Db15 To Bnc Conversion Cable (Optional) - Motorola McIAS 1610 Series System Manual

2.2.1 DB15 to BNC Conversion Cable (optional)

An optional 75 ohm coaxial conversion cable with female BNC connector is available
for connecting the McIAS to the telco E1 facility. At one end, the cable must be
attached to a DB15F (female) connector on the McIAS backplane and at the other end
to the Cross Connect Point (BNC) at the telco.
One of the McIAS female BNC connectors on the cable is labeled "McIAS Transmit
(1 & 9)"; the other is labeled "McIAS Receive (3 & 11)". Connection must be made
from the McIAS Transmit female connector to the Cross Connect Point BNC male
Receive connector. Connection must also be made from the McIAS Receive female
connector to the Cross Connect Point BNC male Transmit connector.
The table below lists the conversion cable pin connections.
DB15F
(McIAS backplane)
1
9
3
11
DB15 to BNC Conversion Cable Pin Connections
Conversion Cable
BNC (female)
XMIT1
XMIT2
RCV1
RCV2
Table 2-3
5
Cross Connect Point
BNC (male)
Telco Receive
Telco Receive
Telco Transmit
Telco Transmit
Conductor
center
shield
center
shield