Nortel Passport 4400 Series Hardware Installation Manual page 121

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