Verilink FrameStart FSD (34-00291.F) Product Manual - Manual (Page 20)

14 F r a m e S t a r t D D S C S U / D S U a n d T 1 C S U / D S U a n d F r a m e S t a r t F S E
receive signal level to
−
30 decibels for T1 systems and
−
43 decibels for E1
systems.
Receive Levels
Receive levels from the network for the Verilink FSx units are listed in Table
2.3.
RJ-48C Network Connector
The network connector interface is an RJ-48C with the pinout shown in Table
2.4 below.
BNC Network Connectors
These BNC (Bayonet-Neill-Concelman) network connectors are 75
Ω
Transmit towards the network and 75
Ω
Receive from the network.
T1 Network Disconnection
In accordance with FCC Rules, Part 68.218 (b), the telephone company must
be notified before disconnecting the T1 CSU/DSU.
Power
Connect the appropriate power supply (Figure 2.3) to the unit, then connect
the wall plug to the appropriate outlet. This applies power to the unit.
Table 2.3 Receive Levels
FSx Unit Maximum Minimum
DDS CSU/
DSU
0 -30 dB
T1 CSU/DSU 0 -40 dB
FrameStart
FSE
0 -43 dB
Table 2.4 Network Connector Pinout
Pin NET
1 R1 (ring, receive from
network)
2 T1 (tip, receive from network)
4 R (ring, transmit to network)
5 T (tip, transmit to network)
3, 6–
8
not used