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Chapter 2 ECM Interface Specifications
Electrical Connector Card Interface Specifications
Release TR3.2.1
Turin Networks
Page 2-17
Electrical
Connector
Card Interface
Specifications
The following table provides the number of port connections per ECM across
protection schemes, ECM connectors, and cable specifications for each type of ECM.
The total number of port connections per ECM is based on like cards placed adjacently
in the shelf.
Table 2-8 Electrical Connector Card Specifications
ECM Type
(Card Type)
Total # of Port Connections per ECM
Type of ECM
Connectors
Cable Description
1:2
Equipment
Protection
1:1
Equipment
Protection
Unprotected
DS1/E1
(28-port DS1)
56
28
56
(4) female
Telco 64
(CHAMP)
Copper 32-pair cable, 24 AWG,
with 180º male Telco 64
connector
DS1/E1
(21-port E1)
42
21
42
E1, 3-slot, Mini-SMB
(21-port E1)
42
21
42
(84) female
75 ohm
Mini-SMB
Coax, AT&T 735A equivalent,
with male Mini-SMB
connector
DS3/E3, 2-slot
(12-port DS3/E3)
N/A
12
12
(24) female
75 ohm BNC
Coax, AT&T 734A or 735A
equivalent, with male BNC
connector
DS3/E3, 3-slot, BNC
(12-port DS3/E3)
24
12
24
(48) female
75 ohm BNC
Coax, AT&T 734A or 735A
equivalent, with male BNC
connector
DS3/E3, 3-slot,
Mini-SMB
(24-port DS3/E3;
UTMX-24;
UTMX-48
1
)
48
24
48
(96) female
75 ohm
Mini-SMB
Coax, AT&T 735A equivalent,
with male Mini-SMB
connector
Ethernet
Protection
(NGE, NGE Plus,
EoPDH)
N/A
16–18
16–18
(2) female
Telco 50
(Centronics)
Copper, 25-pair category 5
cable, with 180º male Telco 50
connector
10/100BaseT
(NGE, NGE Plus,
EoPDH)
N/A
N/A
32–36
(4) female
Telco 50
(Centronics)
Copper, 25-pair category 5
cable, with 180º male Telco 50
connector
1
Of the 48 ports on the UTMX-48 module, the first 24 ports (1 through 24) can be used as electrical or optical (STS1-TMX) ports.
Ports 25 through 48 are optical only.