ADC ETU-751C - Manual (Page 76)

Reference Information 700-701-100-02
66 August 9, 2002 UTU-701 and ETU-751 List 1
ECA-801 C
ONNECTOR
A
DAPTER
(DB25M
TO
DB15F
FOR
X.21)
The ECA-801 connector adapter ( Figure 46 ) converts the DB25F data port connector on the desktop unit rear
panel to a standard X.21 15-pin female connector. Table 37 lists the ECA-801 pinouts.
Figure 46. ECA-801 D25M to DB15F (X.21) Connector Adapter, Part Number 150-1470-01
ECA-802 C
ONNECTOR
A
DAPTER
(DB9M
TO
RJ-45)
The ECA-802 connector adapter ( Figure 47 ) converts the DB9F HDSL line connector on the desktop unit rear
panel to an RJ-45 modular style connector. Table 38 lists the ECA-802 pinouts.
Table 37. ECA-801 DB25M to DB15F (X.21) Connector Adapter Pinouts
DB25M Connector DB15F (X.21) Connector
Signal Pin Pin Signal
Send Data A 2 2 Send Data A
Send Data B 14 9 Send Data B
Receive Data A 3 4 Receive Data A
Receive Data B 16 11 Receive Data B
Request to Send A 4 3 Control A
Request to Send B 19 10 Control B
Signal Ground 7 8 Signal Ground
Receive Line Signal Detect A 8 5 Indication A
Receive Line Signal Detect B 10 12 Indication B
Receive Timing A 17 6 Signal Element Timing A
Receive Timing B 9 13 Signal Element Timing B
Terminal Timing A 24 1 DTE Signal Element Timing A
Terminal Timing B 11 15 DTE Signal Element Timing A
1
9
14
1
25
8
13
15