DP120F/DP125F Circuit Description
7-70
March 2000 © TOSHIBA TEC
• I/OP-1 GA Signal Table
(3/3)
No.
Signal Name
Type
Functions
55, 57
RLADJ11, 2
O
Line 1 return loss adjust control signal
(EU/AU/ASIA models only)
Adjusts the return loss by switching the circuit.
RLADJ11
RLADJ12
LOW
LOW
ASIA
LOW
HIGH
Unused
HIGH
LOW
AU
HIGH
HIGH
CTR21 (EU)
58, 59
HLEB6, 7
-
Unused
62, 63
HSER6, 7
-
Signal ground
64
SYSTEM1
I
Memory PBA detect signal (L: Installed)
Detects the installation status of the Memory PBA
(Option for DP120F).
65
TXALMX
I
TX motor alarm signal (L: High temperature alarm)
Warns that the TX motor is hot.
66
BUCS
I
Backup status detect signal (H: Success, L: Failure)
Detects the backup status of data.
67
FMSTS
I
Flash ROM status signal (H: READY, L: BUSY)
Detects the status of Flash ROM (IC13, IC20).
68
FMSTST2
I
Flash ROM status signal (H: READY, L: BUSY)
Detects the status of Flash ROM (IC21).
69
MDSEL
-
+5V
70
RESETX
I
Reset signal (active-low)
Resets the system.
72
HLEAD
-
Unused
73-75
SPVOL0-2
O
Speaker volume control signal
Controls the volume of the speaker.
76
RING/TONE
O
Ring/tone select signal (H: Ring, L: Tone)
Switches the signal to be monitored.
77
MDM1RESX
O
Line 1 MODEM reset signal (active-low)
Resets the MODEM (IC5).
78
MDM2RESX
O
Line 2 MODEM reset signal (active-low)
Resets the MODEM (IC1) on the MODEM PBA.
79
HCTR6
-
Unused
80
G1HZ
-
Unused
I: Input
O: Output
I/O: Bidirectional
Summary of Contents for DP120F
Page 1: ...PLAINPAPERFACSIMILE File No 31200001 R0112216901 TTEC ...
Page 401: ...DP120F DP125F Circuit Description 7 92 March 2000 TOSHIBA TEC 07 05 00 Fig 7 5 1 ...
Page 656: ...DP120F DP125F Troubleshooting 11 44 March 2000 TOSHIBA TEC ...
Page 700: ...DP120F DP125F Appendix 12 2 March 2000 TOSHIBA TEC 1 2 Error Count List ...
Page 701: ...March 2000 TOSHIBA TEC 12 3 DP120F DP125F Appendix 1 3 Function List for Maintenance ...
Page 702: ...DP120F DP125F Appendix 12 4 March 2000 TOSHIBA TEC 1 4 Drum Unit ...
Page 703: ...March 2000 TOSHIBA TEC 12 5 DP120F DP125F Appendix 1 5 Memory Dump List ...
Page 706: ...SHUWA SHIBA PARK BLDG A 2 4 1 SHIBA KOEN MINATO KU TOKYO 105 8524 JAPAN ...