Nortel Networks Passport 4400 User Manual
Page 121
Cable Diagram Pin Assignments
Passport 4400 Hardware Installation Manual
A-5
Figure A-2. Cable Model No. NTAU30AA - 4400 to Passport DCE (V.35)
Direct Connect to Passport Switch Fanout Panel
DB-15
Male
MD50
Male
NC
NC
Receive Data A
20
4
Receive Data A (RXDA)
Receive Data B
45
11
Receive Data B (RXDB)
Transmit Data Clock A
21
14
Transmit Signal Element Timing A (TSETA)
Transmit Data Cloci B
46
7
Transmit Signal Element Timing B (TSETB
Receive Data Clock A
22
10
Receive Signal Element Timing A (TSETA)
Receive Data Clock B
47
3
Receive Signal Element Timing B (TSETB)
Transmit Data A
3
2
Transmit Data A (TXDA)
Transmit Data B
28
9
Transmit Data B (TXDB)
External Transmit Data Clock A
5
13
Transmit Signal Element Timing (DTE) A
External Transmit Data Clock B
30
6
Transmit Signal Element Timing (DTE) A
Request to Send (RTS)
12
5
Request to Send (RTS)
Clear to Send (CTS)
9
12
Ready for Signal (RFS)
Data Set Ready A (DSR A)
10
1
Data Set Ready (DSR)
Carrier Detect A (CD A)
11
15
Carrier Detect (CD)
Ground
43
8
Return
Cable Present Status
14
Ground
39
External Select B EXTSELB
2
Ground
27
V.35G1
23
Ground
48
V.35G2
24
Ground
49
V.35G3
25
Ground
50
To 4400
WAN V.35
(DTE)
To Data Communication
Equipment (DCE)
Passport