NEC Univerge SV9100 System Hardware Manual page 284

4-34
4.1.1 Description
The GCD-8DLCA and the GCD-16DLCA are both discussed in this section.
Any differences between the two are noted. These blades provide:
8 (GCD-8DLCA) OR 16 (GCD-16DLCA) digital extension circuits

(used for digital telephones, DSS consoles, SLT(1)-U( ) ADP,
PGD(2)-U10 ADP adapters)
These ports provide -48V feeding.

Two blade status LEDs – One Live LED, One Busy/Idle LED

Refer to the following tables for maximum upgrade capacities of the
GCD-8DLCA/GCD-16DLCA ESIU blades:
Table 2-6 SV9100 Maximum 9.5" Gateway and 19" System

Capacities – Blades on page 2-12
Table 2-7 SV9100 Maximum 9.5" Base and Expansion System

Capacities – Blades on page 2-14
4.1.2 Installation
The GCD-8DLCA/GCD-16DLCA blade can be installed in any universal slot
in the system and up to a maximum of 23 DLCA blades can be installed per
system, providing up to 368 digital ports.
To install the GPZ-8DLCB
1. If installing the GCD-8DLCA and the GPZ-8DLCB daughter board is
to be attached, do it now. Refer to
2. Each CNx01 connector (CN101, CN201, CN301, CN401) is used to
connect up to four digital extensions.
4.1.3 LED Indications
LEDs for the GCD-8DLCA
GCD-8DLCA/GCD-16DLCA LED Indications on page
listed with its associated function and LED and Operational status.
Refer to Figure 4-14 GCD-8DLCA/GCD-16DLCA Blade on page 4-33
the location of the LEDs on the blades.
GCD-16DLCA:
/
4.2.2 Installation on page
GCD-16DLCA are described in
/
Issue 3.0
4-38.
Table 4-13
4-35. Each LED is
for
Installing the SV9100 Blades