
Input from ERC
EXTERNAL
Input from ETC
4
(DTE3)
OFF OFF ON
EXTERNAL
Follows ETC
EXTERNAL
Input from ETC
EXTERNAL
Input from ETC
Table A.8 Clock Mode Details
B.1 ETU01U-Plus All DIP Switch Overview
DIP SW
GROUP
FUNCTION COMMENT
5 Parameter group 1 setting See Table B.2
6 Parameter group 2 setting See Table B.3
Table B.1 All DIP Switch Overview
Note: The ETU01U-Plus operates in unframed mode ONLY. The user data rate is
fixed at 2048K. DIPSW1 to DIPSW4 are not installed on the PCBA. The settings for
DIPSW5 bits 5-8 and DIPSW6 bits 4-5 do not matter.
B.2 DIP SW5 Parameter Group 1 Setting
DIP SW5
NO.
STATE
STATE
FUNCTION COMMENT
OFF OFF OFF Clock mode 0 (DCE1)
ON OFF OFF Clock mode 1 (DCE1)
OFF ON OFF Clock mode 2 (DTE1)
ON ON OFF Clock mode 3 (DTE2)
OFF OFF ON Clock mode 4 (DTE3)
ON OFF ON Reserved
-1,-2,-3
OFF ON ON Reserved
See Table A-9