DDA-4320 & ZDA-4320RH Instruction Book
Revision 7
www.irtelectronics.com
Page 2 of 16
4320-DDA_ib_Rev7.doc
IRT Eurocard
Type DDA-4320
ASI / SDI / STM-1 Path Protection and Distribution Amplifier
&
ZDA-4320RH
Handshake changeover assembly
Revision History
Revision
Date
By
Change Description
Applicable to:
0
25/01/2010
AL
Original Issue.
Firmware version
F3V3 S3V2
S/N: 0912001-0912016
1
22/02/2010
AL
Number of outputs reduced to 4 and AIS detection
LED added to front panel.
Firmware version
F3V3 S3V2
S/N: ≥ 0912017
2
26/05/2010
AL
SW3-7 DIP switch setting (invert signal) added.
Extra states in SNMP signal status added and
re-ordered.
Firmware version
F3V4 S3V3
S/N: ≥ 0912017
3
04/08/2010
AL
SNMP functions added and changed. Socket number
designators (SKx) added to inputs and outputs.
Firmware version
DDA4320 F4V0 S4V0
S/N: ≥ 0912017
4
01/09/2010
AL
Alarm conditions changed. SNMP parameters
changed.
Firmware versions
DDA4320 F4aV1 S4V1
applicable to S/N: ≤ 0912030
& DDA4320 F4V1 S4V1
applicable to S/N ≥ 1009001
5
24/09/2010
AL
DIP switch settings changed. Extra data states added.
SNMP descriptors changed to match MIB 4.4.
Firmware versions
DDA4320 F4aV2 S4V2
applicable to S/N: ≤ 0912030
& DDA4320 F4V2 S4V2
applicable to S/N ≥ 1009001
6
01/11/2010
AL
Switch SW3-6 operation reversed. External alarm
information changed to include AIS detected in STM-1
data. Output 6 socket designator corrected to SK8.
Firmware versions
DDA4320 F4aV6 S4V4
applicable to S/N: ≤ 0912030
& DDA4320 F4V6 S4V4
applicable to S/N ≥ 1009001
7
15/11/2010
AL
Pin numbers added to Alarm descriptor in
specifications section and input alarm descriptor
updated to include power loss to the module.
SW3-7 descriptor in configuration section modified for
better user understanding.
Firmware versions
DDA4320 F4aV6 S4V4
applicable to S/N: ≤ 0912030
& DDA4320 F4V6 S4V4
applicable to S/N ≥ 1009001