ACCULINK 3163 DSU/CSU
D-12 March 1999 3163-A2-GB20-10
Table D-7
X.21 Cable Interface
Signal CCITT
Number Direction Pin
Signal Common 102 — 8
Transmitted Data 103 To DSU/CSU 2 (A)
9 (B)
Received Data 104 From DSU/CSU 4 (A)
11 (B)
Request-to-Send 105 To DSU/CSU 3 (A)
10 (B)
Data Channel Received Line Signal Detector 109 From DSU/CSU 5 (A)
12 (B)
Transmit Signal Element Timing (DTE Source) 113 To DSU/CSU 7 (A)
14 (B)
Receiver Signal Element Timing (DCE Source) 115 From DSU/CSU 6 (A)
13 (B)