Nortel Meridian 1 Manual page 181

Table 40
V.35 CCITT signals supported by the MCA (Part 2 of 2)
MCA
V.35
DB-25
CCITT
pin no.
114A 15
104B 16
115A 17
— 18/19
108.2 20
— 21
125 22
113B 23
113A 24
— 25
* Pin 1 is connected to the MCDS shelf frame.
Note:
** These leads are ignored by the MCA controller.
Adaptor cable
Abbr.
DB-25
Pin No.
SCTA 15
RDB 16
SCRA 17
— 18/19
DTR 20
— 21
RI 22
SCTEB 23
SCTEA 24
— 25
Add-on modules
Signal
Source
V.35
DTE MCA
Pin No.
Y
T
V
M/HH
H X
EE
J
W X
U X
MM X
Telephone and attendant console installation
Page 169 of 224
Description
X Serial clock transmit A
X Receive data B
X Serial clock receive A
No connection
Data terminal ready
No connection
X Ring indicator
Tran sign elemt time B
Tran sign elemt time A
**